Error log returns me:
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [7b07dee0, 107f949d, 33bad16c]$
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/7b07dee0
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/33bad16c
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [39ee8554] for key localhost/1$
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [64cfb077, aecaa626] for key l$
2015.01.20 10:09:13 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [64cfb077] for key localhost/a$
2015.01.20 10:09:15 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/ae02b4c4
2015.01.20 10:09:18 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/e9009a3c
2015.01.20 10:09:20 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/c17317c4
2015.01.20 10:09:21 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/985a1c22
2015.01.20 10:09:21 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/f8b7af7f
2015.01.20 10:09:21 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/28ec9c55
2015.01.20 10:09:22 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/8fd77524
2015.01.20 10:09:22 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/12036875
2015.01.20 10:09:23 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/c86c5516
2015.01.20 10:09:23 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [c6ff9ba4] for key localhost/c$
2015.01.20 10:09:23 org.jivesoftware.openfire.handler.IQAuthHandler - Error during authentication. Session not found in [] for key localhost/c6ff9ba4
All users which I'm using actually exists and are valid ones.