We had the same problem, and it had to do with the MRUStore which is not thread safe in 2.0.1 and 2.0.2.
I suggest you try the latest cvs version which is (paranoid) synchronized. This solved our problem with a hanging (dead) Cocoon. Carsten > -----Original Message----- > From: Michael Wechner [mailto:[EMAIL PROTECTED]] > Sent: Friday, April 05, 2002 2:08 PM > To: [EMAIL PROTECTED] > Subject: Re: Load test with ab > > > Where do I find sitemap_xmap.java? Within the work directory of Tomcat? > If so, then I can't tell, because I deleted it unfortunately. > But I can do another load test! > > Thanks for your help > > Michael > > > > Vadim Gritsenko wrote: > > > What is in these lines? > > > > org.apache.cocoon.www.sitemap_xmap.process(sitemap_xmap.java:2099) > > org.apache.cocoon.www.sitemap_xmap.process(sitemap_xmap.java:2071) > > > > Vadim > > > > > >>-----Original Message----- > >>From: Michael Wechner [mailto:[EMAIL PROTECTED]] > >>Sent: Thursday, April 04, 2002 9:37 AM > >>To: [EMAIL PROTECTED] > >>Subject: Load test with ab > >> > >>Hi > >> > >>We did a load test of Cocoon 2.0.1 with "ab" from Apache. > >> > >>Everything is fine when we do Concurrency 1 or 3 > >>(ab -n 100000 -c 3) > >>and performance looks good (pretty much the same as Zope). > >> > >>But when we set Concurrency 10 we run into trouble. > >>Cocoon seems to stop running after a certain time and is throwing > >>various Exceptions. And it doesn't recover (to recover we have to > >>restart Tomcat). > >> > >>But Tomcat is still running perfectly althought Cocoon doesn't work > >>anymore. > >> > >>So I guess it must have something to do with Caching in the memory! > >> > >>Any help is very much appreciated. > >> > >>Thanks > >> > >>Michael > >> > >> > >> > >> > >> > >> > >>==> error.log.000003 <== > >>ERROR (2002-04-04) 16:33.01:693 [access] (/wyona-cms/) > >>HttpProcessor[8080][2]/CocoonServlet: Problem with servlet > >>java.lang.NullPointerException > >> at > >>org.apache.cocoon.www.sitemap_xmap.process(sitemap_xmap.java:2099) > >> at > >>org.apache.cocoon.www.sitemap_xmap.process(sitemap_xmap.java:2071) > >> at > >> > > org.apache.cocoon.sitemap.Handler.process(Handler.java:173) > > > >> at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:115) > >> at > >> > >> > > org.apache.cocoon.sitemap.SitemapManager.process(SitemapManager.java:144 > > ) > > > >> at org.apache.cocoon.Cocoon.process(Cocoon.java:605) > >> at > >> > >> > > org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:795) > > > >> at > >> > > javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > > > >> at > >> > >> > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown > > > >>Source) > >> at > >>org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown > >> > > Source) > > > >> at > >> > > org.apache.catalina.core.StandardWrapperValve.invoke(Unknown > > > >>Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.core.StandardPipeline.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.ContainerBase.invoke(Unknown > >> > > Source) > > > >> at > >> > > org.apache.catalina.core.StandardContextValve.invoke(Unknown > > > >>Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.core.StandardPipeline.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.ContainerBase.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.StandardContext.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.StandardHostValve.invoke(Unknown > >>Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at > >>org.apache.catalina.valves.ErrorDispatcherValve.invoke(Unknown Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown > >>Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.valves.AccessLogValve.invoke(Unknown > >> > > Source) > > > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.core.StandardPipeline.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.ContainerBase.invoke(Unknown > >> > > Source) > > > >> at > >> > > org.apache.catalina.core.StandardEngineValve.invoke(Unknown > > > >>Source) > >> at > >> > > org.apache.catalina.core.StandardPipeline.invokeNext(Unknown > > > >>Source) > >> at org.apache.catalina.core.StandardPipeline.invoke(Unknown > >> > > Source) > > > >> at org.apache.catalina.core.ContainerBase.invoke(Unknown > >> > > Source) > > > >> at > >>org.apache.catalina.connector.http.HttpProcessor.process(Unknown > >> > > Source) > > > >> at > >> > > org.apache.catalina.connector.http.HttpProcessor.run(Unknown > > > >>Source) > >> at java.lang.Thread.run(Thread.java:484) > >> > >> > >> > >> > >> > >>--------------------------------------------------------------------- > >>Please check that your question has not already been answered in the > >>FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > >> > >>To unsubscribe, e-mail: <[EMAIL PROTECTED]> > >>For additional commands, e-mail: <[EMAIL PROTECTED]> > >> > > > > > > --------------------------------------------------------------------- > > Please check that your question has not already been answered in the > > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > > > > To unsubscribe, e-mail: <[EMAIL PROTECTED]> > > For additional commands, e-mail: <[EMAIL PROTECTED]> > > > > > > > > --------------------------------------------------------------------- > Please check that your question has not already been answered in the > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > > To unsubscribe, e-mail: <[EMAIL PROTECTED]> > For additional commands, e-mail: <[EMAIL PROTECTED]> > --------------------------------------------------------------------- Please check that your question has not already been answered in the FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> To unsubscribe, e-mail: <[EMAIL PROTECTED]> For additional commands, e-mail: <[EMAIL PROTECTED]>