Connection Refused while connecting to local gremlin console.

[Harshita Jain]

Hi, 

I am trying to connect to the local gremlin console using python.

Here is the script : 

>>> from gremlin_python import statics

>>> from gremlin_python.structure.graph import Graph

>>> from gremlin_python.driver.driver_remote_connection import DriverRemoteConnection

>>> graph = Graph()

>>> g = graph.traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin','g'))

I am getting a connection refused error. 

Here it is. 

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/driver_remote_connection.py", line 45, in __init__

    password=password)

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/client.py", line 76, in __init__

    self._fill_pool()

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/client.py", line 88, in _fill_pool

    conn = self._get_connection()

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/client.py", line 101, in _get_connection

    self._transport_factory, self._executor, self._pool)

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/connection.py", line 40, in __init__

    self.connect()

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/connection.py", line 46, in connect

    self._transport.connect(self._url)

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/gremlin_python/driver/tornado/transport.py", line 33, in connect

    lambda: websocket.websocket_connect(url))

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/tornado/ioloop.py", line 458, in run_sync

    return future_cell[0].result()

  File "/home/jhrsht/anaconda3/lib/python3.6/site-packages/tornado/concurrent.py", line 238, in result

    raise_exc_info(self._exc_info)

  File "<string>", line 4, in raise_exc_info

ConnectionRefusedError: [Errno 111] Connection refused

Any suggestions?

[Stephen Mallette]

can you connect from the Gremlin Console?

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[Harshita Jain]

No. 

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[Stephen Mallette]

hate to ask an obvious question, but is Gremlin Server running? did you change anything it it's yaml? port perhaps? 

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[Harshita Jain]

Yes. I checked everything. The server is running. I am able to connect to the server using console. But I am still getting the same error using the python script. 

[Harshita Jain]

This is the command i used to start the server. 

$ bin/gremlin-server.sh conf/gremlin-server-modern-py.yaml

[Harshita Jain]

Here are the commands that I used to interact with the server from Gremlin Console. 

apache-tinkerpop-gremlin-console-3.3.1 jhrsht$ bin/gremlin.sh 

         \,,,/

         (o o)

-----oOOo-(3)-oOOo-----

plugin activated: tinkerpop.server

plugin activated: tinkerpop.utilities

plugin activated: tinkerpop.tinkergraph

gremlin> :remote connect tinkerpop.server conf/remote.yaml

==>Configured localhost/127.0.0.1:8182

gremlin> :remote console

==>All scripts will now be sent to Gremlin Server - [localhost/127.0.0.1:8182] - type ':remote console' to return to local mode

gremlin> 

gremlin> 

gremlin> 

gremlin> :> g.V()

==>v[1]

==>v[2]

==>v[3]

==>v[4]

==>v[5]

==>v[6]

gremlin> 

gremlin> 

gremlin> 

[Robert Dale]

Are you running python on the same server (localhost)?

Robert Dale

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[Harshita Jain]

Yes. I followed the instructions from the documentation. http://tinkerpop.apache.org/docs/current/reference/#gremlin-python

Robert Dale

[Stephen Mallette]

I'm not sure what else to ask - "connection refused" is such a low-level sort of error. Even mixing versions of gremlin-python/gremlin server shouldn't give you that kind of trouble that i know of. not sure if anyone else has ideas on this one.

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[Kaushik Pasi]

You may need to add this line:

>>> from gremlin_python import statics >>> from gremlin_python.structure.graph import Graph >>> from gremlin_python.driver.driver_remote_connection import DriverRemoteConnection # loading statics enables __.out() to be out() and P.gt() to be gt() >>> statics.load_statics(globals()) #<------------This line. Reference: http://tinkerpop.apache.org/docs/current/tutorials/gremlin-language-variants/#using-python-and-remoteconnection >>> graph = Graph() >>> g = graph.traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin','g'))