Confluence crashes due to OutOfMemoryError Metaspace

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Platform Notice: Server and Data Center Only. This article only applies to Atlassian products on the server and data center platforms.

Problem

Confluence crashes after upgrading to Confluence 5.7.x (or above) and using JAVA 8.

The following appears in the atlassian-confluence.log

2015-06-10 10:02:05,782 ERROR [scheduler_Worker-10] [org.quartz.core.ErrorLogger] schedulerError Job (DEFAULT.IndexQueueFlusher threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.OutOfMemoryError: Metaspace]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:234)
	at com.atlassian.confluence.schedule.quartz.ConfluenceQuartzThreadPool.lambda$runInThread$46(ConfluenceQuartzThreadPool.java:19)
	at com.atlassian.confluence.schedule.quartz.ConfluenceQuartzThreadPool$$Lambda$91/1891777742.run(Unknown Source)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
Caused by: java.lang.OutOfMemoryError: Metaspace

Diagnosis

Environment

  • Confluence is running on JAVA 8

Cause

-XX:MaxMetaspaceSize limits the maximum size of Memory allocation. Confluence has exceeded this fixed block for loading class files.

Resolution

  • Remove the -XX:MaxMetaspaceSize=256m argument in system properties (see Configuring System Properties). Future versions of Confluence will not set this argument per CONF-37925 - Getting issue details... STATUS

 

Last modified on Mar 30, 2016

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