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This occurs a few days after restart

Exception in thread "DefaultQuartzScheduler_Worker-9" java.lang.OutOfMemoryError: Java heap space


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.


To resolve this problem,

  1. Increase the memory allocated to your instance. See How to fix out of memory errors by increasing available memory.
  2. Fix your indices
    1. Stop your server
    2. Follow the instructions in Rebuilding index from scratch.
    3. 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.
Last modified on Feb 26, 2016

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