http://developer.51cto.com/art/200909/127387.htm
我是按着这个网址上提示一点点做的：为什么在测试时，老出现：
IWAB0379E Unable to open http://localhost:8080/HelloWorld/services/HelloWorldService?WSDL.
IWAB0135E An unexpected error has occurred.
WSDLException
WSDLException: faultCode=OTHER_ERROR: Connection refused: connect
这样的错误。往好心人试试，教教我。谢谢了。
------解决方案--------------------
来自互联网
Caused by: java.net.ConnectException: Connection refused: connect
So, I would suggest to recheck your username/password combination.