如果GradesManagementService发生系统错误,则返回的响应对象为空,但响应标头包含诊断信息。我用什么课程来获取这些信息?GradesManagementService系统错误为空
这里是我的代码:
GradesManagementServiceV10 port = service.getGradesManagementServiceV10();
GetGradeValuesByOrgUnitRequest r = new GetGradeValuesByOrgUnitRequest(); GetGradeValuesByOrgUnitResponse resp = new GetGradeValuesByOrgUnitResponse(); WSBindingProvider bp = (WSBindingProvider)port; bp.setOutboundHeaders(Headers.create(formatSOAPHeader())); ((BindingProvider)port).getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, getUrl());
resp = port.getGradeValuesByOrgUnit(r); // the response is null. <------ How do I see what the error is?