Authentication exception, principal=null

[lesley]

Hi all.
When I'm trying to run any method, which have an access "By Role" from jboss server, I catch an error :

java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
java.rmi.ServerException: EJBException:; nested exception is:
javax.ejb.EJBException: checkSecurityAssociation; CausedByException is:
Authentication exception, principal=null

at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:292)

at sun.rmi.transport.Transport$1.run(Transport.java:148)

at java.security.AccessController.doPrivileged(Native Method)

at sun.rmi.transport.Transport.serviceCall(Transport.java:144)

at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)

at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)

at java.lang.Thread.run(Thread.java:536)

at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247)

at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)

at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:133)

at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source)

at org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:129)

at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:108)

at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:77)

at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:80)

at org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:198)

at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:76)

at $Proxy0.findByPrimaryKey(Unknown Source)

at testsecurityclient.Untitled1.main(Untitled1.java:111)

Caused by: java.rmi.ServerException: EJBException:; nested exception is:
javax.ejb.EJBException: checkSecurityAssociation; CausedByException is:
Authentication exception, principal=null

at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:355)

at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:133)
....


By my principal is NOT NULL!
Help me please!