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MQSeries.net Forum Index » IBM MQ Java / JMS » Why does my subscriber need a valid Publish queue?

Why does my subscriber need a valid Publish queue?

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granthmuk

Posted: Mon Apr 15, 2002 7:13 am Post subject:

Apprentice

Joined: 16 May 2001
Posts: 38
Location: Edinburgh, Scotland

We are currently testing use of JMS for pubsub with MQSI as the pubsub broker. It is working, but we don't understand why we need to set the BrokerPubQueue on the MQTopicConnectionFactory object, if we don't set this it does not work. By not working I mean there are no errors or exceptions but also no publications are received by the subscriber. But it also does not make much sense (not to me anyway). We are not using JNDI but assigning all attributes in the code e.g.

Code:

com.ibm.mq.jms.MQTopicConnectionFactory tcf = new com.ibm.mq.jms.MQTopicConnectionFactory();
   tcf.setTransportType(com.ibm.mq.jms.JMSC.MQJMS_TP_CLIENT_MQ_TCPIP);
   tcf.setQueueManager("QMI1");
   tcf.setBrokerQueueManager("QMI1");
   tcf.setBrokerControlQueue("SYSTEM.BROKER.CONTROL.QUEUE");

   tcf.setBrokerPubQueue("DEVT.PUBLISH"); // <<<<<<<<<<WHY?

Can anyone explain why this is required for a subscriber? I understand its use for a publisher.

Cheers

_________________
Grant Marshall

[ This Message was edited by: granthmuk on 2002-04-15 08:17 ]

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