1 Reply Latest reply on Apr 14, 2010 10:46 AM by Clebert Suconic

    java.lang.NullPointerException on JBoss 6 M2

    ilango gurusamy Novice

      I am trying to deploy 2 MDBs in a standalone XP machine running JBoss 6 M2. I am getting the following exceptions in my server.log

      I do have a ejb-jar.xml but I gather I do not need one since I have EJB3, but I do have session beans that are from EJB 2.0.

      I have configured an Mysql datasource and necessary queues in the appropriate xml files, but it is apparent I am not doing something right somewhere. How can I solve this problem? Any pointers in resolving this issue are appreciated. Thanks in advance.

       

      The errors are below:

       

      2010-04-09 16:47:20,661 WARN  [org.jboss.resource.adapter.jms.inflow.JmsActivation] (pool-1-thread-3) Failure in jms activation org.jboss.resource.adapter.jms.inflow.JmsActivationSpec@40d447(ra=org.jboss.resource.adapter.jms.JmsResourceAdapter@967df destination=queue/jissuetrackerLog destinationType=null tx=true durable=false reconnect=10 provider=DefaultJMSProvider user=null maxMessages=1 minSession=1 maxSession=15 keepAlive=30000 useDLQ=true DLQHandler=org.jboss.resource.adapter.jms.inflow.dlq.GenericDLQHandler DLQJndiName=queue/DLQ DLQUser=null DLQMaxResent=10): java.lang.NullPointerException
          at org.jboss.jms.client.container.ConnectionAspect.getConnectionState(ConnectionAspect.java:252)
          at org.jboss.jms.client.container.ConnectionAspect.handleSetExceptionListener(ConnectionAspect.java:117)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          at org.jboss.aop.advice.PerInstanceAdvice.invoke(PerInstanceAdvice.java:122)
          at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
          at org.jboss.jms.client.container.ClosedInterceptor.invoke(ClosedInterceptor.java:170)
          at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:86)
          at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
          at org.jboss.jms.client.delegate.ClientConnectionDelegate.setExceptionListener(ClientConnectionDelegate.java)
          at org.jboss.jms.client.JBossConnection.setExceptionListener(JBossConnection.java:116)
          at org.jboss.resource.adapter.jms.inflow.dlq.AbstractDLQHandler.setupDLQConnection(AbstractDLQHandler.java:142)
          at org.jboss.resource.adapter.jms.inflow.dlq.AbstractDLQHandler.setup(AbstractDLQHandler.java:83)
          at org.jboss.resource.adapter.jms.inflow.dlq.JBossMQDLQHandler.setup(JBossMQDLQHandler.java:48)
          at org.jboss.resource.adapter.jms.inflow.JmsActivation.setupDLQ(JmsActivation.java:414)
          at org.jboss.resource.adapter.jms.inflow.JmsActivation.setup(JmsActivation.java:352)
          at org.jboss.resource.adapter.jms.inflow.JmsActivation$SetupActivation.run(JmsActivation.java:730)
          at org.jboss.resource.work.WorkWrapper.run(WorkWrapper.java:172)
          at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33)
          at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:780)
          at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45)
          at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:800)
          at java.lang.Thread.run(Thread.java:619)
          at org.jboss.threads.JBossThread.run(JBossThread.java:122)

       

      ---------------------------------------------------------------------------------------

       

      The following is the code of one of the MDBs. The other MDB's code is  similar.

       

      import javax.annotation.Resource;
      import javax.ejb.ActivationConfigProperty;
      import org.jboss.annotation.ejb.PoolClass;
      import org.jboss.ejb3.Container;

       

       

      @MessageDriven(mappedName="jLog", activationConfig = {
              @ActivationConfigProperty(propertyName = "messagingType", propertyValue = "javax.jms.MessageListener"),
              @ActivationConfigProperty(propertyName="destinationType", propertyValue="javax.jms.Queue"),
              @ActivationConfigProperty(propertyName = "useJNDI", propertyValue = "true"),
              @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
              @ActivationConfigProperty (propertyName="maxMessages", propertyValue="10"),
              @ActivationConfigProperty (propertyName="minSession", propertyValue="10"),
              @ActivationConfigProperty (propertyName="maxSession", propertyValue="10"),
              @ActivationConfigProperty (propertyName="destination", propertyValue="queue/jLog"),
              @ActivationConfigProperty (propertyName="useDLQ", propertyValue="false")

       

          })

       

      public class LogConsumerBean implements MessageDrivenBean, MessageListener {

       

          public LogConsumerBean() {
          }

       

          public void setMessageDrivenContext(MessageDrivenContext mdc) {
          }

       

          public void ejbCreate() {
          }
         
          public void ejbRemove() {
          }

       

          public void onMessage(Message msg) {
              ObjectMessage oMessage = (ObjectMessage) msg;
              try {
                  Log log = (Log) oMessage.getObject();
                  LogServicesImpl logServicesImpl = new LogServicesImpl();
                  logServicesImpl.logSync(log);
              } catch (Exception e) {
                  throw new RuntimeException(e);
              }
          }


      }