Mail Queue Must Be Flushed Manually due to OutOfMemoryError
This page describes a singular cause for Out Of Memory Heap Space Errors. Refer to JIRA Crashes Due to OutOfMemoryError Java heap space for a general discussion.
The mail queue is not processed. Flushing the queue manually works (from
Administration >> Mail Queue).
The instance has hit an OutOfMemoryError.
- As a temporary measure, increase JIRA's Heap Space allocation.
- Restart the instance.
- For the root cause, see JIRA Crashes Due to 'OutOfMemoryError Java heap space'.