Posts Tagged ‘PermGen space’
java.lang.OutOfMemoryError: PermGen space
Case:
I have to redeploy many times a day a WAR on a WebLogic 10 server, using Hotspot (Sun JVM) with Java 6. After some cycles deploy/undeploy, Hotspot crashes with the following error:
java.lang.OutOfMemoryError: PermGen space
Complete stacktrace:
2010-08-17 11:26:56,718 ERROR context.ContextLoader - Context initialization failed java.lang.IllegalStateException: Unable to load Java 1.5 dependent class [org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver] at org.springframework.beans.factory.support.AutowireUtils.createAutowireCandidateResolver(AutowireUtils.java:125) at org.springframework.beans.factory.support.DefaultListableBeanFactory.<init>(DefaultListableBeanFactory.java:103) at org.springframework.context.support.AbstractRefreshableApplicationContext.createBeanFactory(AbstractRefreshableApplicationContext.java:176) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:121) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:423) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:353) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1863) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3126) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1512) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:486) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:247) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:27) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:1267) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:409) at weblogic.application.internal.SingleModuleDeployment.activate(SingleModuleDeployment.java:43) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:328) at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:285) at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:253) at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:177) at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:37) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:328) at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:285) at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:253) at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:177) at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:37) at org.springframework.util.ClassUtils.forName(ClassUtils.java:242) at org.springframework.beans.factory.support.AutowireUtils.createAutowireCandidateResolver(AutowireUtils.java:120) at org.springframework.beans.factory.support.DefaultListableBeanFactory.<init>(DefaultListableBeanFactory.java:103) at org.springframework.context.support.AbstractRefreshableApplicationContext.createBeanFactory(AbstractRefreshableApplicationContext.java:176) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:121) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:423) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:353) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) <Aug 17, 2010 11:26:56 AM CEST> <Warning> <HTTP> <BEA-101162> <User defined listener org.springframework.web.context.ContextLoaderListener failed: java.lang.IllegalStateException: Unable to load Java 1.5 dependent class [org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver]. java.lang.IllegalStateException: Unable to load Java 1.5 dependent class [org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver] at org.springframework.beans.factory.support.AutowireUtils.createAutowireCandidateResolver(AutowireUtils.java:125) at org.springframework.beans.factory.support.DefaultListableBeanFactory.<init>(DefaultListableBeanFactory.java:103) at org.springframework.context.support.AbstractRefreshableApplicationContext.createBeanFactory(AbstractRefreshableApplicationContext.java:176) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:121) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:423) Truncated. see log file for complete stacktrace Caused By: java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:328) Truncated. see log file for complete stacktrace > <Aug 17, 2010 11:26:56 AM CEST> <Error> <Deployer> <BEA-149265> <Failure occurred in the execution of deployment request with ID '1282037204562' for task '9'. Error is: 'weblogic.application.ModuleException: ' weblogic.application.ModuleException: at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1514) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:486) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) Truncated. see log file for complete stacktrace Caused By: java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) at java.lang.ClassLoader.defineClass(ClassLoader.java:616) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:328) Truncated. see log file for complete stacktrace >
A short explanation
The error seems to be linked to the garbage collection. From what I could read on the web, static objects used in CGlib (and/or jars depending on the library, such as the wide spread Hibernate, Spring, etc.) are the source of the crash.
Fix
Switching HotSpot to Oracle/BEA’s JVM, aka JRockit, makes the error (almost) disappear.
Alternatively, if you can’t change the JVM, a workaround consists in upgrading the following parameter on JVM launching:
-XX:MaxPermSize=256m