web service 调用问题.
建了一个web service 服务端,可以打开 (使用axis 2 jdk1.4)
再建一个客户端访问(axis 1.3 jdk 1.4):
try
{
Service service = new Service();
Call call = null;
call = (Call) service.createCall();
call.setTargetEndpointAddress(new java.net.URL(WsdlUrl));
call.setOperationName(new QName(NameSpace, FuncName));
String ret = (String)call.invoke(new Object[]{"2","2","2"});
return ret;
}
catch(Exception e)
{
return e.getMessage();
}
提示:; nested exception is:
java.lang.NullPointerException
不知是什么原因,请帮忙看看