问题描述 Spring Cloud Feign调用其它服务报错,错误提示如下:Failed to instantiate [java.util.List]: Specified class is an interface. 解决方案 通过查询一些资料,得到的结论,是定义接口传递的参数时,没有用@RequestBody修饰,查看定义接口有用@RequestBogy修饰,Feign的接口实现里没有用@RequestBody修饰,添加后问题就解决了,以后还是要仔细看待每个问题.…
报错场景: 使用SSM框架实现文件上传时报“Failed to instantiate [org.springframework.web.multipart.MultipartFile]”错,控制器源代码: @Controller @RequestMapping("/file") public class FileUDController { @RequestMapping(value="/fileUpload",method=RequestMethod.POST)…
报错代码: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.web.multipart.MultipartFile]: Specified class is an interface org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:101) o…
第一次构建spring,实现简单的注入方式,就发生了beans.xml文件报错,报错信息如下图 org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 9 in XML document from class path resource [beans.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumb…