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From "Knight, Doug" <>
Subject RE: Chat JavaScript example
Date Mon, 14 Sep 2009 18:32:58 GMT
OK, I think I've got it. Now, I've got a barebones sender and receiver pair, based on the example
in the link below. I see the topic get created when I refresh the receiver, and it has a single
consumer, as expected. When I run the sender to send to that topic, I am having issues trying
to issue output to the web page on the receiver from within the message handler. I originally
tried the example using the alert box. The only time I managed to get an alert to work was
when I had an error in the JavaScript contained in the handler. Is there anything special
I need to do to output from the handler? I've tried direct document.writes, alert with simple
text, even jQuery output (both with and without the .ready function. Any suggestions?


-----Original Message-----
From: [] On Behalf Of Dejan Bosanac
Sent: Monday, September 14, 2009 12:34 PM
Subject: Re: Chat JavaScript example

Hi Doug,

ajax client connects to the servlet (called AjaxServlet) that runs inside
jetty (or any other web container) that server like a proxy to the broker.
Therefore, you should all jms related stuff inside your web application.
Take a look at webapps/demo/WEB-INF/web.xml for an example of how to do it.

Dejan Bosanac

Open Source Integration -
ActiveMQ in Action -
Blog -

On Mon, Sep 14, 2009 at 5:45 PM, Knight, Doug <> wrote:

> All,
> From the JavaScript-based chat example, and various all-similar sources for
> how to configure it (i.e. see
> for
> example), I don't understand how the JavaScript client knows what server to
> connect to. There is mentioned some info about adding to the web.xml, but is
> this used by the JavaScript app or the Jetty server on the server side? I've
> tried to "clone" the chat app to model my app after it (accessing a remote
> JMS topic to retrieve XML data, and display on a GIS map), with no success.
> I never get connected to the CHAT.DEMO topic. Any help on configuring both
> the client and server sides for a JavaScript app would be greatly
> appreciated. Once I get this working, I'd even be willing to share detailed
> info on the configuration I had to setup.
> Doug

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