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

[Paul Ferraro (JIRA)]

HAModClusterService can throw NullPointerExceptions after a partition merge
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                 Key: MODCLUSTER-85
                 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-85
             Project: mod_cluster
          Issue Type: Bug
    Affects Versions: 1.0.0.GA
            Reporter: Paul Ferraro
            Assignee: Paul Ferraro
            Priority: Minor


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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