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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$ClusteredCatalinaEventHandler.status(HAModClusterService.java:780) at org.jboss.modcluster.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:163) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1348) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1612) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1601) at java.lang.Thread.run(Thread.java:619)