Aws-cdk: invoking add_ingress_rule() on an imported security group throws AttributeError: 'Resource' object has no attribute 'add_ingress_rule'

Created on 12 Nov 2019 · 15Comments · Source: aws/aws-cdk

After upgrading CDK to v1.16.x and jsii to 0.20.3 today, add_ingress_rule() suddenly started throwing the below error when trying to add an inbound rule to an imported security group.

AttributeError: 'Resource' object has no attribute 'add_ingress_rule'

Reproduction Steps

self._lambda_security_group = ec2.SecurityGroup.from_security_group_id(
    self,
    'sg1',
    security_group_id='sg-xxxx'
)

self._lambda_security_group.add_ingress_rule(
    ec2.Peer().prefix_list('sg-xxxx'),
    ec2.Port.tcp(443),
    description="Sample Ingress rule"
)

Error Log

Traceback (most recent call last):
  File "app.py", line 30, in <module>
    env=core.Environment(account=ES_DOMAIN_ARN.split(":")[4], region=ES_DOMAIN_ARN.split(":")[3])
  File "/Users/aravraje/aws-solutions/aws-es-recommended-cw-alarms/.env/lib/python3.7/site-packages/jsii/_runtime.py", line 66, in __call__
    inst = super().__call__(*args, **kwargs)
  File "/Users/aravraje/aws-solutions/aws-es-recommended-cw-alarms/aws_es_recommended_cw_alarms/aws_es_recommended_cw_alarms_stack.py", line 23, in __init__
    self, "aws-es-cw-alarms", domain_arn, aws_cli_profile, cw_trigger_sns_arn_list, enable_es_api_output, es_api_output_sns_arn
  File "/Users/aravraje/aws-solutions/aws-es-recommended-cw-alarms/.env/lib/python3.7/site-packages/jsii/_runtime.py", line 66, in __call__
    inst = super().__call__(*args, **kwargs)
  File "/Users/aravraje/aws-solutions/aws-es-recommended-cw-alarms/aws_es_recommended_cw_alarms/aws_es_cw_alarms.py", line 220, in __init__
    self._lambda_security_group.add_ingress_rule(
AttributeError: 'Resource' object has no attribute 'add_ingress_rule'

Environment

CLI Version : 1.16.1 (build 9a5a761)
Framework Version:
OS : macOS Sierra
Language : Python

Other

This is :bug: Bug Report

bug languagpython p0

Source

aravraje

Most helpful comment

This appears to be fixed for me using aws-cdk 1.16.2 and jsii 0.20.5.

johns1342 on 13 Nov 2019

👍2 🎉1

All 15 comments

I suspect a JSII bug here, @RomainMuller can you see if my hunch is right?

skinny85 on 12 Nov 2019

@skinny85 @RomainMuller - I don't see this issue happening in Javascript when I tried replicating using the below .ts code (using CDK v1.16.1):

    const sg = ec2.SecurityGroup.fromSecurityGroupId(
      this,
      'sg1',
      'sg-fc0acb82'
    )

    sg.addIngressRule(
      ec2.Peer.prefixList('sg-fc0acb82'),
      ec2.Port.tcp(443),
      'test inbound rule'
    )

Got the expected output on doing 'cdk diff':

~/a/test ❯❯❯ cdk diff                                                                                                                                                                                                    
Stack TestStack
Security Group Changes

|   | Group | Dir | Protocol | Peer |
| - | ------ | --- | -------- | ---- |
| + | sg-fc0acb82 | In | TCP 443 | sg-fc0acb82 |

(NOTE: There may be security-related changes not in this list. See https://github.com/aws/aws-cdk/issues/1299)

Conditions
[+] Condition CDKMetadataAvailable: {"Fn::Or":[{"Fn::Or":[{"Fn::Equals":[{"Ref":"AWS::Region"},"ap-east-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"ap-northeast-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"ap-northeast-2"]},{"Fn::Equals":[{
"Ref":"AWS::Region"},"ap-south-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"ap-southeast-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"ap-southeast-2"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"ca-central-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"cn-north-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"cn-northwest-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"eu-central-1"]}]},{"Fn::Or":[{"Fn::Equals":[{"Ref":"AWS::Region"},"eu-north-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"eu-west-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"eu-west-2"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"eu-west-3"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"me-south-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"sa-east-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"us-east-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"us-east-2"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"us-west-1"]},{"Fn::Equals":[{"Ref":"AWS::Region"},"us-west-2"]}]}]}

Resources
[+] AWS::EC2::SecurityGroupIngress sg1/from sg-fc0acb82:443 sg1fromsgfc0acb824433AACA7C3

So, probably a JSII bug?

aravraje on 12 Nov 2019

This is also an issue when using jsii 0.20.4.

johns1342 on 12 Nov 2019

Have you also upgraded to CDK 1.16.2? (There's been a code-generation change)

RomainMuller on 12 Nov 2019

I tried with CDK 1.16.2 as well as JSII 0.20.4. Still getting the same error.

