...

• Open Admin Studio
• Login through FMQ-JMX and traverse to Fiorano > mq > pubsub > PubSubManager > TopicSubSystem > config.
• Modify 'the UseTopicIDBaseForSharedSubs' parameter parameter
• Save configuration and restart server

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31.12.2 Offline Configuration

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If this 'boolean' parameter is set to true (default value - false), the secondary client identifier will have the topic's name within it. In such a case, rather than using the normal way to unsubscribe a durable subscription from client application using only the subscription name, it must be done in the following way -

Java

TopicConnection topicConnection = topicConnectionFactory.createTopicConnection();
TopicSession topicSession = topicConnection.createTopicSession(false, 1);
MessageConsumer tsub = topicSession.createSharedDurableConsumer(topic, "Sample_Durable_Subscriber");
..
topicSession.unsubscribe(topicName, "Sample_Durable_Subscriber"); //changed

CPP

m_tc = m_tcf->createTopicConnection(m_usrName, m_usrPasswd);
m_ts = m_tc->createTopicSession(FALSE, AUTO_ACKNOWLEDGE);
m_subscriber = m_ts->createSharedDurableConsumer(m_topic,
"Sample_Durable_Subscriber");
..
m_ts->unsubscribe(topicName, "Sample_Durable_Subscriber"); //changed