webservice问题！

<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/"><S:Header><nn:licenseInfo xmlns:nn="http://service.soap.org/">1233</nn:licenseInfo></S:Header><S:Body><ns2:login xmlns:ns2="http://service.soap.org/"><username>admin</username><password>1234</password></ns2:login></S:Body></S:Envelope>Exception in thread "main" com.sun.xml.internal.ws.streaming.XMLStreamReaderException: unexpected XML tag. expected: {http://service.soap.org/}loginResponse but found: {http://service.soap.org/}login
at com.sun.xml.internal.ws.streaming.XMLStreamReaderUtil.verifyTag(Unknown Source)
at com.sun.xml.internal.ws.streaming.XMLStreamReaderUtil.verifyTag(Unknown Source)
at com.sun.xml.internal.ws.client.sei.ResponseBuilder$DocLit.readResponse(Unknown Source)
at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(Unknown Source)
at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(Unknown Source)
at com.sun.xml.internal.ws.client.sei.SEIStub.invoke(Unknown Source)
at $Proxy34.login(Unknown Source)
at org.soap.service.Test.main(Test.java:16)
什么问题？
命名空间烦死了。