WLSTException: Error Occurred While Performing Connect (Doc ID 1372757.1)

Symptoms

When attempting to connect using WLST, the following error occurs.

WLSTException: Error occurred while performing connect Error getting the initial context. There is no server running at t3://host:port.

wls:/offline> dumpStack()
This Exception occurred at Mon Oct 31 12:45:12 PDT 2011.
javax.naming.CommunicationException [Root exception is java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
       java.io.StreamCorruptedException: invalid type code: 88]
       at weblogic.jndi.internal.ExceptionTranslator.toNamingException(ExceptionTranslator.java:74)
       at weblogic.jndi.internal.ExceptionTranslator.toNamingException(ExceptionTranslator.java:32)
       at weblogic.jndi.WLInitialContextFactoryDelegate.toNamingException(WLInitialContextFactoryDelegate.java:773)
       at weblogic.jndi.WLInitialContextFactoryDelegate.pushSubject(WLInitialContextFactoryDelegate.java:673)
       at weblogic.jndi.WLInitialContextFactoryDelegate.newContext(WLInitialContextFactoryDelegate.java:466)
       ...
       ...
Caused by: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
       java.io.StreamCorruptedException: invalid type code: 88
       at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:222)
       at weblogic.rmi.internal.BasicRemoteRef.invoke(BasicRemoteRef.java:224)
       at weblogic.common.internal.RMIBootServiceImpl_1002_WLStub.authenticate(Unknown Source)
       ...
       ...
Caused by: java.io.StreamCorruptedException: invalid type code: 88
       at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1355)
       at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
       at weblogic.utils.io.ChunkedObjectInputStream.readObject(ChunkedObjectInputStream.java:195)
       at weblogic.rjvm.MsgAbbrevInputStream.readObject(MsgAbbrevInputStream.java:565)
       at weblogic.utils.io.ChunkedObjectInputStream.readObject(ChunkedObjectInputStream.java:191)
       ...
       ...

Cause

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