环境：
Ubuntu18
vue+elementUI
实现文件的上传
报错信息：
MultipartFile.transferTo(dest) 报 FileNotFoundException
java.io.IOException: java.io.FileNotFoundException: /tmp/tomcat.2457258178644046891.8080/work/Tomcat/localhost/innovate-admin/C:/up//sys-error.log (没有那个文件或目录)
at org.apache.catalina.core.ApplicationPart.write(ApplicationPart.java:)
at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest$StandardMultipartFile.transferTo(StandardMultipartHttpServletRequest.java:)
at com.innovate.modules.util.UpLoadFiles.upLoad(UpLoadFiles.java:)
at com.innovate.modules.innovate.controller.ProjectAttachController.uploadFile(ProjectAttachController.java:)
at com.innovate.modules.innovate.controller.ProjectAttachController$$FastClassBySpringCGLIB$$cc972f6e.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:)
at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor$.proceed(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:)
at org.apache.shiro.authz.aop.AuthorizingMethodInterceptor.invoke(AuthorizingMethodInterceptor.java:)
at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor.invoke(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:)
at com.innovate.modules.innovate.controller.ProjectAttachController$$EnhancerBySpringCGLIB$$35fa7c1b.uploadFile(<generated>)
at com.innovate.modules.innovate.controller.ProjectAttachController$$FastClassBySpringCGLIB$$cc972f6e.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:)
at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor$.proceed(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:)
at org.apache.shiro.authz.aop.AuthorizingMethodInterceptor.invoke(AuthorizingMethodInterceptor.java:)
at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor.invoke(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:)
at com.innovate.modules.innovate.controller.ProjectAttachController$$EnhancerBySpringCGLIB$$c185d56d.uploadFile(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)
at java.lang.reflect.Method.invoke(Method.java:)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(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.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
at com.innovate.common.xss.XssFilter.doFilter(XssFilter.java:)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:)
at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:)
at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:)
at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:)
at org.apache.shiro.web.servlet.AbstractShiroFilter$.call(AbstractShiroFilter.java:)
at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:)
at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:)
at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:)
at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:)
at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.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:)
Caused by: java.io.FileNotFoundException: /tmp/tomcat.2457258178644046891.8080/work/Tomcat/localhost/innovate-admin/C:/up//sys-error.log (没有那个文件或目录)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:)
at java.io.FileOutputStream.<init>(FileOutputStream.java:)
at java.io.FileOutputStream.<init>(FileOutputStream.java:)
at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.write(DiskFileItem.java:)
at org.apache.catalina.core.ApplicationPart.write(ApplicationPart.java:)
... more
报错原因：
不知道，等我解决了在回来写，先记下