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Oracle Traffic Director Instance Not Starting with Error "Node Manager command 'SYNC_CHANGELIST' failed unexpectedly due to: [Received java.lang.NullPointerException but without detailed error message." (Doc ID 2541651.1)

Last updated on JULY 06, 2020

Applies to:

Oracle Traffic Director - Version 12.2.1.3.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.2.1.3.0 version, Administration

Cannot start OTD instance from EM Console

The issue can be reproduced at will with the following steps:
1. Attempt to start 2 of 3 OTD instances in EM console
2. Observe following error:

Validate Start Up operation on target /Domain_OTDDOMAIN/OTDDOMAIN/otd_server_instance
------------------------------------------------
Perform Start Up operation on target /Domain_OTDDOMAIN/OTDDOMAIN/server
Perform Start Up operation on target /Domain_OTDDOMAIN/OTDDOMAIN/otd_server_instance
------------------------------------------------
Checking operation status on target /Domain_OTDDOMAIN/OTDDOMAIN/server
Received error message from Node Manager Server: [Node Manager command 'SYNC_CHANGELIST' failed unexpectedly due to: [Received java.lang.NullPointerException but without detailed error message. Please enable Node Manager debug to see the full stack trace if necessary]. Please check Node Manager log and/or server log for detailed information.]. Please check Node Manager log for details.
Operation Start Up on target /Domain_OTDDOMAIN/OTDDOMAIN/otd_server_instance failed. Please see application logs for details

NodeManager.log shows:

<May 13, 2019 6:55:18 AM UTC> <WARNING> <Node Manager command 'SYNC_CHANGELIST' failed unexpectedly due to: [Received java.lang.NullPointerException but without detailed error message. Please enable Node Manager debug to see the full stack trace if necessary]. Please check Node Manager log and/or server log for detailed information.>
<May 13, 2019 6:55:19 AM UTC> <INFO> </<DIR>/user_projects/domains/OTDDOMAIN/config/fmwconfig/components/OTD/instances/server_instance/config/server.xml (Permission denied)>
<May 13, 2019 6:55:19 AM UTC> <INFO> <OTD-63106 Unable to parse the configuration file: /<DIR>/user_projects/domains/OTDDOMAIN/config/fmwconfig/components/OTD/instances/server_instance/config/server.xml>

Changes

 During maintenance, a user with root access ran a script which changed the permission of the server.xml file to be owned by root user.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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