Bitbucket Server become unresponsive with "Hazelcast instance is not active"
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
Bitbucket Server becomes unresponsive and needs to be restarted.
The following appears in the atlassian-bitbucket.log
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Caused by: com.hazelcast.core.HazelcastInstanceNotActiveException: Hazelcast instance is not active!
at com.hazelcast.spi.AbstractDistributedObject.getService(AbstractDistributedObject.java:93) ~[hazelcast-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at com.hazelcast.map.proxy.MapProxySupport.toData(MapProxySupport.java:1056) ~[hazelcast-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at com.hazelcast.map.proxy.MapProxyImpl.get(MapProxyImpl.java:83) ~[hazelcast-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at com.hazelcast.hibernate.distributed.IMapRegionCache.get(IMapRegionCache.java:75) ~[hazelcast-hibernate4-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at com.hazelcast.hibernate.access.AbstractAccessDelegate.get(AbstractAccessDelegate.java:85) ~[hazelcast-hibernate4-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at com.hazelcast.hibernate.region.EntityRegionAccessStrategyAdapter.get(EntityRegionAccessStrategyAdapter.java:56) ~[hazelcast-hibernate4-3.3.1-atlassian-10.jar:3.3.1-atlassian-10]
at org.hibernate.engine.internal.CacheHelper.fromSharedCache(CacheHelper.java:55) ~[hibernate-core-4.3.6.Final.jar:4.3.6.Final]
at org.hibernate.engine.internal.CacheHelper.fromSharedCache(CacheHelper.java:67) ~[hibernate-core-4.3.6.Final.jar:4.3.6.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:598)
.....
at com.atlassian.activeobjects.internal.AbstractLoggingTransactionManager.doInTransaction(AbstractLoggingTransactionManager.java:19) ~[na:na]
at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.executeInTransaction(EntityManagedActiveObjects.java:276) ~[na:na]
at com.atlassian.activeobjects.osgi.TenantAwareActiveObjects.executeInTransaction(TenantAwareActiveObjects.java:383) ~[na:na]
at com.atlassian.bitbucket.internal.key.ssh.DefaultSshKeyService.getByPublicKey(DefaultSshKeyService.java:154) ~[na:na]
at com.atlassian.bitbucket.internal.ssh.server.DefaultPublicKeyAuthenticator$1.call(DefaultPublicKeyAuthenticator.java:84) ~[na:na]
at com.atlassian.bitbucket.internal.ssh.server.DefaultPublicKeyAuthenticator$1.call(DefaultPublicKeyAuthenticator.java:75) ~[na:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_75]
... 3 common frames omitted
2015-04-02 18:51:31,865 WARN [AtlassianEvent::thread-7] c.a.a.c.c.AnalyticsConfig Couldn't check the analytics settings. This can safely be ignored during plugin shutdown. Detail: Hazelcast instance is not active!
Cause
Sometimes the error "Hazelcast instance is not active" is shown when Bitbucket Server is not available due to out of memory errors. Check the atlassian-bitbucket.log file for errors like:
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java.lang.OutOfMemoryError: PermGen spaceOr:
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java.lang.OutOfMemoryError: GC overhead limit exceededIf you see those then follow the resolution steps.
Resolution
Shutdown Bitbucket Server.
Follow this guide to increase Bitbucket Server available memory.
Start Bitbucket Server and see if this issue happens again.
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