Activiti: Getting Variables from graphql

Created on 20 Apr 2019  路  15Comments  路  Source: Activiti/Activiti

Sirs
I have tried searching in the forum for my kinda error. Sorry if this is a repeat.

I'm using 7.0.0.SR1 Runtime Bundle. With latest activiti/activiti-cloud-notifications-graphql:7.1.58.

Here is my query:

query {
  ProcessInstances(where: {
    OR: {
      status: { IN: RUNNING }
    }
  }) {
    select {
      id
      status
      variables{
        name
        value
      }
    }
  }
}

I managed to get:

{
    "data": {
        "ProcessInstances": {
            "select": [
                {
                    "id": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                    "status": "RUNNING",
                    "variables": []
                },
                {
                    "id": "818996f2-6342-11e9-89c8-0242ac13001e",
                    "status": "RUNNING",
                    "variables": []
                },
                {
                    "id": "8b2c0563-6342-11e9-89c8-0242ac13001e",
                    "status": "RUNNING",
                    "variables": []
                }
            ]
        }
    }
}

How can I get the variables values and names from graphql?
Using the JPA query service REST API, I managed to get all of them. But I have to iterate per process instance id in order to get all the variables.

Regards

question feedback-required

Most helpful comment

@igdianov Thanks you very much! It works now! Thank you for your patience!

{
    "data": {
        "ProcessInstances": {
            "select": [
                {
                    "id": "c41b8b54-665a-11e9-bf61-0242ac13000c",
                    "status": "RUNNING",
                    "variables": [
                        {
                            "name": "logsource",
                            "value": "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1207]"
                        },
                        {
                            "name": "database",
                            "value": "myapplication_lbu"
                        },
                        {
                            "name": "formcode",
                            "value": "F0020"
                        },
                        {
                            "name": "databefore",
                            "value": {
                                "ymd": "2019-03-21T00:00:00Z",
                                "ass_lblty_off_flg": "3",
                                "off_cd": "441",
                                "gl_acct": "1",
                                "br_cd": "100",
                                "bi_br_cd": "032",
                                "bi_acct_tp": "015",
                                "bi_curr_cd": "AED",
                                "prev_mth_bal": 1,
                                "mtd_dbt_amt": 1,
                                "mtd_cdt_amt": 1,
                                "mtd_oth_amt": 1,
                                "bal": 1,
                                "int_rt": 100,
                                "adj_flag": "M",
                                "acc_no": "1",
                                "pkid": 15041,
                                "valid_flg": "O"
                            }
                        },
                        {
                            "name": "querytype",
                            "value": "update"
                        },
                        {
                            "name": "logmessage",
                            "value": "Successfull PUT /myapplication/oracle/update/F0020/S/myapplication_lbu/tbls_interoffice_common_table/15041/2-464-148-120"
                        },
                        {
                            "name": "approvermailstatus0",
                            "value": "{\"mailok\":true,\"message\":\"org.springframework.mail.javamail.SmartMimeMessage@1fd04275\"}"
                        },
                        {
                            "name": "name",
                            "value": "jobname"
                        },
                        {
                            "name": "dataafter",
                            "value": {
                                "bi_br_cd": "032",
                                "off_cd": "441",
                                "bi_acct_tp": "015",
                                "bi_curr_cd": "AED",
                                "int_rt": 100,
                                "prev_mth_bal": 15,
                                "mtd_dbt_amt": 1,
                                "mtd_cdt_amt": 1,
                                "mtd_oth_amt": 1,
                                "bal": 1
                            }
                        },
                        {
                            "name": "approverlist",
                            "value": "{ \"user_id\" : \"fb59f2a0-9bb8-42c0-a2ee-18743f785da7\", \"user_name\" : \"mukhtarharis\", \"user_firstname\" : \"Mukhtar\", \"user_lastname\" : \"Haris\", \"user_email\" : \"[email protected]\", \"user_approvaltype\" : \"singleapprover\", \"approval-list\" : [{ \"user_approve_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_approve_name\" : \"idamluqmana\", \"user_approve_firstname\" : \"Idam\", \"user_approve_lastname\" : \"Luqmana\", \"user_approve_email\" : \"[email protected]\" }], \"branch-list\" : [] }"
                        },
                        {
                            "name": "tablename",
                            "value": "tbls_interoffice_common_table"
                        },
                        {
                            "name": "type",
                            "value": "approval"
                        },
                        {
                            "name": "remotehost",
                            "value": "172.19.0.4"
                        },
                        {
                            "name": "useragent",
                            "value": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36"
                        },
                        {
                            "name": "username",
                            "value": "mukhtarharis"
                        },
                        {
                            "name": "fileimportlink",
                            "value": "na"
                        },
                        {
                            "name": "requestor",
                            "value": "fb59f2a0-9bb8-42c0-a2ee-18743f785da7"
                        },
                        {
                            "name": "moduleid",
                            "value": "LBU"
                        },
                        {
                            "name": "approvaltype",
                            "value": "singleapprover"
                        },
                        {
                            "name": "requestorinfo",
                            "value": "{ \"user_id\" : \"fb59f2a0-9bb8-42c0-a2ee-18743f785da7\", \"user_name\" : \"mukhtarharis\", \"user_firstname\" : \"Mukhtar\", \"user_lastname\" : \"Haris\", \"user_email\" : \"[email protected]\" }"
                        },
                        {
                            "name": "querytoexecute",
                            "value": "update tbls_interoffice_common_table set bi_br_cd='032' , off_cd='441' , bi_acct_tp='015' , bi_curr_cd='AED' , int_rt=100 , prev_mth_bal=15 , mtd_dbt_amt=1 , mtd_cdt_amt=1 , mtd_oth_amt=1 , bal=1 where pkid=15041"
                        },
                        {
                            "name": "formname",
                            "value": "Form-20"
                        }
                    ]
                }
            ]
        }
    }
}

All 15 comments

@alaksmana Thank you for your question. I can help you to troubleshoot. Can you provide more details below?

  1. How do you start the process?

  2. What is the payload?

@igdianov Thank you for helping.

  1. I started by :
runtimeService.startProcessInstanceByKey(job.getString("approvaltype"),
                                                job.getString("type"),//BusinessKey
                                                    job);
  1. The payload is:
job is a mongoDB Document instance. For example:
            Document newJob = new Document();
            newJob.append("name", "jobname");
            newJob.append("type", "approval");
            newJob.append("approvaltype", approvaltype);
            newJob.append("requestor", requestor);
            newJob.append("username", auth.getString("username"));
            newJob.append("databefore", before);
            newJob.append("dataafter", "na");
            newJob.append("querytype", "delete");
            newJob.append("querytoexecute", query);
            newJob.append("fileimportlink", "na");
            newJob.append("database", database);
            newJob.append("useragent", useragent);
            newJob.append("remotehost", remotehost);
            newJob.append("tablename", tabel);
            newJob.append("formcode", formcode);
            newJob.append("formname", form.getString("form_name"));
            newJob.append("moduleid", form.getString("moduleid"));
            newJob.append("logsource", Log.logSource(this.getClass(), Thread.currentThread()));
            newJob.append("logmessage", Log.logMessage(req));

Currently I use REST API /v1/process-instances/{uuid}/variables/ to get the variables and managed to get all variables and their values nicely.

