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From Dejan Bosanac <>
Subject Re: messages sent via stomp are not received in ajax client
Date Mon, 12 Jul 2010 05:48:46 GMT
Hi Alex,

I think it's a bigger problem to pass and handle byte[] content in
JavaScript. All patches are welcomed, of course :)

Dejan Bosanac -

Open Source Integration -
ActiveMQ in Action -
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On Fri, Jul 9, 2010 at 11:55 PM, Alex Dean <> wrote:
> On Jul 9, 2010, at 3:44 PM, Alex Dean wrote:
>> On Jul 9, 2010, at 1:50 PM, Alex Dean wrote:
>>> I have a Ruby script which publishes a message to an ActiveMQ topic via
>>> Stomp.  I'm attempting to send these messages to the topic used by the demo
>>> chat.html included in ActiveMQ, so I'm using the XML message format expected
>>> by that page.  chat.html is this one :
>> My problem appears to be the same one described here :
>> Stomp messages which include a content-length header are converted to
>> BytesMessages by ActiveMQ.  Messages without a content-length header are
>> converted to TextMessages.  TextMessages are delivered to JavaScript OK via
>> AJAX, but BytesMessages are not.
>> If I hack the Ruby stomp code to not send a content-length header, my
>> Ruby-published messages start appearing in chat.html.  Is there a better way
>> to solve this problem?
> For a little more background, says
> that Stomp messages lacking a content-length header are converted to JMS
> TextMessage instances.  Messages containing a content-length header are
> converted to BytesMessage instances. makes no
> attempt to send a BytesMessage to an ajax client, hence the empty message
> when content-length is present.
> See writeMessageResponse in this class:
> I'm trying to determine if it's feasible to try to handle BytesMessage
> instances in MessageListenerServlet.  Perhaps via BytesMessage.readUTF8()?
>  I'm not very familiar with ActiveMQ or JMS, so I'm not sure what the
> implications of this might be.
> thanks,
> alex

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