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Android设备上使用smack API（4.2）注册用户时发生错误我试图找到错误的原因，但找不到它。如果任何人都可以建议一种方式，将不胜感激。我试图注册用户在ejabberd（17.07）
早些时候我使用ejabberd版本2.1与默认mnesia，它工作正常。我能够从Android应用程序注册用户。
但现在，当我安装了新的ejabberd 17.07与MySQL，它给了我错误如下：
Connection XMPPTCPConnection[not-authenticated] (5) closed with error
org.jivesoftware.smack.XMPPException$StreamErrorException: not-authorized You can read more about the meaning of this stream error at http://xmpp.org/rfcs/rfc6120.html#streams-error-conditions
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1046)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$300(XMPPTCPConnection.java:980)
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:996)
at java.lang.Thread.run(Thread.java:818)
E/ExceptionException: org.jivesoftware.smack.SmackException$NotConnectedException: The connection XMPPTCPConnection[not-authenticated] (5) is no longer connected while waiting for response with StanzaIdFilter: id=jq6OD-18