I get the following exception if I try to declare a method with the signature String remove() on the local interface:

17:53:02,953 WARN [ServiceController] Problem starting service jboss.j2ee:ear=MyDomain.ear,jar=MyDomain.jar,name=UserHome,service=EJB3
java.lang.IllegalArgumentException: methods with same signature remove() but incompatible return types: void and others
at sun.misc.ProxyGenerator.checkReturnTypes(ProxyGenerator.java:610)
at sun.misc.ProxyGenerator.generateClassFile(ProxyGenerator.java:420)
at sun.misc.ProxyGenerator.generateProxyClass(ProxyGenerator.java:306)
at java.lang.reflect.Proxy.getProxyClass(Proxy.java:501)
at org.jboss.ejb3.stateful.BaseStatefulProxyFactory.init(BaseStatefulProxyFactory.java:58)
at org.jboss.ejb3.stateful.BaseStatefulProxyFactory.start(BaseStatefulProxyFactory.java:66)
at org.jboss.ejb3.stateful.StatefulLocalProxyFactory.start(StatefulLocalProxyFactory.java:61)
at org.jboss.ejb3.ProxyDeployer.start(ProxyDeployer.java:105)
at org.jboss.ejb3.SessionContainer.start(SessionContainer.java:124)
at org.jboss.ejb3.stateful.StatefulContainer.start(StatefulContainer.java:91)
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:102)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor87.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.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor5.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.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy96.start(Unknown Source)