&quot;stale.pedersen(a)jboss.org&quot; wrote : hi, just to be sure that the new instrumentor might be to blame could you try to use the classic instrumentor and let us know if that works? | you can set the instrumentor with this property -Djboss.aop.instrumentor=org.jboss.aop.instrument.ClassicInstrumentor Hi, I'm working with Pete on this. I've got our app compile-time weaved using the Classic intrumentor but the ClassLoader can't find our aspects. We're using the same package structure that we use with GeneratedAdvisor instrumentation which doesn't have any problem finding classes. The ear is packaged as: was.ear was.ear/META-INF/application.xml was.ear/lib -> 3rd party jars was.ear/was.aop was.ear/was.aop/META-INF/jboss-aop.xml -> our aspect/joinpoint def file was.ear/was.aop/com/** -> our classes including aspects was.ear/was-web.war -> JSPs, web resources, etc Here's our application.xml: | <?xml version="1.0" encoding="UTF-8"?> | <!DOCTYPE application PUBLIC "-//Sun Microsystems, Inc.//DTD J2EE Application 1.3//EN" "http://java.sun.com/dtd/application_1_3.dtd"> | <application> | <display-name>WAS :: Marble</display-name> | <module> | <java>was.aop</java> | </module> | <module id="marble-web.iml"> | <web> | <web-uri>was-web.war</web-uri> | <context-root>server</context-root> | </web> | </module> | </application> | | 2009-02-26 10:54:10,884 DEBUG [org.jboss.aop.microcontainer.beans.GenericBeanAspectFactory] (main) Creating advice com.company.common.cache.aspect.CacheAspect with loader org.jboss.system.NoAnnotationURLClassLoader@663e89c3 | 2009-02-26 10:54:10,886 WARN [com.company.policy.impl.BootstrapPhase] (main) Error initializing component: unknown component | java.lang.RuntimeException: java.lang.ClassNotFoundException: com.company.common.cache.aspect.CacheAspect | at org.jboss.aop.microcontainer.beans.GenericBeanAspectFactory.doCreate(GenericBeanAspectFactory.java:151) | at org.jboss.aop.microcontainer.beans.GenericBeanAspectFactory.createPerInstance(GenericBeanAspectFactory.java:105) | at org.jboss.aop.InstanceAdvisorDelegate.initializeAspects(InstanceAdvisorDelegate.java:109) | at org.jboss.aop.InstanceAdvisorDelegate.initialize(InstanceAdvisorDelegate.java:71) | at org.jboss.aop.ClassInstanceAdvisor.setAdvisorAndInitialise(ClassInstanceAdvisor.java:88) | at org.jboss.aop.ClassInstanceAdvisor.<init>(ClassInstanceAdvisor.java:72) | at com.company.common.item.dbcache.DbCacheItem._getInstanceAdvisor(DbCacheItem.java) | at com.company.common.item.dbcache.DbCacheItem.dbCacheKey_w_$aop(DbCacheItem.java) | at com.company.common.item.dbcache.DbCacheItem.setDbCacheKey(DbCacheItem.java:29) | at com.company.common.item.dbcache.DBCacheService.getItem(DBCacheService.java:161) | at com.company.system.executive.alias.impl.AliasExecutive.createAlias(AliasExecutive.java:280) | at com.company.system.executive.alias.impl.AliasExecutive.createAlias(AliasExecutive.java:155) | at com.company.policy.command.system.xml.XMLImportAcl.importNode(XMLImportAcl.java:73) | at com.company.policy.command.system.xml.XMLImport.xmlImportList(XMLImport.java:182) | at com.company.policy.command.system.xml.XMLImport.xmlImport(XMLImport.java:152) | at com.company.policy.biz.system.impl.SystemPolicy.xmlImport(SystemPolicy.java:44) | at com.company.policy.impl.Bootstrap.init(Bootstrap.java:56) | at com.company.framework.init.impl.DefaultPhase.createComponentData(DefaultPhase.java:87) | at com.company.policy.impl.BootstrapPhase.createComponentData(BootstrapPhase.java:99) | at com.company.framework.impl.BaseProvider.initComponents(BaseProvider.java:450) | at com.company.framework.impl.BaseProvider.init(BaseProvider.java:99) | at com.company.framework.init.impl.DefaultPhase.init(DefaultPhase.java:46) | at com.company.policy.impl.BootstrapPhase.init(BootstrapPhase.java:51) | at com.company.framework.init.impl.DefaultPhaseProvider.initComponent(DefaultPhaseProvider.java:157) | at com.company.framework.impl.BaseProvider.initComponents(BaseProvider.java:458) | at com.company.framework.impl.BaseProvider.init(BaseProvider.java:99) | at com.company.framework.init.impl.DefaultPhaseProvider.initializePhases(DefaultPhaseProvider.java:80) | at com.company.framework.CoreSystem.init(CoreSystem.java:686) | at com.company.framework.CoreSystem.main(CoreSystem.java:645) | at com.company.framework.impl.CoreServlet.init(CoreServlet.java:83) | at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1048) | at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:950) | at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4122) | at