Stack trace of the error (note test.Test is the mbean that has the aop transaction applied to it) Caused by: java.lang.RuntimeException: Unable to locate the transaction manager | at org.jboss.tm.TransactionManagerLocator.locate(TransactionManagerLocator.java:134) | at org.jboss.tm.TransactionManagerLocator.locate(TransactionManagerLocator.java:113) | at org.jboss.aspects.tx.TxInterceptorFactory.initialize(TxInterceptorFactory.java:57) | at org.jboss.aspects.tx.TxInterceptorFactory.createPerJoinpoint(TxInterceptorFactory.java:123) | at org.jboss.aop.advice.AspectFactoryDelegator.createPerJoinpoint(AspectFactoryDelegator.java:119) | at org.jboss.aop.GeneratedClassAdvisor.addPerClassJoinpointAspect(GeneratedClassAdvisor.java:912) | at org.jboss.aop.advice.GeneratedAdvisorInterceptor.<init>(GeneratedAdvisorInterceptor.java:126) | at org.jboss.aop.GeneratedClassAdvisor.pointcutResolved(GeneratedClassAdvisor.java:837) | at org.jboss.aop.MethodMatchInfo.applyBinding(MethodMatchInfo.java:152) | at org.jboss.aop.MethodMatchInfo.overridePopulateBindings(MethodMatchInfo.java:143) | at org.jboss.aop.MethodMatchInfo.populateBindings(MethodMatchInfo.java:92) | at org.jboss.aop.GeneratedClassAdvisor.fullWorkFinalizeMethodChain(GeneratedClassAdvisor.java:627) | at org.jboss.aop.GeneratedClassAdvisor.finalizeMethodChain(GeneratedClassAdvisor.java:596) | at org.jboss.aop.GeneratedClassAdvisor.finalizeChains(GeneratedClassAdvisor.java:577) | at org.jboss.aop.ClassAdvisor.createInterceptorChains(ClassAdvisor.java:607) | at org.jboss.aop.GeneratedClassAdvisor.access$201(GeneratedClassAdvisor.java:65) | at org.jboss.aop.GeneratedClassAdvisor$ClassAdvisorStrategy.createInterceptorChains(GeneratedClassAdvisor.java:1303) | at org.jboss.aop.GeneratedClassAdvisor.createInterceptorChains(GeneratedClassAdvisor.java:407) | at org.jboss.aop.ClassAdvisor$1.run(ClassAdvisor.java:304) | at java.security.AccessController.doPrivileged(Native Method) | at org.jboss.aop.ClassAdvisor.attachClass(ClassAdvisor.java:274) | at org.jboss.aop.AspectManager.initialiseClassAdvisor(AspectManager.java:731) | at org.jboss.aop.GeneratedClassAdvisor$ClassAdvisorStrategy.initialise(GeneratedClassAdvisor.java:1291) | at org.jboss.aop.GeneratedClassAdvisor.initialise(GeneratedClassAdvisor.java:143) | at test.Test$TestAdvisor.initialise(Test$TestAdvisor.java) | at test.Test$TestAdvisor.<init>(Test$TestAdvisor.java) | at test.Test.<clinit>(Test.java) | at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) | at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) | at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) | at java.lang.reflect.Constructor.newInstance(Constructor.java:494) | at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:1242) | at org.jboss.mx.server.MBeanServerImpl.instantiate(MBeanServerImpl.java:286) | at org.jboss.mx.server.MBeanServerImpl.createMBean(MBeanServerImpl.java:344) | at org.jboss.system.ServiceCreator.installPlainMBean(ServiceCreator.java:197) | at org.jboss.system.ServiceCreator.install(ServiceCreator.java:115) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4192209#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...