I find that the error is
"Error loading auth provider: org.jivesoftware.messenger.auth.POP3AuthProvider
java.lang.ClassNotFoundException: org.jivesoftware.messenger.auth.POP3AuthProvider"
at org.jivesoftware.messenger.starter.ServerStarter.main(ServerStarter.java:46)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
2005.08.12 23:32:57 [org.jivesoftware.messenger.auth.AuthFactory.(XMPPServer.java:118)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.jivesoftware.messenger.starter.ServerStarter.start(ServerStarter.java:82)
at org.jivesoftware.messenger.starter.ServerStarter.main(ServerStarter.java:46)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
2005.08.12 23:46:59 [org.jivesoftware.messenger.net.SocketReader.run(SocketReader.java:145)
] Connection closed before session established
Socket[addr=/192.168.0.4,port=2686,localport=5269]
2005.08.12 23:46:59 [org.jivesoftware.messenger.net.SocketReader.run(SocketReader.java:145)
] Connection closed before session established
Socket[addr=/192.168.0.4,port=2687,localport=5269]