The result is:

{
    "_embedded": {
        "variables": [
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 1,
                "type": "string",
                "name": "name",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.107+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.107+0000",
                "value": "jobname",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/1"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2,
                "type": "string",
                "name": "type",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.107+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.107+0000",
                "value": "approval",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 3,
                "type": "string",
                "name": "approvaltype",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.107+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.107+0000",
                "value": "singleapprover",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/3"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 4,
                "type": "string",
                "name": "requestor",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.107+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.107+0000",
                "value": "2caf29e4-fefb-4715-a4b4-2e55589aa541",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/4"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 5,
                "type": "string",
                "name": "username",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.107+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.107+0000",
                "value": "andrelaksmana",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/5"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 6,
                "type": "json",
                "name": "databefore",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST",
                    "commonname": "XTEST",
                    "commondesc": "XTEST",
                    "commonusage": "XTEST",
                    "pkid": 1144
                },
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/6"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 7,
                "type": "json",
                "name": "dataafter",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST1",
                    "commonname": "XTEST1",
                    "commondesc": "XTEST1",
                    "commonusage": "XTEST1"
                },
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/7"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 8,
                "type": "string",
                "name": "querytype",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": "update",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/8"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 9,
                "type": "string",
                "name": "querytoexecute",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": "update tblm_commoncodeheader set commoncode='XTEST' , moduleid='LBU' , parentcode='XTEST1' , commonname='XTEST1' , commondesc='XTEST1' , commonusage='XTEST1' where pkid=1144",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/9"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 10,
                "type": "string",
                "name": "fileimportlink",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/10"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 11,
                "type": "string",
                "name": "database",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": "application_common",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/11"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 12,
                "type": "string",
                "name": "useragent",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.110+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.110+0000",
                "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/12"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 13,
                "type": "string",
                "name": "remotehost",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "172.19.0.7",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/13"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 14,
                "type": "string",
                "name": "tablename",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "tblm_commoncodeheader",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/14"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 15,
                "type": "string",
                "name": "formcode",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "common",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/15"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 16,
                "type": "string",
                "name": "formname",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "CommonCodeHeader",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/16"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 17,
                "type": "string",
                "name": "moduleid",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "ADMIN",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/17"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 18,
                "type": "string",
                "name": "logsource",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "myapplication.dataapplicationservice.service.DataService [1207]",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/18"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 19,
                "type": "string",
                "name": "logmessage",
                "processInstanceId": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                "createTime": "2019-04-18T13:54:17.111+0000",
                "lastUpdatedTime": "2019-04-18T13:54:17.111+0000",
                "value": "Successfull PUT /application/oracle/update/common/F/application_common/tblm_commoncodeheader/1144/1-986-227",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/19"
                    }
                }
            }
        ]
    },
    "_links": {
        "self": {
            "href": "http://myserver:8884/v1/process-instances/750f8cf1-61e1-11e9-84b3-0242ac130002/variables/?page=0&size=100"
        }
    },
    "page": {
        "size": 100,
        "totalElements": 19,
        "totalPages": 1,
        "number": 0
    }
}

But I really love to use the graphql for performance and simplification of our queries (filter, sorting, etc).

Regards

@alaksmana Thank you for providing details. I have tested GraphQL query with both activiti/activiti-cloud-notifications-graphql:7.0.0.SR1 and activiti/activiti-cloud-notifications-graphql:7.1.58.

If I start the process with POST to http://{{activiti-cloud-gateway}}/{{rb-my-app}}/v1/process-instances and the following payload:

{
  "processDefinitionKey": "SimpleProcess",
  "businessKey" : "8",
  "name": "Simple Process with Task",
  "payloadType":"StartProcessPayload",
  "variables": {
    "customerEntity" : {
        "id": 8,
        "firstName": "John",
        "middleName": "m",
        "lastName": "Doe",
        "accountNumber": "1234",
        "country": "USA",
        "email": "[email protected]"
    }
  }
}

And then run your query from GraphiQL App: http://activiti-cloud-gateway-host/graphiql :

query {
  ProcessInstances(where: {
    OR: {
      status: { IN: RUNNING }
    }
  }) {
    select {
      id
      status
      variables{
        name
        value
      }
    }
  }
}

I get the following response with process variables:

{
  "data": {
    "ProcessInstances": {
      "select": [
        {
          "id": "ffbd6e7d-63d1-11e9-8b15-0a580a08026f",
          "status": "RUNNING",
          "variables": [
            {
              "name": "customerEntity",
              "value": {
                "id": 8,
                "firstName": "John",
                "middleName": "m",
                "lastName": "Doe",
                "accountNumber": "1234",
                "country": "USA",
                "email": "[email protected]"
              }
            }
          ]
        }
      ]
    }
  }
}

Are you converting your Document into Map to invoke runtimeService.startProcessInstanceByKey?

@igdianov. Thanks for your reply.

  1. I did not convert org.bson.Document to Map because Document implements Map interface. I can try convert this.

  2. Another difference is I use the Activiti RuntimeProcess object to start my process when you use the API of the runtime bundle instead of the RuntimeProcess. I can try that as well.

Why I use the above ways of invoking the process start is because I follow the TTC blueprint. But yes I did not use Map. But its working and so far so good. Only the graphql is not coming out with the variables.

I will first try changing Document to Map.
Then If not working I will try start the process using the REST api of runtime bundle instead of the object RuntimeProcess.

Regards

@alaksmana Try to convert your Bson Document to Map first.

Also, you are using Rb Rest Api to get variables from running process instance. But GraphQL uses Query service Posgresql database to get the aggregated data optimized for queries. The Query service aggregates the events from Rb and updates the Postgres query data entities to provide eventual consistency for queries.

Can you check Query service logs and try to use Query Rest Api to retrieve the variables for your process instance:

GET http://{{activiti-cloud-gateway}}/query/v1/process-instances/{{processInstanceId}}/variables

@igdianov. Thank you for your reply.

I use the rb to start process. Approve. And end.
But i actually use the query service to get variables and their values.

I had put the results from query service.
https://github.com/Activiti/Activiti/issues/2710#issuecomment-485195331

@alaksmana I had used runtimeService to start a process with variables and then query them via graphql. My guts feeling is that Bson Document is the problem. Try to start the process via Rest Api to see if it helps

@igdianov I have tried changing from Document to Map. It has the same result.

