你好老师，我在测试添加房产报错，下面是ecilipse报错信息

http://localhost:8080/house/add encounter 500
2019-06-15 00:56:14.442 ERROR 72033 — [nio-8080-exec-9] c.m.R.a.controller.ErrorController : sendReq error by write javaBean error, class org.springframework.web.multipart.support.StandardMultipartHttpServletRequest$StandardMultipartFile, fieldName : 0, write javaBean error, class org.springframework.web.multipart.MultipartFileResource, fieldName : resource

com.mercury.RealEstateApp.apigateway.utils.RestException: sendReq error by write javaBean error, class org.springframework.web.multipart.support.StandardMultipartHttpServletRequest$StandardMultipartFile, fieldName : 0, write javaBean error, class org.springframework.web.multipart.MultipartFileResource, fieldName : resource
at com.mercury.RealEstateApp.apigateway.utils.Rests.sendReq(Rests.java:65) ~[classes/:na]
at com.mercury.RealEstateApp.apigateway.utils.Rests.exc(Rests.java:28) ~[classes/:na]
at com.mercury.RealEstateApp.apigateway.utils.Rests.exc(Rests.java:24) ~[classes/:na]
at com.mercury.RealEstateApp.apigateway.dao.HouseDao.addHouse(HouseDao.java:55) ~[classes/:na]
at com.mercury.RealEstateApp.apigateway.service.HouseService.addHouse(HouseService.java:53) ~[classes/:na]
at com.mercury.RealEstateApp.apigateway.controller.HouseController.doAdd(HouseController.java:89) ~[classes/:na]

麻烦老师你百忙中解答一下，多谢。