(.env) ~/a/aws-es-recommended-cw-alarms ❯❯❯ cdk --version
1.16.2 (build 5893301)

(.env) ~/a/aws-es-recommended-cw-alarms ❯❯❯ pip search jsii
jsii (0.20.4)        - Python client for jsii runtime
  INSTALLED: 0.20.4 (latest)

(.env) ~/a/aws-es-recommended-cw-alarms ❯❯❯ cdk diff
Traceback (most recent call last):
....
....
....
    self._lambda_security_group.add_ingress_rule(
AttributeError: 'Resource' object has no attribute 'add_ingress_rule'
Subprocess exited with error 1

aravraje on 12 Nov 2019

Alright I can definitely reproduce this.

RomainMuller on 12 Nov 2019

The result of from_security_group_id is serialized as

{"ok":{"result":{"$jsii.byref":"@aws-cdk/core.Resource@10002","$jsii.interfaces":["@aws-cdk/aws-ec2.ISecurityGroup"]}}}

This would be the Python jsii runtime not correctly using the interfaces list.

RomainMuller on 12 Nov 2019

Probably the wire type negotiation changes

rix0rrr on 12 Nov 2019

Oh it's definitely that.

RomainMuller on 12 Nov 2019

I thought we had enough tests there to cover the changes ☹️

rix0rrr on 12 Nov 2019

The workaround you've proposed on #4979 goes only so far in being able to get the parameter value from ssm... The overall deployment fails with jsii errors (sepecific error below)...


jsii.errors.JavaScriptError: 
  Error: 'ConnectorsECSStack' object has no attribute 'ref'
      at KernelHost.completeCallback (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7237:27)
      at KernelHost.callbackHandler (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7226:33)
      at Object.value (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7899:41)
      at /tmp/jsii-kernel-78vc3G/node_modules/@aws-cdk/core/lib/construct.js:408:50
      at Array.forEach (<anonymous>)
      at ConstructNode.invokeAspects (/tmp/jsii-kernel-78vc3G/node_modules/@aws-cdk/core/lib/construct.js:408:25)
      at Function.prepare (/tmp/jsii-kernel-78vc3G/node_modules/@aws-cdk/core/lib/construct.js:82:28)
      at Function.synth (/tmp/jsii-kernel-78vc3G/node_modules/@aws-cdk/core/lib/construct.js:51:14)
      at App.synth (/tmp/jsii-kernel-78vc3G/node_modules/@aws-cdk/core/lib/app.js:71:52)
      at Kernel._wrapSandboxCode (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8184:19)
      at /opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7561:25
      at Kernel._ensureSync (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8157:20)
      at Kernel.invoke (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7560:26)
      at KernelHost.processRequest (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7272:28)
      at KernelHost.run (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7212:14)
      at Immediate._onImmediate (/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7215:37)
      at processImmediate (internal/timers.js:439:21)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "app.py", line 76, in <module>
    run()
  File "app.py", line 50, in run


    run()
  File "app.py", line 50, in run
    app.synth()
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/aws_cdk/core/__init__.py", line 3468, in synth
    return jsii.invoke(self, "synth", [])
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/__init__.py", line 107, in wrapped
    return _recursize_dereference(kernel, fn(kernel, *args, **kwargs))
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/__init__.py", line 286, in invoke
    return _callback_till_result(self, response, InvokeResponse)
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/__init__.py", line 173, in _callback_till_result
    response = kernel.sync_complete(response.cbid, str(exc), None, response_type)
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/__init__.py", line 329, in sync_complete
    response_type=response_type
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/providers/process.py", line 369, in sync_complete
    resp = self._process.send(_CompleteRequest(complete=request), response_type)
  File "/opt/hostedtoolcache/Python/3.6.9/x64/lib/python3.6/site-packages/jsii/_kernel/providers/process.py", line 318, in send
    raise JSIIError(resp.error) from JavaScriptError(resp.stack)
jsii.errors.JSIIError: 'ConnectorsECSStack' object has no attribute 'ref'
Subprocess exited with error 1
Error: Subprocess exited with error 1
    at ChildProcess.<anonymous> (/usr/local/lib/node_modules/aws-cdk/lib/api/cxapp/exec.ts:115:23)
    at ChildProcess.emit (events.js:210:5)
    at ChildProcess.EventEmitter.emit (domain.js:476:20)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)

