Installed jboss 4.2.1-GA and started as service. Log file shows:
Problem configuring service jboss.aop:service=AspectManager
org.jboss.deployment.DeploymentException: Exception setting attribute javax.management.Attribute@fa5ff3 on mbean jboss.aop:service=AspectManager; - nested throwable: (java.lang.IllegalAccessError: tried to access class org.jboss.aop.LoadInterceptedClassesStrategy from class org.jboss.aop.AspectManager)
at org.jboss.system.ServiceConfigurator.setAttribute(ServiceConfigurator.java:698)
