Why do I get a "java.lang.IllegalStateException: Failed to find method for hash" exception when communicating with JBoss?

Issue

Getting the following exception when trying to do a naming lookup.

Exception/stack trace:

[2010-01-27 08:45:35.86] ERROR 000410020306 SERVICES.SERVICES_CONTROLLER.ERR_StartAdapterThread_run StartAdapterThread.run
java.lang.IllegalStateException: Failed to find method for hash:-790108502850547550 available={-8107796390111393345=public abstract void org.jnp.interfaces.Naming.unbind(javax.naming.Name) throws javax.naming.NamingException,java.rmi.RemoteException, 7733619496521189953=public abstract java.io.Serializable org.jboss.ha.framework.interfaces.HAPartition$HAPartitionStateTransfer.getCurrentState(), -5642140585403320990=public abstract java.util.Collection org.jnp.interfaces.Naming.listBindings(javax.naming.Name) throws javax.naming.NamingException,java.rmi.RemoteException, -4221607359560216057=public abstract java.util.Collection org.jnp.interfaces.Naming.list(javax.naming.Name) throws javax.naming.NamingException,java.rmi.RemoteException, -6149798079139202860=public abstract void org.jnp.interfaces.Naming.bind(javax.naming.Name,java.lang.Object,java.lang.String) throws javax.naming.NamingException,java.rmi.RemoteException, 6991977298034536864=public abstract void org.jboss.ha.framework.interfaces.HAPartition$HAPartitionStateTransfer.setCurrentState(java.io.Serializable), -5717908715153450081=public abstract void org.jnp.interfaces.Naming.rebind(javax.naming.Name,java.lang.Object,java.lang.String) throws javax.naming.NamingException,java.rmi.RemoteException, -7286638714004764603=public abstract javax.naming.Context org.jnp.interfaces.Naming.createSubcontext(javax.naming.Name) throws javax.naming.NamingException,java.rmi.RemoteException, -884175917852741154=public abstract java.lang.Object org.jnp.interfaces.Naming.lookup(javax.naming.Name) throws javax.naming.NamingException,java.rmi.RemoteException}