TestIQ reg = new TestIQ (from,serviceName,"",orgId);
Builder builder = XMPPTCPConnectionConfiguration.builder();
		builder.setServiceName(SERVICE_NAME);
		builder.setUsernameAndPassword(USER_NAME, PASSWD);
		builder.setCompressionEnabled(false);
		builder.setSecurityMode(SecurityMode.disabled);
		builder.setSendPresence(false);
		XMPPTCPConnection connection = new XMPPTCPConnection(builder.build());
StanzaFilter filter = new AndFilter(new StanzaIdFilter(reg.getStanzaId()), new PacketTypeFilter(TestIQ.class));
		PacketCollector collector = connection.createPacketCollector(filter);
try {
			connection.connect();
			connection.login();//--在这报错
			connection.sendStanza(reg);
		} 
....

错误信息：

org.jivesoftware.smack.SmackException: SASL Authentication failed. No known authentication mechanisims.
	at org.jivesoftware.smack.SASLAuthentication.authenticate(SASLAuthentication.java:254)
	at org.jivesoftware.smack.tcp.XMPPTCPConnection.loginNonAnonymously(XMPPTCPConnection.java:365)
	at org.jivesoftware.smack.AbstractXMPPConnection.login(AbstractXMPPConnection.java:452)
	at org.jivesoftware.smack.AbstractXMPPConnection.login(AbstractXMPPConnection.java:410)
	at com.star.extInterface.impl.XMPPServerInterfaceImpl.getOrgInfoById(XMPPServerInterfaceImpl.java:77)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)