I use the runtimeService to start the process with Map successfully. And querying them via graphql still returns []. Below is the query and result from graphql:

Query

query {
  ProcessInstances(where: {
    OR: {
      status: { IN: RUNNING }
    }
  }) {
    select {
      id
      status
      variables{
        name
        value
      }
    }
  }
}

Result

{
    "data": {
        "ProcessInstances": {
            "select": [
                {
                    "id": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                    "status": "RUNNING",
                    "variables": []
                },
                {
                    "id": "d2de1855-64cb-11e9-bc10-0242ac130016",
                    "status": "RUNNING",
                    "variables": []
                }
            ]
        }
    }
}

If I use the Query service it returns all variables nicely. Below is the result from Query Service:

{
    "_embedded": {
        "variables": [
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2199,
                "type": "string",
                "name": "useragent",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.049+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.049+0000",
                "value": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2199"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2200,
                "type": "string",
                "name": "formname",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.049+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.049+0000",
                "value": "CommonCodeHeader",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2200"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2201,
                "type": "string",
                "name": "logmessage",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.049+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.049+0000",
                "value": "Successfull DELETE /myapplication/oracle/delete/common/F/myapplication_common/tblm_commoncodeheader/151/1-986-227",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2201"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2202,
                "type": "string",
                "name": "type",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.049+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.049+0000",
                "value": "approval",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2202"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2203,
                "type": "string",
                "name": "logsource",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.049+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.049+0000",
                "value": "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1914]",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2203"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2204,
                "type": "string",
                "name": "requestor",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.050+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.050+0000",
                "value": "16033377-5d7e-44b2-b87b-4ac70617ff42",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2204"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2205,
                "type": "string",
                "name": "database",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.050+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.050+0000",
                "value": "myapplication_common",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2205"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2206,
                "type": "string",
                "name": "formcode",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.050+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.050+0000",
                "value": "common",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2206"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2207,
                "type": "string",
                "name": "approvaltype",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.050+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.050+0000",
                "value": "singleapprover",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2207"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2208,
                "type": "json",
                "name": "databefore",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": {
                    "data": [
                        {
                            "commoncode": "AP013_XX",
                            "countryid": "ID",
                            "moduleid": "LHBU",
                            "commonname": "Upload Form Web Path LHBU",
                            "commondesc": "Upload Form LHBU Web Path",
                            "commonusage": "\\\\150.14.45.206\\airr\\DATAMODEL\\TEXTFILE\\",
                            "type": "S",
                            "formattype": "          ",
                            "createddate": "2012-06-03T00:00:00Z",
                            "pkid": 151
                        }
                    ],
                    "error": "java.lang.NullPointerException"
                },
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2208"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2209,
                "type": "string",
                "name": "remotehost",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "172.19.0.7",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2209"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2210,
                "type": "string",
                "name": "name",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "jobname",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2210"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2211,
                "type": "string",
                "name": "querytoexecute",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "delete from tblm_commoncodeheader where pkid=151",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2211"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2212,
                "type": "string",
                "name": "fileimportlink",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2212"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2213,
                "type": "string",
                "name": "tablename",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "tblm_commoncodeheader",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2213"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2214,
                "type": "string",
                "name": "moduleid",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.053+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.053+0000",
                "value": "ADMIN",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2214"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2215,
                "type": "string",
                "name": "querytype",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.054+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.054+0000",
                "value": "delete",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2215"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2216,
                "type": "string",
                "name": "username",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.054+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.054+0000",
                "value": "idamluqmana",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2216"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2217,
                "type": "string",
                "name": "dataafter",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:56:59.054+0000",
                "lastUpdatedTime": "2019-04-22T06:56:59.054+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2217"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2218,
                "type": "string",
                "name": "approverlist",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:00.515+0000",
                "lastUpdatedTime": "2019-04-22T06:57:00.515+0000",
                "value": "{ \"user_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_name\" : \"idamluqmana\", \"user_firstname\" : \"Idam\", \"user_lastname\" : \"Luqmana\", \"user_email\" : \"[email protected]\", \"user_approvaltype\" : \"singleapprover\", \"approval-list\" : [{ \"user_approve_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_approve_name\" : \"idamluqmana\", \"user_approve_firstname\" : \"Idam\", \"user_approve_lastname\" : \"Luqmana\", \"user_approve_email\" : \"[email protected]\" }], \"branch-list\" : [] }",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2218"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2219,
                "type": "string",
                "name": "requestorinfo",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:00.515+0000",
                "lastUpdatedTime": "2019-04-22T06:57:00.515+0000",
                "value": "{ \"user_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_name\" : \"idamluqmana\", \"user_firstname\" : \"Idam\", \"user_lastname\" : \"Luqmana\", \"user_email\" : \"[email protected]\" }",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2219"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2220,
                "type": "string",
                "name": "approvermailstatus0",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.660+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.660+0000",
                "value": "{\"mailok\":true,\"message\":\"org.springframework.mail.javamail.SmartMimeMessage@10f8ebf8\"}",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2220"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2221,
                "type": "string",
                "name": "approvermailstatus0",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "{\"mailok\":true,\"message\":\"org.springframework.mail.javamail.SmartMimeMessage@10f8ebf8\"}",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2221"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2222,
                "type": "string",
                "name": "useragent",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2222"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2223,
                "type": "string",
                "name": "formname",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "CommonCodeHeader",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2223"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2224,
                "type": "string",
                "name": "logmessage",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "Successfull DELETE /myapplication/oracle/delete/common/F/myapplication_common/tblm_commoncodeheader/151/1-986-227",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2224"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2225,
                "type": "string",
                "name": "type",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "approval",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2225"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2226,
                "type": "string",
                "name": "logsource",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1914]",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2226"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2227,
                "type": "string",
                "name": "requestorinfo",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "{ \"user_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_name\" : \"idamluqmana\", \"user_firstname\" : \"Idam\", \"user_lastname\" : \"Luqmana\", \"user_email\" : \"[email protected]\" }",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2227"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2228,
                "type": "string",
                "name": "requestor",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.665+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.665+0000",
                "value": "16033377-5d7e-44b2-b87b-4ac70617ff42",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2228"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2229,
                "type": "string",
                "name": "approverlist",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.666+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.666+0000",
                "value": "{ \"user_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_name\" : \"idamluqmana\", \"user_firstname\" : \"Idam\", \"user_lastname\" : \"Luqmana\", \"user_email\" : \"[email protected]\", \"user_approvaltype\" : \"singleapprover\", \"approval-list\" : [{ \"user_approve_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_approve_name\" : \"idamluqmana\", \"user_approve_firstname\" : \"Idam\", \"user_approve_lastname\" : \"Luqmana\", \"user_approve_email\" : \"[email protected]\" }], \"branch-list\" : [] }",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2229"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2230,
                "type": "string",
                "name": "database",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.666+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.666+0000",
                "value": "myapplication_common",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2230"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2231,
                "type": "string",
                "name": "formcode",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.666+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.666+0000",
                "value": "common",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2231"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2232,
                "type": "string",
                "name": "remotehost",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.666+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.666+0000",
                "value": "172.19.0.7",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2232"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2233,
                "type": "json",
                "name": "databefore",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": {
                    "data": [
                        {
                            "commoncode": "AP013_XX",
                            "countryid": "ID",
                            "moduleid": "LHBU",
                            "commonname": "Upload Form Web Path LHBU",
                            "commondesc": "Upload Form LHBU Web Path",
                            "commonusage": "\\\\150.14.45.206\\airr\\DATAMODEL\\TEXTFILE\\",
                            "type": "S",
                            "formattype": "          ",
                            "createddate": "2012-06-03T00:00:00Z",
                            "pkid": 151
                        }
                    ],
                    "error": "java.lang.NullPointerException"
                },
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2233"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2234,
                "type": "string",
                "name": "approvaltype",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "singleapprover",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2234"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2235,
                "type": "string",
                "name": "querytoexecute",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "delete from tblm_commoncodeheader where pkid=151",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2235"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2236,
                "type": "string",
                "name": "name",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "jobname",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2236"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2237,
                "type": "string",
                "name": "fileimportlink",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2237"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2238,
                "type": "string",
                "name": "tablename",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "tblm_commoncodeheader",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2238"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2239,
                "type": "string",
                "name": "moduleid",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "ADMIN",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2239"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2240,
                "type": "string",
                "name": "querytype",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.667+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.667+0000",
                "value": "delete",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2240"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2241,
                "type": "string",
                "name": "username",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.668+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.668+0000",
                "value": "idamluqmana",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2241"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2242,
                "type": "string",
                "name": "dataafter",
                "processInstanceId": "d2de1855-64cb-11e9-bc10-0242ac130016",
                "taskId": "d637cabf-64cb-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T06:57:04.668+0000",
                "lastUpdatedTime": "2019-04-22T06:57:04.668+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://myserver:8884/v1/variables/2242"
                    }
                }
            }
        ]
    },
    "_links": {
        "self": {
            "href": "http://myserver:8884/v1/process-instances/d2de1855-64cb-11e9-bc10-0242ac130016/variables?page=0&size=100"
        }
    },
    "page": {
        "size": 100,
        "totalElements": 44,
        "totalPages": 1,
        "number": 0
    }
}