org.apache.catalina.core.StandardContext.start(StandardContext.java:4421) | at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:312) | at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:144) | at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461) | at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118) | at org.jboss.web.deployers.WebModule.start(WebModule.java:97) | 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668) | at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206) | at $Proxy36.start(Unknown Source) | at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42) | at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37) | at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) | at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) | at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) | at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) | at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286) | at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598) | at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) | at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062) | at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) | at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) | at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) | at org.jboss.system.ServiceController.doChange(ServiceController.java:688) | at org.jboss.system.ServiceController.start(ServiceController.java:460) | at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163) | at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99) | at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46) | at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62) | at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50) | at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171) | at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439) | at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157) | at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178) | at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210) | at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098) | at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) | at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598) | at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) | at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062) | at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) | at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) | at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) | at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781) | at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698) | at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304) | at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205) | at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405) | at org.jboss.Main.boot(Main.java:209) | at org.jboss.Main$1.run(Main.java:547) | at java.lang.Thread.run(Thread.java:619) | Caused by: java.lang.ClassNotFoundException: com.company.common.cache.aspect.CacheAspect | at java.net.URLClassLoader$1.run(URLClassLoader.java:200) | at java.security.AccessController.doPrivileged(Native Method) | at java.net.URLClassLoader.findClass(URLClassLoader.java:188) | at java.lang.ClassLoader.loadClass(ClassLoader.java:307) | at java.lang.ClassLoader.loadClass(ClassLoader.java:252) | at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) | at java.lang.Class.forName0(Native Method) | at java.lang.Class.forName(Class.java:247) | at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl.resolveComplexTypeInfo(IntrospectionTypeInfoFactoryImpl.java:419) | at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl.getTypeInfo(IntrospectionTypeInfoFactoryImpl.java:388) | at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactory.getTypeInfo(IntrospectionTypeInfoFactory.java:54) | at org.jboss.classadapter.plugins.BasicClassAdapterFactory.getClassAdapter(BasicClassAdapterFactory.java:61) | at org.jboss.config.plugins.AbstractConfiguration.getBeanInfo(AbstractConfiguration.java:86) | at org.jboss.kernel.plugins.config.AbstractKernelConfig.getBeanInfo(AbstractKernelConfig.java:80) | at org.jboss.kernel.plugins.config.AbstractKernelConfigurator.getBeanInfo(AbstractKernelConfigurator.java:77) | at org.jboss.beans.metadata.plugins.factory.GenericBeanFactory.createBean(GenericBeanFactory.java:209) | at org.jboss.aop.microcontainer.beans.ClassLoaderAwareGenericBeanFactory.createBean(ClassLoaderAwareGenericBeanFactory.java:70) | at org.jboss.aop.microcontainer.beans.GenericBeanAspectFactory.doCreate(GenericBeanAspectFactory.java:140) | ... 90 more | Thanks for the help! 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