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javajms-topicjboss-4.0.x

JMS Topic on Jboss 4.0.2

I have to change the configuration of an already setup jboss 4.0.2 environment. the Topic that was already established, it needed a name change. so i changed it in the places it needed like properties files under /home/jboss-4.0.2/server/myappinstance/conf/ and the main jboss service.xml files which listed the Topic

mytopic-Destination-service.xml

<server>
  <!-- event publish destination -->
  <mbean code="org.jboss.mq.server.jmx.Topic"
     name="jboss.mq.destination:service=Topic,name=myTopic">
    <depends optional-attribute-name="DestinationManager">jboss.mq:service=DestinationManager</depends>
  </mbean>

</server>

and myapp-jms-destinations-service.xml ( pretty much the same thing, not sure why it was originally splitted out)

<?xml version="1.0" encoding="UTF-8"?>
<server>
    <mbean code="org.jboss.naming.NamingAlias" name="jboss.mq:service=NamingAlias,fromName=issues/incomingEvent">
                    <attribute name="ToName">topic/myTopic</attribute>
                    <attribute name="FromName">issues/incomingEvent</attribute>
            </mbean>
   </server

> the error i get in the jboss log is like:

    org.jboss.deployment.DeploymentException: Error during topic setup; - nested throwable: (org.jboss.mq.SpyJMSException: Cannot subscribe to this Destination: ; - nested throwable: (java.lang.NullPointerException)) 
.........
 ......
 .... 

Caused by: org.jboss.mq.SpyJMSException: Cannot subscribe to this Destination: ;
    - nested throwable: (java.lang.NullPointerException)
            at org.jboss.mq.SpyJMSException.getAsJMSException(SpyJMSException.java:66)
            at org.jboss.mq.SpyJMSException.rethrowAsJMSException(SpyJMSException.java:51)
            at org.jboss.mq.Connection.addConsumer(Connection.java:835)
            at org.jboss.mq.SpyConnectionConsumer.<init>(SpyConnectionConsumer.java:95)
            at org.jboss.mq.SpyConnection.createDurableConnectionConsumer(SpyConnection.java:156)
            at org.jboss.ejb.plugins.jms.JMSContainerInvoker.innerCreate(JMSContainerInvoker.java:789)
            ... 140 more Caused by: java.lang.NullPointerException
            at org.jboss.mq.sm.AbstractStateManager.setDurableSubscription(AbstractStateManager.java:134)
            at org.jboss.mq.server.JMSTopic.addSubscriber(JMSTopic.java:95)
            at org.jboss.mq.server.ClientConsumer.addSubscription(ClientConsumer.java:133)
            at org.jboss.mq.server.JMSDestinationManager.subscribe(JMSDestinationManager.java:596)

if you notice where it says : org.jboss.mq.SpyJMSException: Cannot subscribe to this Destination: ;

there is a space between 'Destination:' and ';' meaning the name of the destination is null. Now when i use the original name which was LP1 it was fine when i change it to myTopic it gives me this error. I searched on this issue and it seems it is a config issue but i cant seem to pin point where the issue is.

I checked the code the topic name is not hardcoded in the code either. i removed the work and tmp directories as well just to remove any cached configs.

Solution

  • Did you remove the messaging database files? Or, did you unsubscribe the subscription to the topics original name? I'm thinking that the code knows about the subscription the the original topic name, but a topic with that name no longer exists.