@igdianov I just tested using the RB API to start process with below payload:

{
  "processDefinitionKey": "singleapprover",
  "businessKey" : "approval",
  "name": "approval-service",
  "payloadType":"StartProcessPayload",
  "variables": {
    "name" : "jobname",
    "type" : "approval",
    "approvaltype" : "singleapprover",
    "requestor" : "2caf29e4-fefb-4715-a4b4-2e55589aa541",
    "username" : "andrelaksmana",
    "databefore" : {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST",
                    "commonname": "XTEST",
                    "commondesc": "XTEST",
                    "commonusage": "XTEST",
                    "pkid": 1144
                },
    "dataafter" : {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST1",
                    "commonname": "XTEST1",
                    "commondesc": "XTEST1",
                    "commonusage": "XTEST1"
                },
    "querytype" : "update",
    "querytoexecute" : "update tblm_commoncodeheader set commoncode='XTEST' , moduleid='LBU' , parentcode='XTEST1' , commonname='XTEST1' , commondesc='XTEST1' , commonusage='XTEST1' where pkid=1144",
    "fileimportlink" : "na",
    "database" : "myapplication_common",
    "useragent" : "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36",
    "remotehost" : "172.19.0.7",
    "tablename" : "tblm_commoncodeheader",
    "formcode" : "common",
    "formname" : "CommonCodeHeader",
    "moduleid" : "ADMIN",
    "logsource" : "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1207]",
    "logmessage" : "Successfull PUT /myapplication/oracle/update/common/F/myapplication_common/tblm_commoncodeheader/1144/1-986-227"
  }
}

It starts the process instance nicely.

However, when I query with graphql, it still returns [] variables:

{
    "data": {
        "ProcessInstances": {
            "select": [
                {
                    "id": "750f8cf1-61e1-11e9-84b3-0242ac130002",
                    "status": "RUNNING",
                    "variables": []
                },
                {
                    "id": "d80465ff-64d1-11e9-bc10-0242ac130016",
                    "status": "RUNNING",
                    "variables": []
                }
            ]
        }
    }
}

and I can successfully query variables using Query Service:

{
    "_embedded": {
        "variables": [
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2301,
                "type": "string",
                "name": "useragent",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:04.663+0000",
                "lastUpdatedTime": "2019-04-22T07:40:04.663+0000",
                "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2301"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2302,
                "type": "string",
                "name": "formname",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:04.663+0000",
                "lastUpdatedTime": "2019-04-22T07:40:04.663+0000",
                "value": "CommonCodeHeader",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2302"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2303,
                "type": "string",
                "name": "logmessage",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:04.663+0000",
                "lastUpdatedTime": "2019-04-22T07:40:04.663+0000",
                "value": "Successfull PUT /regla/oracle/update/common/F/regla_common/tblm_commoncodeheader/1144/1-986-227",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2303"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2304,
                "type": "string",
                "name": "type",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:04.663+0000",
                "lastUpdatedTime": "2019-04-22T07:40:04.663+0000",
                "value": "approval",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2304"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2305,
                "type": "string",
                "name": "logsource",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:04.663+0000",
                "lastUpdatedTime": "2019-04-22T07:40:04.663+0000",
                "value": "com.emerio.rnd.bali.datareglaservice.service.DataService [1207]",
                "markedAsDeleted": false,
                "taskVariable": false,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2305"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
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                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2333,
                "type": "string",
                "name": "requestorinfo",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": "{ \"user_id\" : \"2caf29e4-fefb-4715-a4b4-2e55589aa541\", \"user_name\" : \"andrelaksmana\", \"user_firstname\" : \"andre\", \"user_lastname\" : \"laksmana\", \"user_email\" : \"[email protected]\" }",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2333"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2334,
                "type": "string",
                "name": "database",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": "regla_common",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2334"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2335,
                "type": "string",
                "name": "formcode",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": "common",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2335"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2336,
                "type": "string",
                "name": "remotehost",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": "172.19.0.7",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2336"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2337,
                "type": "string",
                "name": "approvaltype",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": "singleapprover",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2337"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2338,
                "type": "json",
                "name": "databefore",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.402+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.402+0000",
                "value": {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST",
                    "commonname": "XTEST",
                    "commondesc": "XTEST",
                    "commonusage": "XTEST",
                    "pkid": 1144
                },
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2338"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2339,
                "type": "string",
                "name": "querytoexecute",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "update tblm_commoncodeheader set commoncode='XTEST' , moduleid='LBU' , parentcode='XTEST1' , commonname='XTEST1' , commondesc='XTEST1' , commonusage='XTEST1' where pkid=1144",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2339"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2340,
                "type": "string",
                "name": "name",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "jobname",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2340"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2341,
                "type": "string",
                "name": "fileimportlink",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "na",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2341"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2342,
                "type": "string",
                "name": "moduleid",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "ADMIN",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2342"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2343,
                "type": "string",
                "name": "tablename",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "tblm_commoncodeheader",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2343"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2344,
                "type": "string",
                "name": "querytype",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "update",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2344"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2345,
                "type": "string",
                "name": "username",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": "andrelaksmana",
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2345"
                    }
                }
            },
            {
                "serviceName": "approval-service",
                "serviceFullName": "approval-service",
                "serviceVersion": "",
                "appName": "approval-service",
                "appVersion": "",
                "id": 2346,
                "type": "json",
                "name": "dataafter",
                "processInstanceId": "d80465ff-64d1-11e9-bc10-0242ac130016",
                "taskId": "dca11fbb-64d1-11e9-bc10-0242ac130016",
                "createTime": "2019-04-22T07:40:12.403+0000",
                "lastUpdatedTime": "2019-04-22T07:40:12.403+0000",
                "value": {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST1",
                    "commonname": "XTEST1",
                    "commondesc": "XTEST1",
                    "commonusage": "XTEST1"
                },
                "markedAsDeleted": false,
                "taskVariable": true,
                "_links": {
                    "self": {
                        "href": "http://keycloak:8884/v1/variables/2346"
                    }
                }
            }
        ]
    },
    "_links": {
        "self": {
            "href": "http://keycloak:8884/v1/process-instances/d80465ff-64d1-11e9-bc10-0242ac130016/variables/?page=0&size=100"
        }
    },
    "page": {
        "size": 100,
        "totalElements": 46,
        "totalPages": 1,
        "number": 0
    }
}

