[infinispan-issues] [JBoss JIRA] Resolved: (ISPN-289) NPE on AppClassLoader when calling DistributionManager.locateKey()

NPE on AppClassLoader when calling DistributionManager.locateKey() ------------------------------------------------------------------ Key: ISPN-289 URL: https://jira.jboss.org/jira/browse/ISPN-289 Project: Infinispan Issue Type: Bug Components: JMX, reporting and management Affects Versions: 4.0.0.CR2 Reporter: Galder Zamarreno Assignee: Galder Zamarreno Fix For: 4.0.0.GA When trying to call locateKey() via jopr, it throws: Close Window org.mc4j.ems.connection.EmsInvocationException: Exception on invocation of [locateKey]javax.management.MBeanException at org.mc4j.ems.impl.jmx.connection.bean.operation.DOperation.invoke(DOperation.java:127) at org.infinispan.jopr.CacheComponent.invokeOperation(CacheComponent.java:176) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:525) at java.util.concurrent.FutureTask$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:636) Caused by: javax.management.MBeanException at org.infinispan.jmx.ResourceDMBean.invoke(ResourceDMBean.java:222) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:857) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:795) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1449) at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:90) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1284) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1382) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:807) at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322) at sun.rmi.transport.Transport$1.run(Transport.java:177) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160) at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source) at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke(Unknown Source) at javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.invoke(RMIConnector.java:1001) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.mc4j.ems.impl.jmx.connection.support.providers.proxy.JMXRemotingMBeanServerProxy.invoke(JMXRemotingMBeanServerProxy.java:61) at $Proxy64.invoke(Unknown Source) at org.mc4j.ems.impl.jmx.connection.bean.operation.DOperation.invoke(DOperation.java:111) ... 11 more Caused by: java.lang.NullPointerException at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:287) at java.lang.ClassLoader.loadClass(ClassLoader.java:264) at org.infinispan.util.Util.loadClass(Util.java:56) at org.infinispan.jmx.ResourceDMBean.getClassForName(ResourceDMBean.java:228) at org.infinispan.jmx.ResourceDMBean.invoke(ResourceDMBean.java:217) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:857) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:795) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1449) at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:90) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1284) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1382) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:807) at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322) at sun.rmi.transport.Transport$1.run(Transport.java:177) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) ... 3 more The same operation via JConsole works fine.