On Mar 27, 2014, at 2:10 PM, wangke <keow...@hotmail.com> wrote: > > > > Subject: Re: Why Tomcat crashes > > From: dmik...@gopivotal.com > > Date: Thu, 27 Mar 2014 07:24:38 -0400 > > To: users@tomcat.apache.org > > > > On Mar 27, 2014, at 2:18 AM, wangke <keow...@hotmail.com> wrote: > > > > > > > > > > > > > > Hi All: > > > Recently I've encountered a very strange problem, I managed to crash > > > tomcat entirely > > > > We need more specifics here. What exactly happens when it crashes? Has the > > process exited? Do you see a JVM crash dump file? Is the process still > > running, but your app is not responding (or responding with 404’s)? or > > something else? > > First of all, I can no longer connect to the root directory for tomcat home > page and secondly, I do have a JVM crash dump file.
Since the JVM is crashing, it’s unlikely to be a Tomcat issue. Probably something with the native code. If you can include the dump file output here, perhaps someone can give you some clues as to why it’s crashing. Dan PS. the list doesn’t do well with attachments, it often strips them off. If you just copy and paste stuff inline you should be safe. > > > > > > > > with my application for a few times. Personally, I am quite suspicious > > > about the the settings of a shared library libswipl. What I did according > > > to > > > https://code.google.com/p/javanaproche/wiki/HowToJPL > > > > If you’re seeing the process exit, it could be due to a crash in this > > native code. Generally when this happens you’ll get a JVM crash dump file > > in the working directory (or the location of -XX:ErrorFile). You’ll want to > > locate this file as it will contain information about what happened. > > Please see the file attached. > > > > > > > > is I have Java.library.path point to libswipl for a jar file called JPL > > > (a bidirectional interface between Java and Prolog since I need to run > > > some simple Prolog rules) and then when I start calling JPL provided > > > interface in my application code, the following exceptions are thrown: > > > Can anybody help me to figure out what happened exactly, BTW, Tomcat is > > > not crashing all the time but fairly frequent though. > > > Thanks very much. > > > > > > > > > > > > > > > > > > > > > > > > > > > WARNING: Error while removing context [/XXXXXX] > > > java.lang.NoClassDefFoundError: > > > org/apache/struts2/util/ObjectFactoryDestroyable > > > at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:265) > > > at > > > org.apache.struts2.dispatcher.ng.PrepareOperations.cleanupDispatcher(PrepareOperations.java:188) > > > at > > > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.destroy(StrutsPrepareAndExecuteFilter.java:100) > > > at > > > org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:358) > > > at > > > org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:4107) > > > at > > > org.apache.catalina.core.StandardContext.stop(StandardContext.java:4876) > > > at > > > org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:936) > > > at > > > org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1212) > > > at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1382) > > > at > > > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:306) > > > at > > > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) > > > at > > > org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1389) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1653) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1662) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1642) > > > at java.lang.Thread.run(Thread.java:662) > > > Caused by: java.lang.ClassNotFoundException: > > > org.apache.struts2.util.ObjectFactoryDestroyable > > > at > > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) > > > at > > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) > > > ... 16 more > > > > This looks like you’re missing a JAR file, in particular the one that > > contains “org.apache.struts2.util.ObjectFactoryDestroyable”. Although I’m > > not sure this is critical as it appears to be happening as Tomcat is > > shutting down. > > > > Dan > > > > > Mar 26, 2014 6:18:51 PM org.apache.catalina.core.ContainerBase stop > > > INFO: Container > > > org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/XXXXXX].[jsp] > > > has not been started > > > Mar 26, 2014 6:18:51 PM org.apache.catalina.core.ContainerBase stop > > > INFO: Container > > > org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/XXXXXX].[default] > > > has not been started > > > Mar 26, 2014 6:18:51 PM org.apache.catalina.startup.HostConfig > > > checkResources > > > WARNING: Error during context [/XXXXXX] destroy > > > java.lang.NoClassDefFoundError: > > > org/apache/struts2/util/ObjectFactoryDestroyable > > > at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:265) > > > at > > > org.apache.struts2.dispatcher.ng.PrepareOperations.cleanupDispatcher(PrepareOperations.java:188) > > > at > > > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.destroy(StrutsPrepareAndExecuteFilter.java:100) > > > at > > > org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:358) > > > at > > > org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:4107) > > > at > > > org.apache.catalina.core.StandardContext.stop(StandardContext.java:4876) > > > at org.apache.catalina.core.ContainerBase.destroy(ContainerBase.java:1176) > > > at > > > org.apache.catalina.core.StandardContext.destroy(StandardContext.java:4976) > > > at > > > org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1219) > > > at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1382) > > > at > > > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:306) > > > at > > > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) > > > at > > > org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1389) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1653) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1662) > > > at > > > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1642) > > > at java.lang.Thread.run(Thread.java:662) > > > Mar 26, 2014 6:19:05 PM org.apache.coyote.http11.Http11Protocol pause > > > INFO: Pausing Coyote HTTP/1.1 on http-8080 > > > Mar 26, 2014 6:19:06 PM org.apache.catalina.core.StandardService stop > > > INFO: Stopping service Catalina > > > Mar 26, 2014 6:19:06 PM org.apache.coyote.http11.Http11Protocol destroy > > > INFO: Stopping Coyote HTTP/1.1 on http-8080 > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > > For additional commands, e-mail: users-h...@tomcat.apache.org > > > <error.log> > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
