Re: [xmlblaster] locking bug

[Marcel Ruff <mr at marcelruff.info>]

Hi again,

i think our mails crossed, I came to the same result.

I hope i find a solution for this as one session can be in touch with
many topics and vice versa ...

Marcel

Póka Balázs schrieb:
> Hi,
>
> The previous mail was missing the thread which was locking the 
> instance of org.xmlBlaster.engine.SessionInfo.lock, so here it is:
>
> 2008-10-28 12:32:27,613 ERROR [XmlBlaster.SessionTimer] 
> (DebugReentrantLock.java:51) - failed to lock() at
> java.lang.Exception
>         at 
> org.xmlBlaster.debug.DebugReentrantLock.tryLock(DebugReentrantLock.java:51)
>         at 
> org.xmlBlaster.engine.TopicAccessor$TopicContainer.lock(TopicAccessor.java:416)
>         at 
> org.xmlBlaster.engine.TopicAccessor.access(TopicAccessor.java:93)
>         at 
> org.xmlBlaster.engine.MsgUnitWrapper.toDestroyed(MsgUnitWrapper.java:595)
>         at 
> org.xmlBlaster.engine.MsgUnitWrapper.incrementReferenceCounter(MsgUnitWrapper.java:279)
>         at 
> org.xmlBlaster.engine.queuemsg.ReferenceEntry.incrementReferenceCounter(ReferenceEntry.java:191)
>         at 
> org.xmlBlaster.engine.queuemsg.ReferenceEntry.removed(ReferenceEntry.java:230)
>         at 
> org.xmlBlaster.util.queue.ram.RamQueuePlugin.clear(RamQueuePlugin.java:241)
>         at 
> org.xmlBlaster.authentication.Authenticate.resetSessionInfo(Authenticate.java:806)
>         at 
> org.xmlBlaster.authentication.Authenticate.disconnect(Authenticate.java:557)
>         at 
> org.xmlBlaster.authentication.AuthenticateProtector.disconnect(AuthenticateProtector.java:119)
>         at 
> org.xmlBlaster.authentication.SessionInfo.timeout(SessionInfo.java:462)
>         at org.xmlBlaster.util.Timeout.run(Timeout.java:190)
>
> That in turn means that the cause is probably:
>
> 1) org.xmlBlaster.engine.SessionInfo.lock locked at 
> org.xmlBlaster.authentication.SessionInfo.timeout(SessionInfo.java:462) 
> trying to lock 
> org.xmlBlaster.authentication.TopicAccessor.TopicContainer.lock;
>
> 2) org.xmlBlaster.authentication.TopicAccessor.TopicContainer.lock 
> locked at 
> org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1679) 
> trying to lock org.xmlBlaster.engine.SessionInfo.lock at 
> org.xmlBlaster.engine.TopicHandler.forwardToDestinations(TopicHandler.java:844).
>
> regards,
> Balázs Póka


--
Marcel Ruff
http://www.xmlBlaster.org
http://watchee.net
Phone: +49 7551 309371