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Dummy Roster Entries

Now tell me that while adding new entries in the roster, how can we make a check that it is not a dummy entry i.e the user is registered in jabberd Server…

Let me know if it needs more explanation,


Sohail Qureshi


I couldn’'t found a specification on how the servers must react when you ask for a Presence Subscriptions of a non-existent users. Therefore, different servers may answer with different error messages when the user does not exist. Moreover, you may never get an error message if you subscribe to a user whose id refers to a non-existent server!.

In summary, in order to find out if a user exists or not you must listen for possible error messages. If you know beforehand the server that you will use then you could listen for a specific type of error message.


– Gato