Hi Andrea,
Thnakyou verymuch for control flow configartion advise. I will definitely
implement.
Regards,
Hari.
On Thu, May 12, 2011 at 2:07 PM, Andrea Aime
<andrea.a...@geo-solutions.it>wrote:
> On Thu, May 12, 2011 at 4:23 AM, Ben Caradoc-Davies
> <ben.caradoc-dav...@csiro.au> wrote:
> > Hari's full logs are too large for the list, so I have included some
> > excepts of the geoserver, catalina, and localhost logs. Ideas, anyone?
> >
> >
> > The geoserver log contains hundreds of these:
> >
> > 11 May 04:02:17 INFO [geoserver.ows] - Problem writing exception
> > information back to calling client:
> > ClientAbortException: java.net.SocketException: Broken pipe
> > at
>
> This is a client shutting down the connection in GS face. Nothing to worry
> about
> (indeed it is reported just at INFO level, not warn or error)
>
> > 10-May-2011 09:27:25.987 SEVERE
> > org.apache.catalina.connector.CoyoteAdapter.service An exception or
> > error occurred in the container during the request processing
> > java.lang.IllegalStateException: Cannot call sendRedirect() after the
> > response has been committed
> > at
> org.apache.catalina.connector.Response.sendRedirect(Response.java:1331)
> > at
> >
> org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:509)
> > at
> >
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:296)
> > at
> >
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
> > at
> >
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
> > at
> >
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:409)
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> > at java.lang.Thread.run(Thread.java:662)
> >
>
> This one might have some merit, thought only the GUI uses redirects
> afaik, so not
> a concern for services.
>
>
> > localhost log contains:
> >
> > 10-May-2011 09:27:31.272 SEVERE
> > org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service()
> > for servlet dispatcher threw exception
> > java.lang.IllegalStateException
> > at
> >
> org.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:435)
> > at
> >
> javax.servlet.http.HttpServletResponseWrapper.sendRedirect(HttpServletResponseWrapper.java:126)
> > at
>
>
> Same as before, a failing redirect, but not sure why.
>
> None of these error are patologic.
>
> If the GS was not responding at some point and then started responding
> afterwards it might just be sign of an overload, too much requests
> in parallel for the connection pool to handle them in parallel, maybe
> some of them very long lived and were keeping the connections busy
> for a long time.
>
> If this is the case it's more a case of dimensioning the connection pool
> according to the load one wants to handle, setting the service limits
> accordingly, and using control-flow to make sure GeoServer does not
> try to bite more than it can chew.
>
> Cheers
> Andrea
>
> --
> -------------------------------------------------------
> Ing. Andrea Aime
> GeoSolutions S.A.S.
> Tech lead
>
> Via Poggio alle Viti 1187
> 55054 Massarosa (LU)
> Italy
>
> phone: +39 0584 962313
> fax: +39 0584 962313
>
> http://www.geo-solutions.it
> http://geo-solutions.blogspot.com/
> http://www.youtube.com/user/GeoSolutionsIT
> http://www.linkedin.com/in/andreaaime
> http://twitter.com/geowolf
>
> -------------------------------------------------------
>
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