Has anyone had a chance to review this patch yet?  
https://issues.apache.org/activemq/browse/AMQ-2948

thanks,
alex

On Oct 1, 2010, at 8:38 AM, Alex Dean wrote:

> Great, thanks Dejan.
> 
> One issue I have noticed with this change:  Sometimes when I close a browser 
> window which is using amq.js, I start seeing messages like this in my 
> debugging log...
> 
> DEBUG | message for ActiveMQMessageConsumer { 
> value=ID:rutabaga.local-65016-1285865065176-4:3:1:1, started=true 
> }continuation=org.eclipse.jetty.server.asynccontinuat...@267f59c7@IDLE,initial
> DEBUG | Async client internal exception occurred with no exception listener 
> registered: java.lang.IllegalStateException: IDLE,initial
> java.lang.IllegalStateException: IDLE,initial
>       at 
> org.eclipse.jetty.server.AsyncContinuation.dispatch(AsyncContinuation.java:364)
>       at 
> org.eclipse.jetty.server.AsyncContinuation.resume(AsyncContinuation.java:756)
>       at 
> org.apache.activemq.web.AjaxListener.onMessageAvailable(AjaxListener.java:50)
>       at 
> org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1250)
>       at 
> org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:134)
>       at 
> org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:205)
>       at 
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
>       at 
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
> 
> This is repeated periodically, until the cleanup Timer/TimerTask runs, then 
> these messages cease.  It seems like maybe I need to be cleaning up the 
> Continuation used by AjaxListener somehow?  The fact that this only happens 
> for an abandoned web client, and is resolved when the cleanup thread runs, 
> made me think it's not critical, but I'd still like to figure out why it's 
> happening.
> 
> alex
> 
> On Oct 1, 2010, at 3:36 AM, Dejan Bosanac wrote:
> 
>> Thanks Alex,
>> 
>> I'll see to take a look at (and commit) it in the next couple of days.
>> 
>> 
>> Cheers
>> --
>> Dejan Bosanac - http://twitter.com/dejanb
>> 
>> Open Source Integration - http://fusesource.com/
>> ActiveMQ in Action - http://www.manning.com/snyder/
>> Blog - http://www.nighttale.net
>> 
>> 
>> 
>> On Thu, Sep 30, 2010 at 11:14 PM, Alex Dean <a...@crackpot.org> wrote:
>>> I attached a new (and hopefully much-improved) patch to this ticket.  
>>> Reviews appreciated.
>>> 
>>> alex
>>> 
>>> On Sep 28, 2010, at 12:29 PM, Alex Dean wrote:
>>> 
>>>> I just submitted a patch to allow multiple windows in the same browser to 
>>>> send/receive messages via ajax.
>>>> 
>>>> https://issues.apache.org/activemq/browse/AMQ-2948
>>>> 
>>>> alex
>>>> 
>>>> On Sep 13, 2010, at 10:48 AM, Dejan Bosanac wrote:
>>>> 
>>>>> Hi Alex,
>>>>> 
>>>>> with REST API (which shares some common code with Ajax stuff), you can
>>>>> send clientId parameter to create/use client with the specified id
>>>>> (and not be tied to the session). IMHO it should work the same with
>>>>> Ajax API, so you can try with that for starters. If it doesn't work,
>>>>> take a look at MessageListenerServlet
>>>>> 
>>>>> http://fisheye6.atlassian.com/browse/activemq/trunk/activemq-web/src/main/java/org/apache/activemq/web/MessageListenerServlet.java?r=HEAD
>>>>> 
>>>>> as that is where's the most of the server side logic is implemented.
>>>>> 
>>>>> If you need to look at the REST Servlet for the reference, take a look at
>>>>> 
>>>>> http://fisheye6.atlassian.com/browse/activemq/trunk/activemq-web/src/main/java/org/apache/activemq/web/MessageServlet.java?r=HEAD
>>>>> 
>>>>> Cheers
>>>>> --
>>>>> Dejan Bosanac - http://twitter.com/dejanb
>>>>> 
>>>>> Open Source Integration - http://fusesource.com/
>>>>> ActiveMQ in Action - http://www.manning.com/snyder/
>>>>> Blog - http://www.nighttale.net
>>>>> 
>>>>> 
>>>>> 
>>>>> On Mon, Sep 13, 2010 at 3:46 PM, Alex Dean <a...@crackpot.org> wrote:
>>>>>> I'd be interested in attempting a fix for this problem.  Please send 
>>>>>> along
>>>>>> any information you think would help me get started.
>>>>>> 
>>>>>> thanks,
>>>>>> alex
>>>>>> 
>>>>>> On Sep 13, 2010, at 3:25 AM, Dejan Bosanac wrote:
>>>>>> 
>>>>>>> Hi Alex,
>>>>>>> 
>>>>>>> unfortunately this is not supported at the moment as listeners are
>>>>>>> tied to the session. The right approach would be to use some clientId
>>>>>>> defined in your application, like we have for REST and pass it to the
>>>>>>> servlet. If you're interested in taking a stab at implementing this, I
>>>>>>> can point you to the code that should be improved.
>>>>>>> 
>>>>>>> Cheers
>>>>>>> --
>>>>>>> Dejan Bosanac - http://twitter.com/dejanb
>>>>>>> 
>>>>>>> Open Source Integration - http://fusesource.com/
>>>>>>> ActiveMQ in Action - http://www.manning.com/snyder/
>>>>>>> Blog - http://www.nighttale.net
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> On Fri, Sep 10, 2010 at 6:46 PM, Alex Dean <a...@crackpot.org> wrote:
>>>>>>>> 
>>>>>>>> I have been testing a web page displaying activemq data via the AJAX
>>>>>>>> interface with AMQ 5.4.  It works great when I have a single window 
>>>>>>>> open.
>>>>>>>> If I open the same page in a new browser window or tab, the new
>>>>>>>> window/tab
>>>>>>>> updates correctly but the previously-open one stops updating.
>>>>>>>> 
>>>>>>>> Firebug/Firefox in the previously-opened window starts reporting errors
>>>>>>>> like
>>>>>>>> "No handler found to match message with id = display43066495".
>>>>>>>> 'display43066495' is the id used by the newly-opened window.  I had
>>>>>>>> tried
>>>>>>>> ensuring that both windows opened with unique ids, but this hasn't 
>>>>>>>> solved
>>>>>>>> the problem.
>>>>>>>> 
>>>>>>>> I imagine this is due to the fact that both windows share the same
>>>>>>>> session
>>>>>>>> id on the broker.  Is there a way to work around this problem, so I can
>>>>>>>> have
>>>>>>>> multiple windows open to the same amq/ajax-connected page?
>>>>>>>> 
>>>>>>>> thanks,
>>>>>>>> alex
>>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>>> 
>>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
> 
> 

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