aSmack串連伺服器異常smack.SmackException$ ConnectionException thrown by XMPPConnection.connect();，xmppconnection

aSmack串連伺服器異常smack.SmackException$ ConnectionException thrown by XMPPConnection.connect();，xmppconnection

下面是我在研究asmack4.0出現的異常

06-17 12:02:56.924: W/System.err(10622): org.jivesoftware.smack.SmackException$ConnectionException

06-17 12:02:56.924: W/System.err(10622):           at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectUsingConfiguration(XMPPTCPC onnection.java:431)

06-17 12:02:56.940: W/System.err(10622):           at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectInternal(XMPPTCPConnection. java:799)

06-17 12:02:56.940: W/System.err(10622):           at org.jivesoftware.smack.XMPPConnection.connect(XMPPConnection.java:391)

06-17 12:02:56.940: W/System.err(10622):           at com.example.testchat.MainActivity.test(MainActivity.java:121)

06-17 12:02:56.940: W/System.err(10622):           at com.example.testchat.MainActivity.access$0(MainActivity.java:56)

06-17 12:02:56.940: W/System.err(10622):           at com.example.testchat.MainActivity$1.run(MainActivity.java:34)

06-17 12:02:56.940: W/System.err(10622):           at java.lang.Thread.run(Thread.java:856)

找了各種辦法也沒能解決，最後無意中發現了這個

connectionConfig = new ConnectionConfiguration(
loginConfig.getXmppHost(), loginConfig.getXmppPort(),
loginConfig.getXmppServiceName());
connectionConfig.setSecurityMode(SecurityMode.enabled);

安全模式，對沒錯，就是安全模式導致認證失敗於是我把它改為了disabled，問題解決了