Cannot communicate with task server, please check your settings. my splunk version is 7.1.2 windows platform

[fish111]

my splunk version is 7.1.2 windows platform
db_connect is 3.1.3
jre is jre-8u181-windows-x64.exe

and when i run the app ，windows process show that java.exe is running and listening on port 9998
everything seems ok，but why？thanks for your answers。。。。

error log as follows：
2019-01-10T10:08:05+0800 [ERROR] [rest_handler.py], line 81 : No module named six.moves
Traceback (most recent call last):
File "D:\Program Files\Splunk/bin/rest_handler.py", line 79, in
print splunk.rest.dispatch(**params)
File "D:\Program Files\Splunk\Python-2.7\Lib\site-packages\splunk\rest_init.py", line 149, in dispatch
module = __import('splunk.rest.external.%s' % parts[0], None, None, parts[0])
File "D:\Program Files\Splunk\etc\apps\splunk_app_db_connect\bin\dbxproxy.py", line 7, in
from dbx_settings import Settings
File "D:\Program Files\Splunk\etc\apps\splunk_app_db_connect\bin\dbx_settings.py", line 10, in
import splunklib.client as client
File "D:\Program Files\Splunk\etc\apps\wechat_alert_app_for_splunk\bin\splunklib__init_.py", line 18, in
from splunklib.six.moves import map
ImportError: No module named six.moves

[chskm]

You need to upgrade the DB Connect app. This is a bug in the lower version of the app and compatibility issue. Please check with the release notes.

[kheo_splunk]

The symptom is supposed to be fixed in the latest release(DB Connect app 3.14) as below:

https://docs.splunk.com/Documentation/DBX/3.1.4/ReleaseNotes/Releasenotes
DBX-4623 Compatibility issue with splunk_app_db_connect 3.1.3 and TA-Proofpoint-TAP 1.3.117 keeps DBX from loading.

[hijacob]

Hi,

maybe the port 9998 is already in use by another service? Besides have a look at https://docs.splunk.com/Documentation/DBX/3.1.3/DeployDBX/Troubleshooting

Greetings
Jacob

[deepashri_123]

Hey@fish111,

You can refer this answer:
https://answers.splunk.com/answers/640541/db-connect-app-issue-cannot-communicate-with-task.html

Let me know if this helps!!