Failed to build a middleman to pass connection between a server and a client

[Norman Maurer]

Without the stacktrace impossible....

Sou please post the stacktrace and if possible the Code snipped which
is the cause..

Bye
Norman

Am Montag, 17. Januar 2011 schrieb egg86 <egg86_tam at yahoo.com>:
>
> Hi all,
>
> I'm recently trying to write a middleman between server and client to manage
> the connection.
>
> The server will use one set of protocol, and client will use another set of
> protocol. The middleman will be responsible to parse the message between two
> sides.
>
> I have designed the architecture like Server, serverInterface,
> clientInterface, and Client; so Server will talk to serverInterface in their
> protocol, and clientInterface and Client will talk in their own protocol.
> The communication between their own set is successful, but combining both
> set of communication (Client talks to Server through serverInterface and
> clientInterface) is not successful. Always observed the exception thrown for
> java.lang.NullPointerException.
>
> Can anyone please help me on this. thanks.
> --
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