RHQ JMX plugin failed to get measurement values ----------------------------------------------- Key: ISPN-4307 URL: https://issues.jboss.org/browse/ISPN-4307 Project: Infinispan Issue Type: Bug Components: JMX, reporting and management Affects Versions: 7.0.0.Alpha4 Reporter: Tomas Sykora Assignee: William Burns We are not able to monitor cache statistics due to this error. RHQ agents are reporting: 2014-05-21 05:54:24,958 WARN [MeasurementManager.collector-1] (rhq.core.pc.measurement.MeasurementCollectorRunner)- Failure to collect measurement data for Resource[id=10774, uuid=9f67384f-8f53-4a25-a138-13c54b32c6df, type={Infinispan}Infinispan Cache, key="___default(dist_sync)", name=___default(dist_sync), parent=DefaultCacheManager] - cause: java.lang.NullPointerException:null 2014-05-21 05:55:32,013 ERROR [WorkerThread#1[10.16.23.98:59988]] (rhq.core.pc.measurement.MeasurementManager)- Could not get measurement values java.lang.NullPointerException at org.rhq.plugins.jmx.MBeanResourceComponent.getEmsConnection(MBeanResourceComponent.java:574) at org.infinispan.rhq.CacheComponent.getValues(CacheComponent.java:97) at sun.reflect.GeneratedMethodAccessor71.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocation.call(ResourceContainer.java:654) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:679)