I use "jboss-4.0.5.GA" I follow the tutorial on "http://docs.jboss.com/jbosside/tutorial/build/en/html/index.html" when I start jboss I have an error 15:19:27,828 INFO [Log4jService$URLWatchTimerTask] Configuring from URL: resource:log4j.xml | 15:19:33,562 WARN [ServiceController] Problem creating service jboss.aop:service=AspectManager | java.lang.NoClassDefFoundError: org/jboss/aop/standalone/PluggableInstrumentor | at org.jboss.aop.deployment.AspectManagerServiceJDK5.attachTranslator(AspectManagerServiceJDK5.java:42) | at org.jboss.aop.deployment.AspectManagerService.createService(AspectManagerService.java:121) | Can anybody tell me why ? When Jboss loads my FiboApp.ear I have that error 15:20:13,406 INFO [EARDeployer] Init J2EE application: file:/C:/java/jboss-4.0.5.GA/jboss-4.0.5.GA/server/default/deploy/FiboApp.ear | 15:20:13,500 INFO [EARDeployer] Started J2EE application: file:/C:/java/jboss-4.0.5.GA/jboss-4.0.5.GA/server/default/deploy/FiboApp.ear | 15:20:13,515 ERROR [URLDeploymentScanner] Incomplete Deployment listing: | | --- MBeans waiting for other MBeans --- | ObjectName: jboss.aop:service=AspectManager | State: FAILED | Reason: java.lang.NoClassDefFoundError: org/jboss/aop/standalone/PluggableInstrumentor | | --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM --- | ObjectName: jboss.aop:service=AspectManager | State: FAILED | Reason: java.lang.NoClassDefFoundError: org/jboss/aop/standalone/PluggableInstrumentor Can you help me to find what's wrong View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3984158#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...