Elasticsearch-py: ConnectionError

[edemauro]

Hello,

I'm receiving the following error when trying to use the example code:

elasticsearch.exceptions.ConnectionError: ConnectionError(<urllib3.connection.HTTPConnection object at 0x10896f290>: Failed to establish a new connection: [Errno 61] Connection refused) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x10896f290>: Failed to establish a new connection: [Errno 61] Connection refused)

I've verified that the elasticsearch server is running and that I'm able to use it via cURL / browser. For example, cURLing, I get the following response:

{
  "name" : "LONG STRING",
  "cluster_name" : "CHANGED CLUSTER NAME",
  "cluster_uuid" : "CHANGED UUID",
  "version" : {
    "number" : "5.1.1",
    "build_hash" : "5395e21",
    "build_date" : "2016-12-06T12:36:15.409Z",
    "build_snapshot" : false,
    "lucene_version" : "6.3.0"
  },
  "tagline" : "You Know, for Search"
}

[HonzaKral]

Hi, could you please share the code for the curl command that works and also how you instantiate the client? Without it it's impossible to tell what could be wrong.

Thanks!

[edemauro]

Hi, The curl command I'm running is the following:

curl -XGET 'our.es.server.name'

This is the code I'm using to instantiate the client (Default connection):

from elasticsearch import Elasticsearch
from elasticsearch_dsl import Search
from elasticsearch_dsl.connections import connections

connections.create_connection(hosts=['our.es.server.name'], timeout=20)

client = Elasticsearch()

s = Search(using=client, index="changed.index") \
    .query("match", env="changed.environment")

response = s.execute()

for hit in response:
    print(hit.meta.score, hit.title)

Manual connection:

from elasticsearch import Elasticsearch
from elasticsearch_dsl import Search

client = Elasticsearch('our.es.server.name')

s = Search(using=client, index="changed.index") \
    .query("match", env="changed.environment")

response = s.execute()

for hit in response:
    print(hit.meta.score, hit.title)

[HonzaKral]

In that case the problem is that curl defaults to port 80 while Elasticsearch to port 9200, you need to specify the port by using our.es.server.name:9200

[VenkateshShanbhag]

@HonzaKral That is not the solution.
"our.es.server.name" must be listening to 9200 instead of 80. or else the curl -XGET 'our.es.server.name' would not have returned "tagline" : "You Know, for Search". assigning port in front of domain name will not fix the issue.

The firewall is blocking the domain access. The alternative would be port forwarding.

Thanks