tarunaroraonline on 12 Nov 2019

Internal ticket reference: V154189802

A fix to the jsii bug was submitted (aws/jsii#980).
It will be released as a matter of urgency.

RomainMuller on 12 Nov 2019

This appears to be fixed for me using aws-cdk 1.16.2 and jsii 0.20.5.

johns1342 on 13 Nov 2019

👍2 🎉1

@RomainMuller still seeing this issue after upgrading to the latest version of jsii and aws-cdk

2019-11-13T18:02:58.4168246Z attrs==19.3.0
2019-11-13T18:02:58.4169049Z aws-cdk.assets==1.16.3
2019-11-13T18:02:58.4169356Z aws-cdk.aws-apigateway==1.16.3
2019-11-13T18:02:58.4169593Z aws-cdk.aws-applicationautoscaling==1.16.3
2019-11-13T18:02:58.4169864Z aws-cdk.aws-autoscaling==1.16.3
2019-11-13T18:02:58.4170085Z aws-cdk.aws-autoscaling-common==1.16.3
2019-11-13T18:02:58.4170371Z aws-cdk.aws-autoscaling-hooktargets==1.16.3
2019-11-13T18:02:58.4170600Z aws-cdk.aws-certificatemanager==1.16.3
2019-11-13T18:02:58.4170819Z aws-cdk.aws-cloudformation==1.16.3
2019-11-13T18:02:58.4171078Z aws-cdk.aws-cloudfront==1.16.3
2019-11-13T18:02:58.4171616Z aws-cdk.aws-cloudwatch==1.16.3
2019-11-13T18:02:58.4171879Z aws-cdk.aws-ec2==1.16.3
2019-11-13T18:02:58.4172081Z aws-cdk.aws-ecr==1.16.3
2019-11-13T18:02:58.4172288Z aws-cdk.aws-ecr-assets==1.16.3
2019-11-13T18:02:58.4172539Z aws-cdk.aws-ecs==1.16.3
2019-11-13T18:02:58.4172756Z aws-cdk.aws-elasticloadbalancing==1.16.3
2019-11-13T18:02:58.4173026Z aws-cdk.aws-elasticloadbalancingv2==1.16.3
2019-11-13T18:02:58.4173233Z aws-cdk.aws-events==1.16.3
2019-11-13T18:02:58.4173491Z aws-cdk.aws-iam==1.16.3
2019-11-13T18:02:58.4173696Z aws-cdk.aws-kms==1.16.3
2019-11-13T18:02:58.4173896Z aws-cdk.aws-lambda==1.16.3
2019-11-13T18:02:58.4174145Z aws-cdk.aws-logs==1.16.3
2019-11-13T18:02:58.4174349Z aws-cdk.aws-route53==1.16.3
2019-11-13T18:02:58.4174608Z aws-cdk.aws-route53-targets==1.16.3
2019-11-13T18:02:58.4174818Z aws-cdk.aws-s3==1.16.3
2019-11-13T18:02:58.4175027Z aws-cdk.aws-s3-assets==1.16.3
2019-11-13T18:02:58.4175289Z aws-cdk.aws-secretsmanager==1.16.3
2019-11-13T18:02:58.4175506Z aws-cdk.aws-servicediscovery==1.16.3
2019-11-13T18:02:58.4175764Z aws-cdk.aws-sns==1.16.3
2019-11-13T18:02:58.4175984Z aws-cdk.aws-sns-subscriptions==1.16.3
2019-11-13T18:02:58.4176189Z aws-cdk.aws-sqs==1.16.3
2019-11-13T18:02:58.4176435Z aws-cdk.aws-ssm==1.16.3
2019-11-13T18:02:58.4176632Z aws-cdk.core==1.16.3
2019-11-13T18:02:58.4176876Z aws-cdk.cx-api==1.16.3
2019-11-13T18:02:58.4177080Z aws-cdk.region-info==1.16.3
2019-11-13T18:02:58.4177140Z awscli==1.16.280
2019-11-13T18:02:58.4177245Z botocore==1.13.16
2019-11-13T18:02:58.4177299Z cattrs==0.9.0
2019-11-13T18:02:58.4177395Z Cerberus==1.3.2
2019-11-13T18:02:58.4177448Z colorama==0.4.1
2019-11-13T18:02:58.4177500Z docutils==0.15.2
2019-11-13T18:02:58.4177592Z jmespath==0.9.4
2019-11-13T18:02:58.4177645Z jsii==0.20.5
2019-11-13T18:02:58.4177738Z publication==0.0.3
2019-11-13T18:02:58.4177794Z pyasn1==0.4.7
2019-11-13T18:02:58.4178002Z python-dateutil==2.8.0
2019-11-13T18:02:58.4178106Z PyYAML==5.1.2
2019-11-13T18:02:58.4178157Z rsa==3.4.2
2019-11-13T18:02:58.4178260Z s3transfer==0.2.1
2019-11-13T18:02:58.4178312Z six==1.13.0
2019-11-13T18:02:58.4178517Z typing-extensions==3.7.4.1
2019-11-13T18:02:58.4178620Z urllib3==1.25.7
2019-11-13T18:02:58.9323816Z â„¹ï¸ CDK Version: 1.16.3 (build 8c7f593)
2019-11-13T18:02:58.9328792Z â„¹ï¸ AWS environment variables:
