后臺(tái)寫好上傳代碼，本地調(diào)試正常，發(fā)現(xiàn)放到Linux上就報(bào)錯(cuò)org.springframework.web.multipart.support.MissingServletRequestPartException: Required request part 'file' is not present?? ?at org.springframework.web.method.annotation.RequestParamMethodArgumentResolver.handleMissingValue(RequestParamMethodArgumentResolver.java:193)?? ?at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:109)?? ?at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121)?? ?at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:158)?? ?at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128)?? ?at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116)?? ?at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)?? ?at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)?? ?at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)?? ?at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)?? ?at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)?? ?at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)?? ?at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)?? ?at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)?? ?at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)?? ?at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)?? ?at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)?? ?at com.platform.xss.XssFilter.doFilter(XssFilter.java:43)?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)?? ?at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)?? ?at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)?? ?at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)?? ?at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)?? ?at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)?? ?at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)?? ?at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)?? ?at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)?? ?at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)?? ?at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)?? ?at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)?? ?at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)?? ?at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)?? ?at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)?? ?at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)?? ?at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)?? ?at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)?? ?at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)?? ?at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)?? ?at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)?? ?at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)?? ?at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)?? ?at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)?? ?at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:495)?? ?at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)?? ?at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:767)?? ?at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1354)?? ?at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)?? ?at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)?? ?at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)?? ?at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)?? ?at java.lang.Thread.run(Thread.java:745)