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From quicksilverm26 <emssustain...@yahoo.com>
Subject amq.js not able to do long polling
Date Thu, 12 Aug 2010 08:20:17 GMT

I am trying all that I can to get the integration between actvemq and jetty
going for javascript. I can otherwise any other servlet ( for ex.
MyQueueServlet as mentioned in the docs for activemq\jetty at the site. ) 

I am now trying to queue a few messages using queue with MessageProducer. At
the backend I can see that messages are properly produced and consumed. The
issue is that I am not able to do the same thing in javascript. 

ActiveMQ is running as vm://localhost. 

I have the following lines in index.html of queueTest context .
http://localhost:8080/queueTest/index.html

index.html
<script type="text/javascript">amq.uri = '/queueTest/amq';</script>
<script type="text/javascript">
var myHandler = {
    rcvMessage : function(message) {
   alert("received " + message);
   }
};
 var myId = 'testQueue';
 amq.addListener(myId, 'channel://myQueue', myHandler.rcvMessage);
</script>

_amq.js 

The _amq.js was also modified wherein the uri: '/queueTest/amq',

the web.xml is attached . 

web.xml
As attached in the post http://old.nabble.com/file/p29415487/web.xml web.xml 

QueueProducer
http://old.nabble.com/file/p29415487/AmqDemo.java AmqDemo.java 

The queueProducer is being called by the servlet at the startup to generate
couple of messages. The invocation of queueProducer ( The actual class being
AmqDemo.java is in a separate thread context)

FireBug Info : 
destination=channel://myQueue&message=testQueue&type=listen is the post by
http://localhost:8080/queueTest/amq . This is followed by the timeout get
request and 

http://localhost:8080/queueTest/amq/?timeout=10&_=

both the request are returning with the status 200 but are showing
fileSystem data and not the Ajax Response. 

The data which is returned has request.responseXML as null and a little bit
debugging show that it is coming from line 77 of _amq.js

Could anyone help me in this. I am sure this shouldn't have taken this much
amount of time but unfortunately I am not able to go past this. 

Please let me know if anyone has clues. Let me know if you need any other
info. 

Thanks,
Raj

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