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 >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>>> >>> >>> >> > >