2019-11-13T18:02:58.9330486Z   - AWS_ACCOUNTID = xxxxxx
2019-11-13T18:02:58.9334368Z â„¹ï¸ No CDK environment variables
2019-11-13T18:03:02.7509695Z jsii.errors.JavaScriptError: 
2019-11-13T18:03:02.7511348Z   Error: 'ConnectorsECSStack' object has no attribute 'ref'
2019-11-13T18:03:02.7512196Z       at KernelHost.completeCallback (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7250:27)
2019-11-13T18:03:02.7512856Z       at KernelHost.callbackHandler (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7239:33)
2019-11-13T18:03:02.7513561Z       at Object.value (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7912:41)
2019-11-13T18:03:02.7514198Z       at /tmp/jsii-kernel-z0oEhd/node_modules/@aws-cdk/core/lib/construct.js:408:50
2019-11-13T18:03:02.7514566Z       at Array.forEach (<anonymous>)
2019-11-13T18:03:02.7515327Z       at ConstructNode.invokeAspects (/tmp/jsii-kernel-z0oEhd/node_modules/@aws-cdk/core/lib/construct.js:408:25)
2019-11-13T18:03:02.7515729Z       at Function.prepare (/tmp/jsii-kernel-z0oEhd/node_modules/@aws-cdk/core/lib/construct.js:82:28)
2019-11-13T18:03:02.7516143Z       at Function.synth (/tmp/jsii-kernel-z0oEhd/node_modules/@aws-cdk/core/lib/construct.js:51:14)
2019-11-13T18:03:02.7516501Z       at App.synth (/tmp/jsii-kernel-z0oEhd/node_modules/@aws-cdk/core/lib/app.js:71:52)
2019-11-13T18:03:02.7516893Z       at Kernel._wrapSandboxCode (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8197:19)
2019-11-13T18:03:02.7517204Z       at /opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7574:25
2019-11-13T18:03:02.7517802Z       at Kernel._ensureSync (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8170:20)
2019-11-13T18:03:02.7518124Z       at Kernel.invoke (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7573:26)
2019-11-13T18:03:02.7518497Z       at KernelHost.processRequest (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7285:28)
2019-11-13T18:03:02.7518827Z       at KernelHost.run (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7225:14)
2019-11-13T18:03:02.7519195Z       at Immediate._onImmediate (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7228:37)
2019-11-13T18:03:02.7519278Z       at processImmediate (internal/timers.js:439:21)
2019-11-13T18:03:02.7519361Z 
2019-11-13T18:03:02.7519431Z The above exception was the direct cause of the following exception:
2019-11-13T18:03:02.7519475Z 
2019-11-13T18:03:02.7519565Z Traceback (most recent call last):
2019-11-13T18:03:02.7519622Z   File "app.py", line 76, in <module>
2019-11-13T18:03:02.7519674Z     run()
2019-11-13T18:03:02.7519766Z   File "app.py", line 50, in run
2019-11-13T18:03:02.7519818Z     app.synth()
2019-11-13T18:03:02.7520153Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/aws_cdk/core/__init__.py", line 3468, in synth
2019-11-13T18:03:02.7520237Z     return jsii.invoke(self, "synth", [])
2019-11-13T18:03:02.7520569Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 107, in wrapped
2019-11-13T18:03:02.7520651Z     return _recursize_dereference(kernel, fn(kernel, *args, **kwargs))
2019-11-13T18:03:02.7520944Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 286, in invoke
2019-11-13T18:03:02.7521075Z     return _callback_till_result(self, response, InvokeResponse)
2019-11-13T18:03:02.7521381Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 173, in _callback_till_result
