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From "Thomas Johnson (JIRA)" <>
Subject [jira] Created: (AMQCPP-166) MapMessage does not send mapped fields
Date Wed, 06 Feb 2008 13:34:35 GMT
MapMessage does not send mapped fields

                 Key: AMQCPP-166
             Project: ActiveMQ C++ Client
          Issue Type: Bug
          Components: Openwire
    Affects Versions: 2.1.3
         Environment: 32-bit XP client with client compiled under VS 2005, ActiveMQ v5.0 is
running on a 32-bit Windows 2003 server.
            Reporter: Thomas Johnson
            Assignee: Nathan Mittler

Modified the vs2005-activemq-example's HelloWorldProducer to use a map message:

				MapMessage *message=session->createMapMessage();
                producer->send( message );

and the HelloWorldConsumer to receive it:

			const MapMessage * mapMessage=
				dynamic_cast<const MapMessage *>(message);
			if (mapMessage!=NULL) {
				int num=mapMessage->getInt("MsgNum");
				printf("Msg #%d from thread %s\n",num,mapMessage->getString("Thread").c_str());
			} else {
				printf("Not a map message\n");

The getInt with Msgnum throw a field not in map exception.   After closer inspection, the
map was empty.   Also, while not an expert in the code, but I tried tracing it through the
producer->send and as far as I could tell, the map was never marshalled.

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