Salut,
Baechinger, Marc wrote:
> Hi Jean-Francois
>
> I did some further investigations and found the problem. Some classes are twice in the grizzly-optionals.jar. So problem has been solved by switch my import statements to com.sun.grizzly.comet.CometContext and CometEngine instead of com.sun.enterprise.web.connector.grizzly.comet.Foo:
>
> import com.sun.enterprise.web.connector.grizzly.comet.CometContext; ->
> import com.sun.grizzly.comet.CometContext;
> import com.sun.enterprise.web.connector.grizzly.comet.CometEngine; ->
> import com.sun.grizzly.comet.CometEngine;
>
> Seems as if I had imported the wrong classes in a hurry. Many thanks for bring my on the right track.
Thanks to you! It seems we have an issue with class written with v2
package name. I will work on that. Happy to learn you found a solution!
Thanks again!
-- Jeanfrancois
>
> Cheers
> Marc
>
>
>
> P.S. Aktuelle Veranstaltungen: www.zuehlke.com/events
>
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> -----Original Message-----
> From: Jeanfrancois.Arcand_at_Sun.COM [mailto:Jeanfrancois.Arcand_at_Sun.COM]
> Sent: Freitag, 23. Januar 2009 02:21
> To: users_at_grizzly.dev.java.net
> Subject: Re: BayeuxCometHandler not to be casted to CometHandler?
>
> Salut,
>
> apology for the delay...lllloong day at Sun (riff :-()
>
> Marc Bächinger wrote:
>> Hi
>>
>> I'm currently developing an application for which I would like to use
>> the Bayeux protocol of Grizzly/Glassfish. I have the chat application
>> of Carol McDonald working. So I can write message from one browser to
>> the CometdDervlet which broadcast it to the other clients subscribed
>> to that channel.
>>
>> Based on this I tried to implement my own CometdServlet for which I
>> just copied the code out of the Glassfishh source code repository to
>> start with. To my surprise the server throws an ClassCastException
>> when the servlet is called:
>>
>> java.lang.ClassCastException:
>> com.sun.grizzly.cometd.BayeuxCometHandler
>> cannot be cast to
>> com.sun.enterprise.web.connector.grizzly.comet.CometHandler
>> at
>> com.sun.enterprise.web.connector.grizzly.comet.CometContext.getCometHa
>> ndler(CometContext.java:95)
>> at
>> com.sun.enterprise.web.connector.grizzly.comet.CometContext.notify(Com
>> etContext.java:150) at
>> com.sun.grizzly.cometd.EventRouterImpl.route(EventRouterImpl.java:98)
>> [...]
>>
>> That puzzles my because I checked out the BayeuxCometHandler source.
>> It extends the BayeuxBaseHandler (or similar) which does implement the
>> CometHandler interface. So I do not understand why there is a
>> ClassCasrtException.
>>
>> Did someone of you guys have similar problems? Do I have a library mismatch?
>>
>> I'm using Glassfish V3 prelude. In the IDE I added the
>> grizzly-optionals.jar linrary to make it compile.
>
> I think it could be a classloader issues with OSGI. Can you file an issue here:
>
> https://grizzly.dev.java.net/issues/
>
> and attach your test case? Where is your implementation class located?
> Inside grizzly-optionals?
>
> Thanks
>
> -- jeanfrancois
>
>
>> Any ideas?
>>
>> many thanks
>> marc
>
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