2019-11-13T18:03:02.7521506Z     response = kernel.sync_complete(response.cbid, str(exc), None, response_type)
2019-11-13T18:03:02.7521806Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 329, in sync_complete
2019-11-13T18:03:02.7522024Z     response_type=response_type
2019-11-13T18:03:02.7522350Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/providers/process.py", line 369, in sync_complete
2019-11-13T18:03:02.7522479Z     resp = self._process.send(_CompleteRequest(complete=request), response_type)
2019-11-13T18:03:02.7522778Z   File "/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_kernel/providers/process.py", line 318, in send
2019-11-13T18:03:02.7522907Z     raise JSIIError(resp.error) from JavaScriptError(resp.stack)
2019-11-13T18:03:02.7523175Z jsii.errors.JSIIError: 'ConnectorsECSStack' object has no attribute 'ref'
2019-11-13T18:03:02.8126522Z Subprocess exited with error 1
2019-11-13T18:03:06.1566854Z jsii.errors.JavaScriptError: 
2019-11-13T18:03:06.1568518Z   Error: 'ConnectorsECSStack' object has no attribute 'ref'
2019-11-13T18:03:06.1569295Z       at KernelHost.completeCallback (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7250:27)
2019-11-13T18:03:06.1570128Z       at KernelHost.callbackHandler (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7239:33)
2019-11-13T18:03:06.1570829Z       at Object.value (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7912:41)
2019-11-13T18:03:06.1571525Z       at /tmp/jsii-kernel-DklfFI/node_modules/@aws-cdk/core/lib/construct.js:408:50
2019-11-13T18:03:06.1572201Z       at Array.forEach (<anonymous>)
2019-11-13T18:03:06.1572882Z       at ConstructNode.invokeAspects (/tmp/jsii-kernel-DklfFI/node_modules/@aws-cdk/core/lib/construct.js:408:25)
2019-11-13T18:03:06.1573526Z       at Function.prepare (/tmp/jsii-kernel-DklfFI/node_modules/@aws-cdk/core/lib/construct.js:82:28)
2019-11-13T18:03:06.1574268Z       at Function.synth (/tmp/jsii-kernel-DklfFI/node_modules/@aws-cdk/core/lib/construct.js:51:14)
2019-11-13T18:03:06.1574994Z       at App.synth (/tmp/jsii-kernel-DklfFI/node_modules/@aws-cdk/core/lib/app.js:71:52)
2019-11-13T18:03:06.1575677Z       at Kernel._wrapSandboxCode (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8197:19)
2019-11-13T18:03:06.1576379Z       at /opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7574:25
2019-11-13T18:03:06.1577062Z       at Kernel._ensureSync (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8170:20)
2019-11-13T18:03:06.1577798Z       at Kernel.invoke (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7573:26)
2019-11-13T18:03:06.1578482Z       at KernelHost.processRequest (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7285:28)
2019-11-13T18:03:06.1579219Z       at KernelHost.run (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7225:14)
2019-11-13T18:03:06.1579908Z       at Immediate._onImmediate (/opt/hostedtoolcache/Python/3.7.5/x64/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7228:37)
2019-11-13T18:03:06.1580317Z       at processImmediate (internal/timers.js:439:21)

tarunaroraonline on 13 Nov 2019

@tarunaroraonline I don't think that's the same error...

2019-11-13T18:03:06.1568518Z   Error: 'ConnectorsECSStack' object has no attribute 'ref'

skinny85 on 13 Nov 2019

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