I'm using smack api 4.1 alpha I can connect to my server but login failed ( connection.login(username,password) )
org.jivesoftware.smack.SmackException: SASL Authentication failed. No known authentication mechanisims.
at org.jivesoftware.smack.SASLAuthentication.authenticate(SASLAuthentication.java: 251)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.login(XMPPTCPConnection.java:374)
at org.jivesoftware.smack.AbstractXMPPConnection.login(AbstractXMPPConnection.java :353)
at test.Testclass.initt(Testclass.java:72)
at test.Testclass.main(Testclass.java:84)