[jboss-user] [JBoss Messaging] - Re: Remove old durable messages

[hzfzl9]

I'm appreciated your response.

This message is regarding of using TopicService class.  
I have JBoss Messaging currently running with durable subscribers are subscribing to the Durable Topic.  As you mentioned, we could use TopicMBean which is an 'interface' and TopicService that is implementing the TopicMBean.  
However, when I tested the following codes it returned a NullPointerException.
     TopicService service = new TopicService();
      List list = service.listDurableMessages("sub-id");

list is returned as Null, even though there are durable messages in the DB table and Topic.
What have I missed from using the TopicService class?  

Thanks again.

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