call.invoke返回报空指针怎么办
try {
call = (Call) service.createCall();
//设置请求地址
call.setTargetEndpointAddress(url);
//设置操作方法、命名空间及其它属性
call.setOperationName(new QName(targeNamespace, oprationName));
call.setUseSOAPAction(true);
call.setSOAPActionURI(targeNamespace + oprationName);
call.setEncodingStyle(null);
call.setReturnType(org.apache.axis.Constants.XSD_STRING);
//设置入参,调用服务,并获取返回结果
call.addParameter(new QName(targeNamespace, inArgs), XMLType.XSD_STRING, ParameterMode.IN);
result = call.invoke(new Object[]{request});
System.out.println("应答报文:" + result);