I'm regularly seeing this NPE while undeploying my app / tests: 21:48:41,367 WARN [org.jboss.msc.service.fail] (MSC service thread 1-10) MSC00004: Failure during stop of service jboss.capedwarf.cache-lifecycle.prospective_search.capedwarf-test: java.lang.NullPointerException at java.util.TreeMap.rotateRight(TreeMap.java:2062) [classes.jar:1.6.0_37] at java.util.TreeMap.fixAfterInsertion(TreeMap.java:2101) [classes.jar:1.6.0_37] at java.util.TreeMap.put(TreeMap.java:559) [classes.jar:1.6.0_37] at org.infinispan.query.impl.LifecycleManager.cacheStopping(LifecycleManager.java:173) at org.infinispan.factories.ComponentRegistry.stop(ComponentRegistry.java:221) at org.infinispan.CacheImpl.stop(CacheImpl.java:540) at org.infinispan.CacheImpl.stop(CacheImpl.java:535) at org.infinispan.AbstractDelegatingCache.stop(AbstractDelegatingCache.java:348) at org.jboss.as.capedwarf.services.CacheLifecycleService.stop(CacheLifecycleService.java:94) at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:1911) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:1874) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_37] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_37] at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_37] It doesn't break the app, hence just reporting NPE. :-) _______________________________________________ infinispan-dev mailing list infinispan-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/infinispan-dev