We have a customer that is writing a SLSB that implements an interface and also extends a base class that implements this interface.

They are getting the error...

(01/14 12:40:36:723):

[org.jboss.system.ServiceController] [WARN] Problem starting service jboss.j2ee:jar=80basServerActiveDirectoryProxy.jar,name=ActiveDirectoryAuthenticatorProxyBean,service=EJB3
java.lang.IllegalArgumentException: repeated interface: com.rim.bes.bas.activedirectory.authentication.ActiveDirectoryAuthenticator
at java.lang.reflect.Proxy.getProxyClass(Proxy.java:370)
at org.jboss.ejb3.stateless.BaseStatelessProxyFactory.init(BaseStatelessProxyFactory.java:166)
at org.jboss.ejb3.stateless.StatelessRemoteProxyFactory.init(StatelessRemoteProxyFactory.java:114)
at org.jboss.ejb3.stateless.BaseStatelessProxyFactory.start(BaseStatelessProxyFactory.java:212)
at org.jboss.ejb3.stateless.StatelessRemoteProxyFactory.start(StatelessRemoteProxyFactory.java:121)
at org.jboss.ejb3.ProxyDeployer.start(ProxyDeployer.java:83)
at org.jboss.ejb3.SessionContainer.start(SessionContainer.java:157)
at org.jboss.ejb3.stateless.StatelessContainer.start(StatelessContainer.java:96)
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:585)
at org.jboss.ejb3.ServiceDelegateWrapper.startService(ServiceDelegateWrapper.java:103)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.system.server.jmx.LazyMBeanServer.invoke(LazyMBeanServer.java:291)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
at $Proxy0.start(Unknown Source)

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If a bean implements an interface designated as @Local (or @Remote) and it extends a base which implements the same interface, the interface is reported multiple times. Thus the ProxyFactory fails to start.

...
at java.lang.reflect.Proxy.getProxyClass(Proxy.java:370)
at org.jboss.ejb3.stateful.BaseStatefulProxyFactory.init(BaseStatefulProxyFactory.java:93)
at org.jboss.ejb3.stateful.BaseStatefulProxyFactory.start(BaseStatefulProxyFactory.java:99)
at org.jboss.ejb3.stateful.StatefulLocalProxyFactory.start(StatefulLocalProxyFactory.java:93)
at org.jboss.ejb3.session.ProxyDeployer.start(ProxyDeployer.java:90)
at org.jboss.ejb3.session.SessionContainer.start(SessionContainer.java:211)
at org.jboss.ejb3.stateful.StatefulContainer.start(StatefulContainer.java:140)