[jboss-user] [JBoss Messaging] - Question on understanding durable subsciber
CarstenRudat
do-not-reply at jboss.com
Mon Mar 23 16:27:13 EDT 2009
Hi all,
I have a question on duralbe subscriptions. I create subscription with the following code:
| TopicConnectionFactory tcf = ...
| TopicConnection conn = tcf.createTopicConnection(user, pw);
| Topic topic = (Topic) iniCtx.lookup(...);
| TopicSession session = conn.createTopicSession(false, TopicSession.AUTO_ACKNOWLEDGE);
| conn.start();
| TopicSubscriber recv = session.createDurableSubscriber(topic, suscrId);
|
If anything with my client fails and I cannot stop conn or session and I again try the above code, I will get an error (IllegalStateException "Cannot create a subscriber on the durable subscription since it already has subscriber(s)").
What could I do now? I tried to unsubscribe, but then, I get a second IllegalStateException "Cannot unsubscribe durable subscription <my subsciption id> since it has active subscribers" (JBM says, that there is an active subscriber... but it's not active, since my client crashed...). If I restart the JBoss Server everythink is ok.
I cannot find it in the JavaDoc/JEE Tutorial, so I wounder what I'm doing wrong.
Any advice?
Thank you,
Carsten
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