[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-85) HAModClusterService can throw NullPointerExceptions after a partition merge

[Michal Babacek (JIRA)]

     [ https://issues.jboss.org/browse/MODCLUSTER-85?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michal Babacek closed MODCLUSTER-85.
------------------------------------



Closing. Clean-up.
At least one of the following applies:

  * the issue has been thoroughly tested as a part of one of the current releases
or
  * it hasn't occurred in ~2 years
or
  * it's utterly harmless

> HAModClusterService can throw NullPointerExceptions after a partition merge
> ---------------------------------------------------------------------------
>
>                 Key: MODCLUSTER-85
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-85
>             Project: mod_cluster
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 1.0.0.GA
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>             Fix For: 1.0.3.GA, 1.1.0.Beta1
>
>
> This is caused by updateClusterStatus rpcs returning null if a merged node has master status.
> Make sure all rpcs get the same treatment.
> 2009-07-27 14:29:48,134 INFO  [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] (Incoming-20,10.248.107.114:32770) New cluster view for partition DefaultPartition: 4 ([10.240.62.47:1099, 10.248.107.114:1099, 10.249.195.196:1099] delta: 2)
> 2009-07-27 14:29:48,137 INFO  [org.jboss.ha.framework.server.DistributedReplicantManagerImpl.DefaultPartition] (AsynchViewChangeHandler Thread) Merging partitions...
> 2009-07-27 14:29:48,137 INFO  [org.jboss.ha.framework.server.DistributedReplicantManagerImpl.DefaultPartition] (AsynchViewChangeHandler Thread) Dead members: 0
> 2009-07-27 14:29:48,137 INFO  [org.jboss.ha.framework.server.DistributedReplicantManagerImpl.DefaultPartition] (AsynchViewChangeHandler Thread) Originating groups: [[10.240.62.47:32769|3] [10.240.62.47:32769, 10.249.195.196:32769], [10.248.107.114:32770|0] [10.248.107.114:32770]]
> 2009-07-27 14:29:50,878 ERROR [org.apache.catalina.core.ContainerBase] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) Exception invoking periodic operation: 
> java.lang.NullPointerException
> 	at org.jboss.modcluster.ha.HAModClusterService$ClusteredCatalinaEventHandler.updateClusterStatus(HAModClusterService.java:896)
> 	at org.jboss.modcluster.ha.HAModClusterService$ClusteredCatalinaEventHandler.status(HAModClusterService.java:836)
> 	at org.jboss.modcluster.ha.HAModClusterService$ClusteredCatalinaEventHandler.status(HAModClusterService.java:781)
> 	at org.jboss.modcluster.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:157)
> 	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
> 	at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1348)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1612)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1601)
> 	at java.lang.Thread.run(Thread.java:636)



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