Re: thread hang on execute call - Mailing list pgsql-jdbc
From | Pavan Kumar |
---|---|
Subject | Re: thread hang on execute call |
Date | |
Msg-id | 1144411785.17761.41.camel@pavan.psmw Whole thread Raw |
In response to | Re: thread hang on execute call (Dave Cramer <pg@fastcrypt.com>) |
List | pgsql-jdbc |
i am using spring framework. so all are wrapped up in spring call it uses apache dbcp for connection pooling On Fri, 2006-04-07 at 07:26 -0400, Dave Cramer wrote: > Pavan, > > I'd really like to see the java code. It's important to see how you > are handling the connections, exceptions etc. > > Dave > On 7-Apr-06, at 1:07 AM, Pavan Kumar wrote: > > > hi > > i sending procedure as attachments that is called by java program. > > please get it from attachments. > > i creates 15 worker threads and there is queue for job. > > worker threads get job from queue if it there and do some db > > operation. > > and wait if there is no job in queue. there is another thread that > > push > > job in queue. > > since whole processing takes time.....so worker threads always find > > job > > in queue. > > so they run nonstop and make db call to this procedure. > > after around 2 days all threads get stuck one bye one. > > then there is no response from either side. > > worker thread also do some memory intensive operation at their side. > > it could be that threads are running low on memory so then might > > not be > > able to respond postgres process. but jvm doesn't show out of memory. > > and both end are waiting on recv call. > > please tell me if you need more info or the way i should try to > > help you > > people to diagnose problem. > > > > Following two line or from logs > > > > LOG: unexpected EOF on client connection > > LOG: could not receive data from client: Connection reset by peer > > > > well i am not sure when this loggin happened. either after when i > > killed > > java process or before it. > > > > thanks a lot for your nice help. > > > > > > On Thu, 2006-04-06 at 18:35 -0400, Dave Cramer wrote: > >> You're correct it's a guess at this point predicated on the > >> assumption that it works for many others without this flaw. > >> On 6-Apr-06, at 5:12 PM, Oliver Jowett wrote: > >> > >>> Dave Cramer wrote: > >>>> This is most certainly a threading issue. The question is now > >>>> whether it is in the driver or outside the driver. > >>> > >>> Huh? What made you conclude it was definitely a threading issue? > >>> > >>> -O > >>> > >>> ---------------------------(end of > >>> broadcast)--------------------------- > >>> TIP 5: don't forget to increase your free space map settings > >>> > >> > > > > ---------------------------------------------------------------------- > > -- > > Netcore Solutions Pvt. Ltd. > > Website: http://www.netcore.co.in > > Spamtraps: http://cleanmail.netcore.co.in/directory.html > > > > Support FAQ : http://support.netcore.co.in/ > > > > This e-mail contains confidential and/or privileged information. If > > you are not the intended recipient (or have received this e-mail in > > error) please notify the sender immediately and delete this e- > > mail. Any > > unauthorized copying, disclosure, use or distribution of the > > material in > > this e-mail is strictly forbidden. > > > > ---------------------------------------------------------------------- > > -- > > > > <sp_addupdateitem.sql> > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings ------------------------------------------------------------------------ Netcore Solutions Pvt. Ltd. Website: http://www.netcore.co.in Spamtraps: http://cleanmail.netcore.co.in/directory.html Support FAQ : http://support.netcore.co.in/ This e-mail contains confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and delete this e-mail. Any unauthorized copying, disclosure, use or distribution of the material in this e-mail is strictly forbidden. ------------------------------------------------------------------------
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