@igdianov So the conclusion:

  1. Using the Map still have the problem.
  2. Starting the process with RB API results in the same problem.

Can you help test using below payload?

{
  "processDefinitionKey": "singleapprover",
  "businessKey" : "approval",
  "name": "approval-service",
  "payloadType":"StartProcessPayload",
  "variables": {
    "name" : "jobname",
    "type" : "approval",
    "approvaltype" : "singleapprover",
    "requestor" : "2caf29e4-fefb-4715-a4b4-2e55589aa541",
    "username" : "andrelaksmana",
    "databefore" : {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST",
                    "commonname": "XTEST",
                    "commondesc": "XTEST",
                    "commonusage": "XTEST",
                    "pkid": 1144
                },
    "dataafter" : {
                    "commoncode": "XTEST",
                    "moduleid": "LBU",
                    "parentcode": "XTEST1",
                    "commonname": "XTEST1",
                    "commondesc": "XTEST1",
                    "commonusage": "XTEST1"
                },
    "querytype" : "update",
    "querytoexecute" : "update tblm_commoncodeheader set commoncode='XTEST' , moduleid='LBU' , parentcode='XTEST1' , commonname='XTEST1' , commondesc='XTEST1' , commonusage='XTEST1' where pkid=1144",
    "fileimportlink" : "na",
    "database" : "myapplication_common",
    "useragent" : "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36",
    "remotehost" : "172.19.0.7",
    "tablename" : "tblm_commoncodeheader",
    "formcode" : "common",
    "formname" : "CommonCodeHeader",
    "moduleid" : "ADMIN",
    "logsource" : "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1207]",
    "logmessage" : "Successfull PUT /myapplication/oracle/update/common/F/myapplication_common/tblm_commoncodeheader/1144/1-986-227"
  }
}

@alaksmana I am using Activiti 7.0.0.SR1. I can start the process with your payload:

image

And query variables via GraphQL:

image

What is your K8s environment and what are your versions of Activiti Query, Notifications, and Audit services and dependencies?

@igdianov Thanks for your help. Your graphql looks nice.

Ok here it is. Im using simple Docker (18.09.2 (API: 1.39)) on top of RHEL 7.5, not Kubernetes. Below are the docker-compose related to Activiti:

version: "3"

networks:
  frontend:
  backend:

volumes:
  keycloakdata:
  pgdata:

services:

#START INFRASTRUCTURE
  keycloak:
    image: jboss/keycloak:3.3.0.Final
    ports:
      - "8080:8080"
    networks:
      - backend
    restart: unless-stopped
    environment:
      - KEYCLOAK_USER=admin
      - KEYCLOAK_PASSWORD=admin
    volumes:
      - "keycloakdata:/opt/jboss/keycloak"

  rabbitmq:
    image: activiti/rabbitmq-stomp
    ports:
      - "5672:5672"
      - "15672:15672"
      - "61613:61613"
    networks:
      - backend
    restart: unless-stopped

  activiti-postgres:
    image: postgres
    ports:
      - "5432:5432"
    networks:
      - backend
    environment:
      - POSTGRES_PASSWORD=mypassword
      - POSTGRES_USER=myuser
      - POSTGRES_DB=activitidb
    volumes:
      - "pgdata:/var/lib/postgresql/data"  
    restart: unless-stopped

  activiti-cloud-notifications-graphql:
    image: activiti/activiti-cloud-notifications-graphql:7.1.58
    networks:
      - backend
    ports:
      - "8887:8080"
    links:
      - registry-service
      - activiti-postgres
      - rabbitmq
      - keycloak
    depends_on:
      - registry-service
      - activiti-postgres
      - rabbitmq
      - keycloak
    environment:
      - ACT_CLOUD_CONFIG_SERVER_ENABLED=false
      - SPRING_DATASOURCE_URL=jdbc:postgresql://activiti-postgres:5432/activitidb
      - SPRING_DATASOURCE_USERNAME=myuser
      - SPRING_DATASOURCE_PASSWORD=mypassword
      - SPRING_JPA_DATABASE_PLATFORM=org.hibernate.dialect.PostgreSQLDialect
      - SPRING_JPA_GENERATE_DDL=true
      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
      - ACT_KEYCLOAK_URL=http://keycloak:8080/auth
      - ACT_KEYCLOAK_REALM=activiti
      - ACT_KEYCLOAK_RESOURCE=activiti
      - ACT_KEYCLOAK_SSL_REQUIRED=none
      - ACT_KEYCLOAK_CLIENT=true
      - ACT_KEYCLOAK_ROLES=ACTIVITI_USER
      - ACT_KEYCLOAK_PATTERNS=/*
      - ACT_KEYCLOAK_ADMIN_ROLE=ACTIVITI_ADMIN
      - ACT_KEYCLOAK_PRINCIPAL_ATTRIBUTE=preferred-username
      - ACT_KEYCLOAK_CLIENT_APP=admin-cli
      - ACT_KEYCLOAK_CLIENT_USER=client
      - ACT_KEYCLOAK_CLIENT_PASSWORD=client
      - ACT_RABBITMQ_HOST=rabbitmq
      - ACT_EUREKA_URL=http://registry-service:8761/eureka/
      - ACT_NOTIFICATIONS_GRAPHQL_HOST=activiti-cloud-notifications-graphql
      - ACT_NOTIFICATIONS_GRAPHQL_EUREKA_CLIENT_ENABLED=true


