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[aspectj-users] NPE when shutting down tomcat that runs Spring webapp using LoadTimeWeaver
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Hi All,
I am getting NPE when I am stopping tomcat (6.0.14) that runs my Spring web application that uses loadTimeWeaver object to add aspects to JPA classes.
I am getting few such NPE's.
Have anybody seen it before?
Here is one of such stack traces that I get:
Oct 11, 2009 2:32:23 PM org.aspectj.weaver.tools.Jdk14Trace error
SEVERE: org/apache/commons/httpclient/MultiThreadedHttpConnectionManager$ReferenceQueueThread
java.lang.NullPointerException
at org.aspectj.bridge.context.CompilationAndWeavingContext.getContextStack(CompilationAndWeavingContext.java:185)
at org.aspectj.bridge.context.CompilationAndWeavingContext.enteringPhase(CompilationAndWeavingContext.java:154)
at org.aspectj.weaver.bcel.BcelWeaver.weave(BcelWeaver.java:1112)
at org.aspectj.weaver.tools.WeavingAdaptor.getWovenBytes(WeavingAdaptor.java:423)
at org.aspectj.weaver.tools.WeavingAdaptor.weaveClass(WeavingAdaptor.java:286)
at org.aspectj.weaver.loadtime.Aj.preProcess(Aj.java:95)
at org.aspectj.weaver.loadtime.ClassPreProcessorAgentAdapter.transform(ClassPreProcessorAgentAdapter.java:52)
at org.springframework.context.weaving.AspectJWeavingEnabler$AspectJClassBypassingClassFileTransformer.transform(AspectJWeavingEnabler.java:92)
at org.springframework.instrument.classloading.WeavingTransformer.transformIfNecessary(WeavingTransformer.java:95)
at org.springframework.instrument.classloading.WeavingTransformer.transformIfNecessary(WeavingTransformer.java:78)
at org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader.findResourceInternal(TomcatInstrumentableClassLoader.java:114)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1757)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:402)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2291)
at java.lang.Class.getDeclaredFields(Class.java:1743)
at org.apache.catalina.loader.WebappClassLoader.clearReferences(WebappClassLoader.java:1598)
at org.apache.catalina.loader.WebappClassLoader.stop(WebappClassLoader.java:1495)
at org.apache.catalina.loader.WebappLoader.stop(WebappLoader.java:707)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4537)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:924)
at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1180)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1151)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1086)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:584)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:616)
at org.apache.catalina.startup.Catalina.start(Catalina.java:591)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Please help. Thank you in advance!
-AR
