On 19/07/2010 10:50, Luciano Fioriti wrote: > May be, but i do notthink so.
Again, you are way off-base here. Hitting the max threads in the connector has nothing to do with errors in session replication. Mark > > This errors : > "SEVERE: Manager [localhost#/urs]: Unable to receive message through TCP > channel > > java.lang. > IllegalStateException: removeAttribute: Session already > invalidated" > > may dependds on tomcat failure > and i see in the Receiver configuration: > > <Receiver ... > maxThreads="6"/> > > > 2010/7/16 Mark Thomas <ma...@apache.org> > >> On 16/07/2010 14:50, Luciano Fioriti wrote: >> >>> I had done a stress test with 20 contemporary request to a web app using >>> tomcat6 6bit. >>> When maxThreads=200 tomcat gave response to only some request then went >>> to >>> 0 cpu time >>> no more response, nothing on log file. >>> This happenend only on contemporary requests (max threads reched i >>> presume). >>> Increasing maxThreads to 250 all request were satisfied. >>> >> >> Which has absolutely nothing to do with the error Matt is reporting. >> >> There are various things that look odd in the statements above but this >> thread isn't the place to go into that. >> >> Mark >> >> >> >>> Lucio >>> >>> 2010/7/16 Mark Thomas<ma...@apache.org> >>> >>> On 16/07/2010 14:19, Luciano Fioriti wrote: >>>> >>>> It may be caused by maxThreads parameter in http connector, try to >>>>> increase >>>>> >>>>> >>>> On what basis are you reaching that conclusion? >>>> >>>> Mark >>>> >>>> >>>> >>>> >>>> lucio >>>>> >>>>> 2010/7/16 Mark Thomas<ma...@apache.org> >>>>> >>>>> On 16/07/2010 06:49, Matt Peterson wrote: >>>>> >>>>>> >>>>>> While load testing our clustered Tomcats, we are seeing the following >>>>>> >>>>>>> stack >>>>>>> trace in our catalina.out occasionally, but not regularly: >>>>>>> >>>>>>> >>>>>>> >>>>>>> Jul 16, 2010 3:34:49 PM org.apache.catalina.ha.session.DeltaManager >>>>>>> messageReceived >>>>>>> >>>>>>> SEVERE: Manager [localhost#/urs]: Unable to receive message through >>>>>>> TCP >>>>>>> channel >>>>>>> >>>>>>> java.lang.IllegalStateException: removeAttribute: Session already >>>>>>> invalidated >>>>>>> >>>>>>> >>>>>>> <snip/> >>>>>> >>>>>> >>>>>> Under what conditions would this occur? Could it be that a session >>>>>> diff >>>>>> is >>>>>> >>>>>> being transmitted, but the session it relates to has been invalidated >>>>>>> by >>>>>>> the >>>>>>> time the diff is processed (via a user logout for example)? Or could >>>>>>> it >>>>>>> be >>>>>>> that a timeout has been reached??? >>>>>>> >>>>>>> >>>>>>> Someone at $work has been doing a load test with tc Server (which has >>>>>> identical code to Tomcat in this area) and seen the same issue. I know >>>>>> it >>>>>> isn't due to timeout since the sessions are only a few seconds old when >>>>>> it >>>>>> happens. My current guess is that the messages are not being processed >>>>>> in >>>>>> the same order as they are sent. I need to dig into this more to figure >>>>>> out >>>>>> if this is a configuration issue or a bug. >>>>>> >>>>>> I did wonder if switching to channel send options 6 would fix it. I'll >>>>>> get >>>>>> them to try that and see. >>>>>> >>>>>> Mark >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> --------------------------------------------------------------------- >>>>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>>> For additional commands, e-mail: users-h...@tomcat.apache.org >>>> >>>> >>>> >>> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
