外网Messenger 可以上传文件 但是局域网就传不了 错误如下
stream:error (conflict)
at org.jivesoftware.smack.PacketReader.parsePackets(Unknown Source)
at org.jivesoftware.smack.PacketReader.access$000(Unknown Source)
at org.jivesoftware.smack.PacketReader$1.run(Unknown Source)