Can't playback stream

[LevkovichArtem]

Here are logs i see after i try to play stream using RTSP Player:

CFSocketSetAddress listen failure: 102
Encoder Demo[5746:1434328] Client disconnected
Encoder Demo[5746:1434328] Client connected
Encoder Demo[5746:1434328] no case

But see nothing as result

ServerState _state; is always ServerIdle

What is the problem? Please, help.