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| JMS pub/sub with multiple queues |
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| pomeroy8 |
 Posted: Thu Sep 12, 2002 1:12 pm Post subject: JMS pub/sub with multiple queues |
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Novice
Joined: 25 Jun 2001
Posts: 21
Location: Markham, ON Canada
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Sorry for long post, hope all relevant information is provided. I can post the code if required.
I have MQ v5.2, MA88, and MA0C all running and configured on my W2K box. I am developing, sample, JMS code using WSAD. I started with Willy Farrell's excellent tutorials from developerworks.
I have successfully created P2P and pub/sub applications. I have created multiple durable subscriptions by setting the clientID as part of the createDurableSubscriber call. All subscription messages going to a single queue. The code was working prior to me attempting multiple queues for durable subscriptions. I think that eliminates installation and configuration problems (eg: classpath, ...).
I am now trying to setup multiple queues, as per Using Java manual, page 197-198. I used the JMSAdmin tool to set the BROKERDURSUBQ as follows:
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| Code: |
InitCtx/mq> dis ctx
Contents of InitCtx/mq
a Poetry com.ibm.mq.jms.MQTopic
a Linux com.ibm.mq.jms.MQTopic
a MyQCF com.ibm.mq.jms.MQQueueConnectionFactory
a AllBooks com.ibm.mq.jms.MQTopic
a Java com.ibm.mq.jms.MQTopic
a MyQueue com.ibm.mq.jms.MQQueue
a Cyberpunk com.ibm.mq.jms.MQTopic
a AllComputers com.ibm.mq.jms.MQTopic
a MyTCF com.ibm.mq.jms.MQTopicConnectionFactory
a AllTopics com.ibm.mq.jms.MQTopic
10 Object(s)
0 Context(s)
10 Binding(s), 10 Administered
InitCtx/mq> alter t(Linux) BDSUB(SYSTEM.JMS.D.SUBSCRIBER.LINUX.*)
InitCtx/mq> dis t(Linux)
BROKERDURSUBQ(SYSTEM.JMS.D.SUBSCRIBER.LINUX.*)
BROKERVER(V1)
PERSISTENCE(APP)
CCSID(1208)
TARGCLIENT(JMS)
ENCODING(NATIVE)
BROKERCCDURSUBQ(SYSTEM.JMS.D.CC.SUBSCRIBER.QUEUE)
PRIORITY(APP)
EXPIRY(APP)
VERSION(1)
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The code did work prior to me changing the JNDI objects. Running my applicaiton I get the following error: 
| Code: |
javax.jms.JMSException: MQJMS1031: an internal error has occurred. Please contact your system administrator.
at com.ibm.mq.jms.services.ConfigEnvironment.newException(ConfigEnvironment.java:530)
at com.ibm.mq.jms.MQMigrateSubscriptionEngine.openDurableSubscription(MQMigrateSubscriptionEngine.java:815)
at com.ibm.mq.jms.MQTopicSession.createDurableSubscriber(MQTopicSession.java:755)
at com.ibm.mq.jms.MQTopicSession.createDurableSubscriber(MQTopicSession.java:594)
at Pub_Sub.DurSubJMSTextMessage.subscribe(DurSubJMSTextMessage.java:93)
at Pub_Sub.DurSubJMSTextMessage.main(DurSubJMSTextMessage.java:14) |
I was expecting to "see" a new queue in the MQExplorer SYSTEM.JMS.D.SUBSCRIBER.LINUX....
Any suggestions.
Thanks in advance |
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| pomeroy8 |
| Posted: Fri Sep 13, 2002 8:33 am Post subject: |
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Novice
Joined: 25 Jun 2001
Posts: 21
Location: Markham, ON Canada
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| Restarting WSAD test server solved problem ... go figure. thx |
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