  activiti-cloud-query:
    image: activiti/activiti-cloud-query:latest
    networks:
      - backend
    ports:
      - "8884:8080"
    links:
      - registry-service
      - activiti-postgres
      - rabbitmq
      - keycloak
    depends_on:
      - registry-service
      - activiti-postgres
      - rabbitmq
      - keycloak
    environment:
      - ACT_QUERY_APP_NAME=activiti-cloud-query
      - JAVA_OPTS=-Xmx256m -Xms256m
      - ACT_CLOUD_CONFIG_SERVER_ENABLED=false
      - SPRING_DATASOURCE_URL=jdbc:postgresql://activiti-postgres:5432/activitidb
      - SPRING_DATASOURCE_USERNAME=myuser
      - SPRING_DATASOURCE_PASSWORD=mypassword
      - SPRING_JPA_DATABASE_PLATFORM=org.hibernate.dialect.PostgreSQLDialect
      - SPRING_JPA_GENERATE_DDL=true
      - SPRING_JPA_HIBERNATE_DDL_AUTO=update
      - ACTIVITI_CLOUD_SERVICE_VERSION="0.1"
      - ACTIVITI_CLOUD_APPLICATION_VERSION="0.1"
      - SPRING_ACTIVITI_CLOUD_SERVICES_NOTIFICATIONS_GATEWAY_ENABLED=true
      - SPRING_ACTIVITI_CLOUD_SERVICES_QUERY_GRAPHQL_ENABLED=true
      - SPRING_HATEOAS_USEHALASDEFAULTJSONMEDIATYPE=false
      - ACT_KEYCLOAK_URL=http://keycloak:8080/auth
      - ACT_KEYCLOAK_REALM=activiti
      - ACT_KEYCLOAK_RESOURCE=activiti
      - ACT_KEYCLOAK_SSL_REQUIRED=none
      - ACT_KEYCLOAK_CLIENT=true
      - ACT_KEYCLOAK_USER_ROLE=ACTIVITI_USER
      - ACT_KEYCLOAK_PATTERNS=/v1/*
      - ACT_KEYCLOAK_ADMIN_ROLE=ACTIVITI_ADMIN
      - ACT_KEYCLOAK_PRINCIPAL_ATTRIBUTE=preferred-username
      - ACT_KEYCLOAK_CLIENT_APP=admin-cli
      - ACT_KEYCLOAK_CLIENT_USER=client
      - ACT_KEYCLOAK_CLIENT_PASSWORD=client
      - ACT_RABBITMQ_HOST=rabbitmq
      - ACT_EUREKA_URL=http://registry-service:8761/eureka/
      - ACT_QUERY_HOST=activiti-cloud-query
      - ACT_QUERY_EUREKA_CLIENT_ENABLED=true
    restart: unless-stopped

  # END INFRASTRUCTURE

  approval-service:
    image: our custom image based on RB from 7.0.0.SR1
    ports:
      - "8883:8080"
    links:
      - rabbitmq
      - keycloak
      - activiti-cloud-query
      - registry-service
      - mongodb
      - samba-service
    networks:
      - backend
    depends_on:
      - rabbitmq
      - keycloak
      - activiti-cloud-query
      - registry-service
      - mongodb
      - samba-service
    environment:
      - ACT_RABBITMQ_HOST=rabbitmq
      - BALI_APPROVAL_KEYCLOAK_HOST=http://keycloak:8080
      - BALI_APPROVAL_ACTQUERY_HOST=http://activiti-cloud-query:8080
      - ACT_RB_DB_DRIVER=org.postgresql.Driver
      - ACT_RB_DB_URI=jdbc:postgresql://activiti-postgres:5432/activitidb
      - ACT_RB_DB_USER=myuser
      - ACT_RB_DB_PASS=mypassword
      - ACT_RB_DB_PLATFORM=org.hibernate.dialect.PostgreSQLDialect
      - ACT_RB_GENERATEDDL=true
      - ACT_RB_DDLAUTO=create
      - ACT_KEYCLOAK_URL=http://keycloak:8080/auth
      - BALI_REGISTRY_URL=http://registry-service:8761/eureka/
      - BALI_APPROVAL_SAMBAHOST=samba-service
      - BALI_APPROVAL_SAMBASHAREDFOLDER=public_samba
      - BALI_APPROVAL_FORMCODE=APPROVAL
      - BALI_APPROVAL_SAMBAUSER=
      - BALI_APPROVAL_SAMBAPASSWORD=
      - BALI_APPROVAL_SAMBAPORT=
      - BALI_APPROVAL_SAMBADOMAIN=
      - BALI_DATASERVICE_MONGO_HOST=mongodb
      - BALI_DATASERVICE_FORMATDATE_MONTHYEAR=yyyy-MM
      - BALI_DATASERVICE_FORMATDATE_DAYMONTHYEAR=yyyy-MM-dd
      - BALI_DATASERVICE_TIMEZONE=Asia/Jakarta
      - JAVA_OPTS=-Xmx1024m -Xms128m      
    restart: unless-stopped

Below is my approval-service POM:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.3.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
  <groupId>mycompany</groupId>
  <artifactId>approval-service</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  <name>Approval Service</name>
  <properties>
    <java.version>11</java.version>
    <activiti-cloud-dependencies.version>7.0.0.SR1</activiti-cloud-dependencies.version>
        <spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>
  </properties>

  <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.activiti.cloud.dependencies</groupId>
                <artifactId>activiti-cloud-dependencies</artifactId>
                <version>${activiti-cloud-dependencies.version}</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
        </dependencies>
    </dependencyManagement>

  <dependencies>
    <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    <dependency>
      <groupId>org.activiti.cloud.rb</groupId>
      <artifactId>activiti-cloud-starter-runtime-bundle</artifactId>
    </dependency>
    <dependency>
      <groupId>org.activiti.cloud.common</groupId>
      <artifactId>activiti-cloud-services-tracing</artifactId>
    </dependency>
    <dependency>
      <groupId>org.activiti</groupId>
      <artifactId>activiti-engine</artifactId>
    </dependency>
    <dependency>
      <groupId>org.activiti.cloud.rb</groupId>
      <artifactId>activiti-cloud-services-events</artifactId>
    </dependency>
    <dependency>
      <groupId>javax.xml.bind</groupId>
      <artifactId>jaxb-api</artifactId>
      <version>2.3.0</version>
    </dependency>
    <dependency>
      <groupId>org.postgresql</groupId>
      <artifactId>postgresql</artifactId>
      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.assertj</groupId>
      <artifactId>assertj-core</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-test</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-webflux</artifactId>
        </dependency>
    <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20180813</version>
        </dependency> 
    <dependency>
            <groupId>org.mongodb</groupId>
            <artifactId>mongo-java-driver</artifactId>
            <version>3.10.1</version>
        </dependency>
    <dependency>
            <groupId>jcifs</groupId>
            <artifactId>jcifs</artifactId>
            <version>1.3.17</version>
        </dependency>
  </dependencies>

