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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11307 Deadlock in ClassLoader Summary: Deadlock in ClassLoader Product: Tomcat 4 Version: 4.1.8 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Blocker Priority: Other Component: Catalina AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] FOUND A JAVA LEVEL DEADLOCK: ---------------------------- "Thread-4": waiting to lock monitor 0x8022ec (object 0x33b3b78, a org.apache.catalina.loader.ResourceEntry), which is locked by "task" "task": waiting to lock monitor 0x80226c (object 0x2d965c8, a org.apache.catalina.loader.WebappClassLoader), which is locked by "Thread-4" JAVA STACK INFORMATION FOR THREADS LISTED ABOVE: ------------------------------------------------ Java Stack for "Thread-4": ========== at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1660) - waiting to lock <33b3b78> (a org.apache.catalina.loader.ResourceEntry) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:953) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1390) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1270) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) - locked <2d965c8> (a org.apache.catalina.loader.WebappClassLoader) at com.eTapestry.services.ServiceLocator.<clinit>(ServiceLocator.java:35) at com.eTapestry.presentation.filters.AuthenticationFilter.validateSignOn(AuthenticationFilter.java:125) at com.eTapestry.presentation.filters.AuthenticationFilter.doFilter(AuthenticationFilter.java:74) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:98) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:176) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:172) at com.eTapestry.presentation.filters.RequestLogFilter.doFilter(RequestLogFilter.java:70) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:98) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:176) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:172) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2350) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533) at java.lang.Thread.run(Thread.java:479) Java Stack for "task": ========== at java.lang.ClassLoader.checkCerts(ClassLoader.java:530) - waiting to lock <2d965c8> (a org.apache.catalina.loader.WebappClassLoader) at java.lang.ClassLoader.defineClass(ClassLoader.java:482) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1661) - locked <33b3b78> (a org.apache.catalina.loader.ResourceEntry) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:953) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1390) at java.lang.ClassLoader.loadClass(ClassLoader.java:287) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310) - locked <3366ab0> (a sun.rmi.server.LoaderHandler$Loader) at java.lang.Class.getField0(Native Method) at java.lang.Class.getDeclaredField(Class.java:1108) at java.io.ObjectStreamClass$1.run(ObjectStreamClass.java:295) at java.security.AccessController.doPrivileged(Native Method) at java.io.ObjectStreamClass.init(ObjectStreamClass.java:288) - locked <33c4808> (a java.lang.Object) at java.io.ObjectStreamClass.lookupInternal(ObjectStreamClass.java:107) at java.io.ObjectStreamClass.setClass(ObjectStreamClass.java:561) at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:931) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:361) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:231) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1181) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:381) at java.io.ObjectInputStream.inputClassFields(ObjectInputStream.java:2258) at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:514) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1407) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:381) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:231) at java.rmi.MarshalledObject.get(MarshalledObject.java:133) at net.jini.discovery.IncomingUnicastResponse.<init>(IncomingUnicastResponse.java:72) at net.jini.discovery.LookupDiscovery$UnicastDiscoveryTask.run(LookupDiscovery.java:712) at com.sun.jini.thread.TaskManager$TaskThread.run(TaskManager.java:271) Found 1 deadlock. -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
