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From "Jean-Yves Mengant (JIRA)" <>
Subject [jira] Created: (AMQ-3026) Statistics plugin sample hanging when switching to http transport protocol
Date Tue, 09 Nov 2010 18:25:00 GMT
Statistics plugin sample hanging when switching to http transport protocol

                 Key: AMQ-3026
             Project: ActiveMQ
          Issue Type: Bug
          Components: Transport
    Affects Versions: 5.4.1
            Reporter: Jean-Yves Mengant

When running using HTTP transport connector the provided sample ActiveMQ stat sample hangs
on the :
MapMessage reply = (MapMessage) consumer.receive(); 

to reproduce : 
just use the activeMQ provided sample statistics plugin sample copied below :

      ActiveMQSession session = broker.getSession() ;
      Queue replyTo = session.createTemporaryQueue();
      MessageConsumer consumer = session.createConsumer(replyTo);

      Queue testQueue = session.createQueue("TEST.FOO");
      MessageProducer producer = session.createProducer(null);

      String queueName = "ActiveMQ.Statistics.Destination." + testQueue.getQueueName() ;
      Queue query = session.createQueue(queueName);

      Message msg = session.createMessage();

      producer.send(testQueue, msg) ;
      producer.send(query, msg);
      MapMessage reply = (MapMessage) consumer.receive();

      for (Enumeration e = reply.getMapNames();e.hasMoreElements();) {
          String name = e.nextElement().toString();
          System.err.println(name + "=" + reply.getObject(name));

1) Check that it works  correclty using an ActiveMQ TCPIP based session.  ===> OK
2) just replace the ActiveMQ TCPIP based session by an HTTP transport session.  ===> KO

The sample will remain unresponsive on the : MapMessage reply = (MapMessage) consumer.receive();
instruction then.

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