【spring mvc】后台spring mvc接收List参数报错如下：org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Specified class is an interface

后台spring mvc接收List参数报错如下：org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Specified class is an interface

org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Specified class is an interface
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:)
    at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.createAttribute(ModelAttributeMethodProcessor.java:)
    at org.springframework.web.servlet.mvc.method.annotation.ServletModelAttributeMethodProcessor.createAttribute(ServletModelAttributeMethodProcessor.java:)
    at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:)
    at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:)
    at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:)
    at java.lang.Thread.run(Thread.java:)

解决方案：

前台需要传入JSON格式的对象数组，后台即可正常接收

最简单的解决方法：

后台接收List<Object>参数的时候，使用注解@RequestBody即可