6.1 to 7.0 compatability mode security exception

[Larry Presswood]

I have a 7.0 server in compatability mode with a client which obtains
contexts to both
servers and attempts to execute beans on both servers.

However in certain cases I get the following exception

Anyone seen this.
I do have a support case open.

Exception on login...
java.lang.SecurityException: Invalid Subject: principals=[system]

Start server side stack trace:
java.lang.SecurityException: Invalid Subject: principals=[system]
at
weblogic.security.service.SecurityServiceManager.seal(SecurityService
Manager.java:943)
at
weblogic.rjvm.MsgAbbrevInputStream.getSubject(MsgAbbrevInputStream.ja
va:147)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.jav
a:309)
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:30)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
End server side stack trace

at
weblogic.rmi.internal.BasicOutboundRequest.sendReceive(BasicOutboundR
equest.java:85)
at
weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:262)
at
weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteR
ef.java:229)
at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
at $Proxy1.getHomeHandle(Unknown Source)
at com.tfn.autex.util.Service.getHome(Service.java:146)
at
com.tfn.autex.util.ServiceLocator.getService(ServiceLocator.java:89)
at
com.tfn.autex.connection.WLInstance.getFixSessionBean(WLInstance.java
:330)
at
com.tfn.autex.connection.WLInstance.loginConnection(WLInstance.java:4
76)
at
com.tfn.autex.connection.HostConnectionImpl.loginConnection(HostConne
ctionImpl.java:496)
at
com.tfn.autex.TestClient.FixDriverTest.login(FixDriverTest.java:106)
at
com.tfn.autex.TestClient.FixDriverTest.main(FixDriverTest.java:312)
Invalid Subject: principals=[system]

Start server side stack trace:
java.lang.SecurityException: Invalid Subject: principals=[system]
at
weblogic.security.service.SecurityServiceManager.seal(SecurityService
Manager.java:943)
at
weblogic.rjvm.MsgAbbrevInputStream.getSubject(MsgAbbrevInputStream.ja
va:147)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.jav
a:309)
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:30)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
End server side stack trace

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C:\projects\jcvs\its\java\3.1-75>'