Hi, maybe this documents are useful too: http://xml.apache.org/cocoon/userdocs/concepts/mrustore.html http://xml.apache.org/cocoon/userdocs/concepts/storejanitor.html
~Gerhard ---------------------------------------- "In English, there is no double positive that makes a negative." "Yeah, right." ---------------------------------------- >-----Original Message----- >From: Stuart Roebuck [mailto:[EMAIL PROTECTED]] >Sent: Thursday, March 14, 2002 5:08 PM >To: [EMAIL PROTECTED] >Subject: C2 Bug Locating Tips > > > +---------------------------------------------+ > | LOOKING FOR TIPS ON HOW TO DEBUG COCOON ? | > +---------------------------------------------+ > >unfortunately, I don't have a great deal of my own, but I'm happy to >compile other peoples into something useful if anyone would like to >contribute some suggestions on how I might track down an apparent memory >leak in the recent CVS versions of Cocoon! > >Seeing as there is talk of... *A NEW RELEASE*...I thought it was time I >did some work on ironing this problem out now. > >My setup is: > Cocoon 2 (latest CVS) - but problems have occurred for a month >or so now. > Tomcat 4.0.1 > Mac OS X 10.1.3 (latest Java release) - but problems occurred >before it. > >After a modest amount of Cocoon action, I get an OutOfMemoryError in the >Tomcat localhost_log (see below) and to be completely honest, I haven't >much of a clue how I'm going to track down the associated memory leak. > > ( which reminds me - how do you stop debug level messages ) > ( appearing in the Tomcat localhost_log file? Changing all ) > ( the references to "DEBUG" in logkit.conf turns off DEBUG ) > ( level output in the WEB-INF/logs directory, but not in ) > ( the Tomcat log directory. ) > >I'm now using the Pizza compiler, so the associated Javac memory leak >shouldn't be there. > >I've reduced the store-janitor heapsize value from the default 67108864 >to 60000000 running from a default Mac OS X Java configuration of 64Mb >max heap and this appears to delay the onset of problems. > >The problems weren't present in the past, and we currently have a >pre-release site <http://www.cueandreview.co.uk/> running on an older >Cocoon 2 release which doesn't exhibit this behaviour. It's running off >a FreeBSD based machine, but it was developed without problems on Mac OS >X (with the release of Cocoon it is running on on FreeBSD). > >So I'm inclined to think that the problem is something that has been >introduced in Cocoon, rather than anything platform specific or >sitemap / processing specific - but I could be wrong. > >Significant things that have changed (and are being used) between the >reliable version and the current include: > Xerces 1.4.4 --> Xerces 2.0.x > TreeProcessor > JispStore > Pizza compiler > >This may or may not be connected with: > > <http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6868> > >Any thoughts, hints, suggestions? > >Stuart. > >> 2002-03-14 14:19:51 StandardWrapperValve[Cocoon2]: Servlet.service() >> for servlet Cocoon2 threw exception >> javax.servlet.ServletException: Servlet execution threw an exception >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter >> (ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter >> (ApplicationFilterChain.java:193) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke >> (StandardWrapperValve.java:243) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 566) >> at >> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) >> at >> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) >> at >> org.apache.catalina.core.StandardContextValve.invoke >> (StandardContextValve.java:201) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 566) >> at >> org.apache.catalina.authenticator.AuthenticatorBase.invoke >> (AuthenticatorBase.java:472) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 564) >> at >> org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java: >> 246) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 564) >> at >> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) >> at >> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) >> at >> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: >> 164) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 566) >> at >> org.apache.catalina.valves.ErrorDispatcherValve.invoke >> (ErrorDispatcherValve.java:170) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 564) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: >> 170) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 564) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 564) >> at >> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) >> at >> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java: >> 163) >> at >> org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java: >> 566) >> at >> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) >> at >> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) >> at >> org.apache.catalina.connector.http10.HttpProcessor.process >> (HttpProcessor.java:666) >> at >> org.apache.catalina.connector.http10.HttpProcessor.run(HttpProcessor.java: >> 788) >> at java.lang.Thread.run(Thread.java:496) >> ----- Root Cause ----- >> java.lang.OutOfMemoryError >> <<no stack trace available>> > > > Public Key - 1024D/88DD65AF 2001-11-23 Stuart Roebuck (Adolos) > Key fingerprint = 89D9 E405 F8B1 9B22 0FA2 F2C1 9E57 5AB1 88DD 65AF >------------------------------------------------------------------------- >Stuart Roebuck [EMAIL PROTECTED] >Systems Architect Java, XML, MacOS X, XP, >etc. >ADOLOS <http://www.adolos.com/> > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, email: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
