使用带有java的.net Web服务不显示预期结果

I'm having problems to consume a .NET Web Service from a simple Java Application. I'm only testing right now if the web service client fetches the expected data, and apparently it doesn't. I created a Web Service Client in Eclipse using the wsdl location and it went right. Also, I've tested the methods in the .NET side and they are working alright. So the problem must be something I'm missing when using the methods generated by the Web Service Client. I'll show the code which is almost ridiculy simple: I'm having problems to consume a .NET Web Servi