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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
Symptoms
This occurs a few days after restart
1
Exception in thread "DefaultQuartzScheduler_Worker-9" java.lang.OutOfMemoryError: Java heap space
Cause
The DefaultQuartzScheduler Thread is a scheduler thread that is responsible for scheduling activities such as confluence backups, indexes and sending mail and daily reports. An out of memory error in the DefaultQuartzScheduler Thread can kill it, hence it will not schedule the tasks.
Resolution
To resolve this problem,
Increase the memory allocated to your instance. See Fix java.lang.OutOfMemoryError in Confluence.
Fix your indices
Stop your server
Follow the instructions in Rebuilding index from scratch.
Restart server. Also don't forget the manual re-index step that you need to perform in Confluence Admin > Content Indexing after having restarted the server.
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