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  1. WildFly Core
  2. WFCORE-520

Random NPE in org.jboss.as.controller.OperationContextImpl.createTargetAttribute

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    • Icon: Major Major
    • 1.0.0.Alpha19
    • 1.0.0.Alpha9
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      Using attached JMXTest:
      javac -cp $JBOSS_HOME/bin/client/jboss-client.jar com/jboss/examples/jmx/JMXTest.java
      java -cp $JBOSS_HOME/bin/client/jboss-client.jar:. com.jboss.examples.jmx.JMXTest

      Using a couple of threads:
      Open connection to remote jmx
      Invoke getMBeanCount()
      Close Connection
      Repeat

      Show
      Using attached JMXTest: javac -cp $JBOSS_HOME/bin/client/jboss-client.jar com/jboss/examples/jmx/JMXTest.java java -cp $JBOSS_HOME/bin/client/jboss-client.jar:. com.jboss.examples.jmx.JMXTest Using a couple of threads: Open connection to remote jmx Invoke getMBeanCount() Close Connection Repeat

      A NullPointerException randomly occurs in org.jboss.as.controller.OperationContextImpl.createTargetAttribute(OperationContextImpl.java:1172) when getMBeanCount is called over and over.

      See attached server.log and reproducer

      00:16:01,315 ERROR [org.jboss.as.controller.management-operation] (pool-2-thread-2) WFLYCTL0013: Operation ("check-default-resource-access") failed - address: ([
          ("core-service" => "management"),
          ("service" => "management-operations"),
          ("active-operation" => "-1652526387")
      ]): java.lang.NullPointerException
      	at org.jboss.as.controller.OperationContextImpl.createTargetAttribute(OperationContextImpl.java:1172) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.OperationContextImpl.authorizeResource(OperationContextImpl.java:1136) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.OperationContextImpl.authorizeResource(OperationContextImpl.java:130) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.operations.global.ReadResourceDescriptionHandler$CheckResourceAccessHandler.execute(ReadResourceDescriptionHandler.java:467) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:700) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.AbstractOperationContext.doCompleteStep(AbstractOperationContext.java:535) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.AbstractOperationContext.completeStepInternal(AbstractOperationContext.java:308) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:303) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1158) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:328) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:197) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.ResourceAccessControlUtil.getResourceAccess(ResourceAccessControlUtil.java:85) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.RootResourceIterator.doIterate(RootResourceIterator.java:51) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.RootResourceIterator.doIterate(RootResourceIterator.java:61) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.RootResourceIterator.doIterate(RootResourceIterator.java:61) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.RootResourceIterator.doIterate(RootResourceIterator.java:61) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.RootResourceIterator.iterate(RootResourceIterator.java:43) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.ModelControllerMBeanHelper.getMBeanCount(ModelControllerMBeanHelper.java:105) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.model.ModelControllerMBeanServerPlugin.getMBeanCount(ModelControllerMBeanServerPlugin.java:154) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.PluggableMBeanServerImpl.getMBeanCount(PluggableMBeanServerImpl.java:561) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.BlockingNotificationMBeanServer.getMBeanCount(BlockingNotificationMBeanServer.java:143) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.remotingjmx.protocol.v2.ServerProxy$GetMBeanCountHandler.handle(ServerProxy.java:655)
      	at org.jboss.remotingjmx.protocol.v2.ServerCommon$MessageReciever$1$1.run(ServerCommon.java:153)
      	at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor$1.run(ServerInterceptorFactory.java:75) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor$1.run(ServerInterceptorFactory.java:70) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.7.0_51]
      	at javax.security.auth.Subject.doAs(Subject.java:415) [rt.jar:1.7.0_51]
      	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:94) [wildfly-controller-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor.handleEvent(ServerInterceptorFactory.java:70) [wildfly-jmx-1.0.0.Alpha9.jar:1.0.0.Alpha9]
      	at org.jboss.remotingjmx.protocol.v2.ServerCommon$MessageReciever$1.run(ServerCommon.java:149)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
      	at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
      

        1. server.log
          35 kB
        2. JMXTest.java
          3 kB

              bstansbe@redhat.com Brian Stansberry
              rhn-support-bmaxwell Brad Maxwell
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                Created:
                Updated:
                Resolved: