code: public void sendRPC(final String mod, final String fun,
              final OtpErlangObject[] args) throws IOException {
          sendRPC(mod, fun, new OtpErlangList(args));
      }
docs: Send an RPC request to the remote Erlang node. This convenience function
  creates the following message and sends it to 'rex' on the remote node:
  
  <pre>
  { self, { call, Mod, Fun, Args, user } }
  </pre>
  
  <p>
  Note that this method has unpredicatble results if the remote node is not
  an Erlang node.
  </p>
  
  @param mod
  the name of the Erlang module containing the function to be
  called.
  @param fun
  the name of the function to call.
  @param args
  an array of Erlang terms, to be used as arguments to the
  function.
  
  @exception java.io.IOException
  if the connection is not active or a communication error
  occurs.