  <build>
    <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
  </build>

  <repositories>
    <repository>
      <id>activiti-releases</id>
      <name>Activiti Releases</name>
      <url>https://artifacts.alfresco.com/nexus/content/repositories/activiti-releases/</url>
    </repository>
    <repository>
        <id>spring-milestones</id>
        <name>Spring Milestones</name>
        <url>https://repo.spring.io/milestone/</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
  </repositories>
</project>

And my XML for the approval process workflow:

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/processdef">
  <process id="singleapprover" name="singleapprover" isExecutable="true">
    <startEvent id="start"></startEvent>
    <sequenceFlow id="flow1" sourceRef="start" targetRef="serviceTaskCreateRequest"></sequenceFlow>
    <serviceTask id="serviceTaskCreateRequest" name="identity-service: Get Approver" implementation="ApprovalGetApproverList"></serviceTask>
    <sequenceFlow id="flow2" sourceRef="serviceTaskCreateRequest" targetRef="servicetask1"></sequenceFlow>
    <serviceTask id="servicetask1" name="mail-service: Notify Approver" implementation="ApprovalNotifyApprover"></serviceTask>
    <userTask id="usertask1" name="approver: Decide on Approval"></userTask>
    <sequenceFlow id="flow3" sourceRef="servicetask1" targetRef="usertask1"></sequenceFlow>
    <exclusiveGateway id="exclusivegateway1" name="Exclusive Gateway"></exclusiveGateway>
    <sequenceFlow id="flow4" sourceRef="usertask1" targetRef="exclusivegateway1"></sequenceFlow>
    <serviceTask id="servicetask4" name="mail-service: Notify Requestor" implementation="ApprovalNotifyRequestor"></serviceTask>
    <sequenceFlow id="flow8" name="rejected" sourceRef="exclusivegateway1" targetRef="servicetask4">
      <conditionExpression xsi:type="tFormalExpression">${!jobController.isApproved(approved)}</conditionExpression>
    </sequenceFlow>
    <endEvent id="endevent2" name="End"></endEvent>
    <sequenceFlow id="flow9" sourceRef="servicetask4" targetRef="endevent2"></sequenceFlow>
    <exclusiveGateway id="exclusivegateway2" name="Exclusive Gateway"></exclusiveGateway>
    <sequenceFlow id="flow10" name="approved" sourceRef="exclusivegateway1" targetRef="exclusivegateway2">
      <conditionExpression xsi:type="tFormalExpression">${jobController.isApproved(approved)}</conditionExpression>
    </sequenceFlow>
    <serviceTask id="servicetask5" name="data-regla-service: Execute Approved Job" implementation="ApprovalExecuteApprovedJob"></serviceTask>
    <sequenceFlow id="flow11" name="insert/update/delete" sourceRef="exclusivegateway2" targetRef="servicetask5">
      <conditionExpression xsi:type="tFormalExpression">${!jobController.isQuerytypeFileimport(querytype)}</conditionExpression>
    </sequenceFlow>
    <serviceTask id="servicetask6" name="dynamic-report-service: Execute Approved Job" implementation="ApprovalExecuteApprovedFileimportJob"></serviceTask>
    <sequenceFlow id="flow12" name="fileimport" sourceRef="exclusivegateway2" targetRef="servicetask6">
      <conditionExpression xsi:type="tFormalExpression">${jobController.isQuerytypeFileimport(querytype)}</conditionExpression>
    </sequenceFlow>
    <serviceTask id="servicetask7" name="mail-service: Notify Requestor" implementation="ApprovalNotifyRequestor"></serviceTask>
    <sequenceFlow id="flow13" sourceRef="servicetask6" targetRef="servicetask7"></sequenceFlow>
    <endEvent id="endevent3" name="End"></endEvent>
    <sequenceFlow id="flow14" sourceRef="servicetask7" targetRef="endevent3"></sequenceFlow>
    <serviceTask id="servicetask8" name="mail-service: Notify Requestor" implementation="ApprovalNotifyRequestor"></serviceTask>
    <sequenceFlow id="flow15" sourceRef="servicetask5" targetRef="servicetask8"></sequenceFlow>
    <endEvent id="endevent4" name="End"></endEvent>
    <sequenceFlow id="flow16" sourceRef="servicetask8" targetRef="endevent4"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_singleapprover">
    <bpmndi:BPMNPlane bpmnElement="singleapprover" id="BPMNPlane_singleapprover">
      <bpmndi:BPMNShape bpmnElement="start" id="BPMNShape_start">
        <omgdc:Bounds height="35.0" width="35.0" x="18.0" y="209.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="serviceTaskCreateRequest" id="BPMNShape_serviceTaskCreateRequest">
        <omgdc:Bounds height="89.0" width="111.0" x="100.0" y="182.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask1" id="BPMNShape_servicetask1">
        <omgdc:Bounds height="89.0" width="105.0" x="256.0" y="182.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">
        <omgdc:Bounds height="89.0" width="105.0" x="406.0" y="182.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="exclusivegateway1" id="BPMNShape_exclusivegateway1">
        <omgdc:Bounds height="40.0" width="40.0" x="556.0" y="207.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask4" id="BPMNShape_servicetask4">
        <omgdc:Bounds height="91.0" width="105.0" x="640.0" y="309.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent2" id="BPMNShape_endevent2">
        <omgdc:Bounds height="35.0" width="35.0" x="790.0" y="337.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="exclusivegateway2" id="BPMNShape_exclusivegateway2">
        <omgdc:Bounds height="40.0" width="40.0" x="672.0" y="207.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask5" id="BPMNShape_servicetask5">
        <omgdc:Bounds height="89.0" width="105.0" x="836.0" y="182.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask6" id="BPMNShape_servicetask6">
        <omgdc:Bounds height="91.0" width="105.0" x="790.0" y="50.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask7" id="BPMNShape_servicetask7">
        <omgdc:Bounds height="91.0" width="105.0" x="940.0" y="50.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent3" id="BPMNShape_endevent3">
        <omgdc:Bounds height="35.0" width="35.0" x="1090.0" y="78.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="servicetask8" id="BPMNShape_servicetask8">
        <omgdc:Bounds height="89.0" width="105.0" x="986.0" y="182.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endevent4" id="BPMNShape_endevent4">
        <omgdc:Bounds height="35.0" width="35.0" x="1140.0" y="206.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">
        <omgdi:waypoint x="53.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="100.0" y="226.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">
        <omgdi:waypoint x="211.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="256.0" y="226.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">
        <omgdi:waypoint x="361.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="406.0" y="226.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">
        <omgdi:waypoint x="511.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="556.0" y="227.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8">
        <omgdi:waypoint x="576.0" y="247.0"></omgdi:waypoint>
        <omgdi:waypoint x="576.0" y="356.0"></omgdi:waypoint>
        <omgdi:waypoint x="640.0" y="354.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="13.0" width="40.0" x="576.0" y="247.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow9" id="BPMNEdge_flow9">
        <omgdi:waypoint x="745.0" y="354.0"></omgdi:waypoint>
        <omgdi:waypoint x="790.0" y="354.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow10" id="BPMNEdge_flow10">
        <omgdi:waypoint x="596.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="672.0" y="227.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="13.0" width="100.0" x="596.0" y="227.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow11" id="BPMNEdge_flow11">
        <omgdi:waypoint x="712.0" y="227.0"></omgdi:waypoint>
        <omgdi:waypoint x="836.0" y="226.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="39.0" width="100.0" x="712.0" y="227.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow12" id="BPMNEdge_flow12">
        <omgdi:waypoint x="692.0" y="207.0"></omgdi:waypoint>
        <omgdi:waypoint x="692.0" y="95.0"></omgdi:waypoint>
        <omgdi:waypoint x="790.0" y="95.0"></omgdi:waypoint>
        <bpmndi:BPMNLabel>
          <omgdc:Bounds height="13.0" width="100.0" x="692.0" y="207.0"></omgdc:Bounds>
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow13" id="BPMNEdge_flow13">
        <omgdi:waypoint x="895.0" y="95.0"></omgdi:waypoint>
        <omgdi:waypoint x="940.0" y="95.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow14" id="BPMNEdge_flow14">
        <omgdi:waypoint x="1045.0" y="95.0"></omgdi:waypoint>
        <omgdi:waypoint x="1090.0" y="95.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow15" id="BPMNEdge_flow15">
        <omgdi:waypoint x="941.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="986.0" y="226.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="flow16" id="BPMNEdge_flow16">
        <omgdi:waypoint x="1091.0" y="226.0"></omgdi:waypoint>
        <omgdi:waypoint x="1140.0" y="223.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

