Synchrony service won't start due to "java.lang.NumberFormatException"
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Problem
Synchrony process won't start either with Confluence or manually.
The following error appears in the atlassian-confluence.log
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ERROR [Long running task: Restart Synchrony Task] [plugins.synchrony.tasks.AbstractConfigLongRunningTask] runInternal An error occurred when running a Synchrony ConfigLongRunningTask
-- url: /rest/synchrony-interop/restart | referer: http://mycompany.com/admin/confluence-collaborative-editor-plugin/configure.action | traceId: 4e06227767fccf2b | userName: XXXXX
java.lang.NumberFormatException: For input string: ""Cause
Synchrony PID file has been corrupted.
Resolution
The PID file is created when starting Confluence, in case it doesn't already exist. The steps below will fix the issue:
Stop Confluence
Remove the file
<confluence-install>/temp/synchrony.pidStart Confluence
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