I found out a little more. It seems to be able to connect to the server but gets thrown out again because of an IO exception:


19/10/15 11:36:49 Starting new connection
19/10/15 11:36:49 Checking if already connecting
19/10/15 11:36:49 Checking active network
19/10/15 11:36:49 Connection status: connecting
19/10/15 11:36:49 Connecting to c.whatsapp.net:443...
19/10/15 11:36:50 Connection status: connecting
19/10/15 11:36:50 Connected successfully
19/10/15 11:36:50 Unencoded Password: ...

19/10/15 11:36:50 Base64 Password: ...
19/10/15 11:36:50 Challenge:
19/10/15 11:36:50 OUTGOING:
<stream:features>
<groups_v2>
</groups_v2>
<identity>
</identity>
<presence>
</presence>
<privacy>
</privacy>
<readreceipts>
</readreceipts>
</stream:features>

19/10/15 11:36:50 OUTGOING:
<auth mechanism="WAUTH-2" passive="false" user="...">
</auth>

19/10/15 11:36:50 Reading data...
19/10/15 11:36:50 INCOMING:
<stream:start from="s.whatsapp.net">
</stream:start>

19/10/15 11:36:50 Checking processes... not working
19/10/15 11:36:50 MESSAGES: 0 - READ: 0
19/10/15 11:36:50 Reading data...
19/10/15 11:36:50 INCOMING:
<stream:features>
</stream:features>

19/10/15 11:36:50 Checking processes... not working
19/10/15 11:36:50 MESSAGES: 0 - READ: 0
19/10/15 11:36:50 Reading data...
19/10/15 11:36:50 INCOMING:
<challenge>
<<<ENCODED DATA>>>
</challenge>

19/10/15 11:36:50 OUTGOING:
<response>
<<<ENCODED DATA>>>
</response>

19/10/15 11:36:50 Checking processes... not working
19/10/15 11:36:50 MESSAGES: 0 - READ: 0
19/10/15 11:36:53 Reading data...
19/10/15 11:36:53 Socket error: Connection closed by server.
19/10/15 11:36:53 Connection closed.
19/10/15 11:36:53 Stopping timers.
19/10/15 11:36:53 Freeing up the connection.
19/10/15 11:36:53 Freeing up the socket.
19/10/15 11:36:53 Connection status: error
19/10/15 11:36:53 Disconnection done
19/10/15 11:36:53 read(): There was an IO Exception: Connection closed by server.
19/10/15 11:36:53 Connection closed.
19/10/15 11:36:53 Stopping timers.
19/10/15 11:36:53 Freeing up the connection.
19/10/15 11:36:53 Freeing up the socket.
19/10/15 11:36:53 Connection status: error
19/10/15 11:36:53 Disconnection done
19/10/15 11:37:50 Closing everything...
19/10/15 11:37:50 Stopping timers.
19/10/15 11:37:50 Freeing up the connection.