@alaksmana Ok, I have looked at your Docker Compose and spotted a few things that need correction:

  1. Make sure that you use 7.0.0.SR1 tag for Query, Audit and Notifications Graphq Docker images. The tags should be consistent with activiti-cloud-dependencies version 7.0.0.SR1 used in Rb.

  2. In activiti-cloud-notifications-graphql use the following configuration:

   environment:
      - SPRING_JPA_GENERATE_DDL=false
      - SPRING_JPA_HIBERNATE_DDL_AUTO=none
  1. After making changes, clean you stack docker-compose down, remove all containers and prune all data volumes with docker volume prune and docker system prune.

  2. Start everything with docker-compose up and test again.

@igdianov Thanks you very much! It works now! Thank you for your patience!

{
    "data": {
        "ProcessInstances": {
            "select": [
                {
                    "id": "c41b8b54-665a-11e9-bf61-0242ac13000c",
                    "status": "RUNNING",
                    "variables": [
                        {
                            "name": "logsource",
                            "value": "com.mycompany.rnd.bali.datamyapplicationservice.service.DataService [1207]"
                        },
                        {
                            "name": "database",
                            "value": "myapplication_lbu"
                        },
                        {
                            "name": "formcode",
                            "value": "F0020"
                        },
                        {
                            "name": "databefore",
                            "value": {
                                "ymd": "2019-03-21T00:00:00Z",
                                "ass_lblty_off_flg": "3",
                                "off_cd": "441",
                                "gl_acct": "1",
                                "br_cd": "100",
                                "bi_br_cd": "032",
                                "bi_acct_tp": "015",
                                "bi_curr_cd": "AED",
                                "prev_mth_bal": 1,
                                "mtd_dbt_amt": 1,
                                "mtd_cdt_amt": 1,
                                "mtd_oth_amt": 1,
                                "bal": 1,
                                "int_rt": 100,
                                "adj_flag": "M",
                                "acc_no": "1",
                                "pkid": 15041,
                                "valid_flg": "O"
                            }
                        },
                        {
                            "name": "querytype",
                            "value": "update"
                        },
                        {
                            "name": "logmessage",
                            "value": "Successfull PUT /myapplication/oracle/update/F0020/S/myapplication_lbu/tbls_interoffice_common_table/15041/2-464-148-120"
                        },
                        {
                            "name": "approvermailstatus0",
                            "value": "{\"mailok\":true,\"message\":\"org.springframework.mail.javamail.SmartMimeMessage@1fd04275\"}"
                        },
                        {
                            "name": "name",
                            "value": "jobname"
                        },
                        {
                            "name": "dataafter",
                            "value": {
                                "bi_br_cd": "032",
                                "off_cd": "441",
                                "bi_acct_tp": "015",
                                "bi_curr_cd": "AED",
                                "int_rt": 100,
                                "prev_mth_bal": 15,
                                "mtd_dbt_amt": 1,
                                "mtd_cdt_amt": 1,
                                "mtd_oth_amt": 1,
                                "bal": 1
                            }
                        },
                        {
                            "name": "approverlist",
                            "value": "{ \"user_id\" : \"fb59f2a0-9bb8-42c0-a2ee-18743f785da7\", \"user_name\" : \"mukhtarharis\", \"user_firstname\" : \"Mukhtar\", \"user_lastname\" : \"Haris\", \"user_email\" : \"[email protected]\", \"user_approvaltype\" : \"singleapprover\", \"approval-list\" : [{ \"user_approve_id\" : \"16033377-5d7e-44b2-b87b-4ac70617ff42\", \"user_approve_name\" : \"idamluqmana\", \"user_approve_firstname\" : \"Idam\", \"user_approve_lastname\" : \"Luqmana\", \"user_approve_email\" : \"[email protected]\" }], \"branch-list\" : [] }"
                        },
                        {
                            "name": "tablename",
                            "value": "tbls_interoffice_common_table"
                        },
                        {
                            "name": "type",
                            "value": "approval"
                        },
                        {
                            "name": "remotehost",
                            "value": "172.19.0.4"
                        },
                        {
                            "name": "useragent",
                            "value": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36"
                        },
                        {
                            "name": "username",
                            "value": "mukhtarharis"
                        },
                        {
                            "name": "fileimportlink",
                            "value": "na"
                        },
                        {
                            "name": "requestor",
                            "value": "fb59f2a0-9bb8-42c0-a2ee-18743f785da7"
                        },
                        {
                            "name": "moduleid",
                            "value": "LBU"
                        },
                        {
                            "name": "approvaltype",
                            "value": "singleapprover"
                        },
                        {
                            "name": "requestorinfo",
                            "value": "{ \"user_id\" : \"fb59f2a0-9bb8-42c0-a2ee-18743f785da7\", \"user_name\" : \"mukhtarharis\", \"user_firstname\" : \"Mukhtar\", \"user_lastname\" : \"Haris\", \"user_email\" : \"[email protected]\" }"
                        },
                        {
                            "name": "querytoexecute",
                            "value": "update tbls_interoffice_common_table set bi_br_cd='032' , off_cd='441' , bi_acct_tp='015' , bi_curr_cd='AED' , int_rt=100 , prev_mth_bal=15 , mtd_dbt_amt=1 , mtd_cdt_amt=1 , mtd_oth_amt=1 , bal=1 where pkid=15041"
                        },
                        {
                            "name": "formname",
                            "value": "Form-20"
                        }
                    ]
                }
            ]
        }
    }
}
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