protected Object invokeLocal( short objectId, short procId, Object[] args ) {
        // Actually could use a regular concurrent map for this

        // Only lock the local registry during lookup and
        // not invocation.  It prevents a deadlock if the invoked method
        // tries to share an object.  It should be safe.
        SharedObject share = local.byId.get(objectId);         
        local.lock.readLock().lock();
        try {
            share = local.byId.get(objectId);
        } finally {
            local.lock.readLock().unlock();   
        }
                      
        try {
            RmiContext.setRmiConnection(context);
            return share.invoke(procId, args);
        } finally {
            RmiContext.setRmiConnection(null);
        }              
    }
Handle the actual remote object method calls.
jme3-networking/src/main/java/com/jme3/network/service/rmi/RmiRegistry.java