Looking at the stacktrace, i get the feeling that the 'java.lang.IllegalStateException: Response has already been committed' exception is getting thrown while rendering the exception page.
I can't really make out the root cause of this, i.e. what exception the original page throws. Vinicius Carvalho wrote: > Hello there! Few weeks ago I've post a concern about having > opensession in view filter (both spring and hivemind approach) on a > very requested web page. > When we ran our stress test today, we got thousands of the following > exceptions below (we had a few hundred of users accessing the > application, average of 50 requests/second). > > Well, since Spring filter is at the bottom of the stack, I believe he > is the one to blame. So we need to remove the opensession for the chat > pages, that are readonly and got thousands > of ajax requests... > > The first Ideia I got in mind is simply dumping tapestry for it and > using pure servlets. > I'm pretty worried with the whole sequence of events: > > browser -> Spring Filter -> Tapestry Servlet -> Engine Service -> Page > -> EngineService -> Spring Filter -> browser > > And using a servlet I'd have: > > browser -> Servlet -> browser > > Please I'm not by any means criticizing Tapestry. I just would like to > hear from you gurus, if my concern is valid. And if that exception > thrown by tapestry will compromise my application, for example not > returning an exception. > > Regards > > ERROR ApplicationServerThread-16 > org.apache.tapestry.web.ServletWebResponse - Unable to reset response > buffer: Response has already been committed > java.lang.IllegalStateException: Response has already been committed > at > com.evermind.server.http.EvermindHttpServletResponse.resetBuffer(EvermindHttpServletResponse.java:1848) > > at > com.evermind.server.http.EvermindHttpServletResponse.reset(EvermindHttpServletResponse.java:1874) > > at com.evermind.server.http.EvermindHttpServletResponse.reset > (EvermindHttpServletResponse.java:1842) > at > org.apache.tapestry.web.ServletWebResponse.reset(ServletWebResponse.java:128) > > at > org.apache.tapestry.web.ServletWebResponse.getPrintWriter(ServletWebResponse.java:90) > > at $WebResponse_10d7962d0da.getPrintWriter($WebResponse_10d7962d0da.java) > at $WebResponse_10d7962cfb6.getPrintWriter($WebResponse_10d7962cfb6.java) > at org.apache.tapestry.services.impl.ResponseRendererImpl.renderResponse > (ResponseRendererImpl.java:67) > at > $ResponseRenderer_10d7962cfce.renderResponse($ResponseRenderer_10d7962cfce.java) > > at > org.apache.tapestry.error.ExceptionPresenterImpl.presentException(ExceptionPresenterImpl.java:46) > > at > $ExceptionPresenter_10d7962cfbe.presentException($ExceptionPresenter_10d7962cfbe.java) > > at > org.apache.tapestry.engine.AbstractEngine.activateExceptionPage(AbstractEngine.java:121) > > at org.apache.tapestry.engine.AbstractEngine.service > (AbstractEngine.java:280) > at > org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeEngineTerminator.java:60) > > at > $WebRequestServicer_10d7962d016.service($WebRequestServicer_10d7962d016.java) > > at > $WebRequestServicer_10d7962d012.service($WebRequestServicer_10d7962d012.java) > > at > org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service(WebRequestServicerPipelineBridge.java:56) > > at > $ServletRequestServicer_10d7962cff8.service($ServletRequestServicer_10d7962cff8.java) > > at > org.apache.tapestry.request.DecodedRequestInjector.service(DecodedRequestInjector.java:55) > > at > $ServletRequestServicerFilter_10d7962cff4.service($ServletRequestServicerFilter_10d7962cff4.java) > > at > $ServletRequestServicer_10d7962cffa.service($ServletRequestServicer_10d7962cffa.java) > > at > org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDecoderFilter.java:52) > > at > $ServletRequestServicerFilter_10d7962cff2.service($ServletRequestServicerFilter_10d7962cff2.java) > > at > $ServletRequestServicer_10d7962cffa.service($ServletRequestServicer_10d7962cffa.java) > > at > org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequestEncoding.java:53) > > at > $ServletRequestServicerFilter_10d7962cff6.service($ServletRequestServicerFilter_10d7962cff6.java) > > at > $ServletRequestServicer_10d7962cffa.service($ServletRequestServicer_10d7962cffa.java) > > at > $ServletRequestServicer_10d7962cfec.service($ServletRequestServicer_10d7962cfec.java) > > at > org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:123) > > at org.apache.tapestry.ApplicationServlet.doGet > (ApplicationServlet.java:79) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:743) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) > at com.evermind.server.http.ResourceFilterChain.doFilter > (ResourceFilterChain.java:64) > at > org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174) > > at org.springframework.web.filter.OncePerRequestFilter.doFilter > (OncePerRequestFilter.java:77) > at > com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:629) > > at > com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java > > :376) > at > com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870) > > at > com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451) > > at com.evermind.server.http.HttpRequestHandler.serveOneRequest > (HttpRequestHandler.java:218) > at > com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:119) > > at > com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112) > > at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run > (ServerSocketReadHandler.java:260) > at > com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303) > > at java.lang.Thread.run(Thread.java:595) > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Andreas Andreou - [EMAIL PROTECTED] - http://andyhot.di.uoa.gr Tapestry / Tacos developer Open Source / J2EE Consulting --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
