电商项目实战二期，导入项目后执行了方法返回的时候报错

Question

HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.springframework.core.MethodParameter.getContainingClass()Ljava/lang/Class;

type Exception report

message Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.springframework.core.MethodParameter.getContainingClass()Ljava/lang/Class;

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.springframework.core.MethodParameter.getContainingClass()Ljava/lang/Class;
org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1284)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:965)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)

root cause

java.lang.NoSuchMethodError: org.springframework.core.MethodParameter.getContainingClass()Ljava/lang/Class;
org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor.supportsReturnType(RequestResponseBodyMethodProcessor.java:83)
org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.getReturnValueHandler(HandlerMethodReturnValueHandlerComposite.java:83)
org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:69)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:122)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:748)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:931)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:833)
javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:807)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.52 logs.

Answer 1

建议你把框架里的几个类和接口先全部写完试试，你这个错误可能是某些注解没用上保存的比如@authord或者@service等等