spring mvc 文件上传下载

watermelondaide 2017-11-23 07:15:54

严重: Servlet.service() for servlet [dispatcherServlet] in context with path [/Ddemo] threw exception [Request processing failed; nested exception is java.util.IllegalFormatConversionException: d != java.lang.String] with root cause
java.util.IllegalFormatConversionException: d != java.lang.String
at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4045)
at java.util.Formatter$FormatSpecifier.printInteger(Formatter.java:2748)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2702)
at java.util.Formatter.format(Formatter.java:2494)
at java.util.Formatter.format(Formatter.java:2423)
at java.lang.String.format(String.java:2792)
at com.beyond.controller.FileController.onSubmit(FileController.java:55)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2555)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2544)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
DEBUG - DispatcherServlet with name 'dispatcherServlet' processing POST request for [/Ddemo/file.do/list.do]
DEBUG - Looking up handler method for path /file.do/list.do
DEBUG - Returning handler method [public java.lang.String com.beyond.controller.FileController.loadFiles(javax.servlet.http.HttpServletRequest)]
DEBUG - Returning cached instance of singleton bean 'fileController'
DEBUG - Written [[]] as "text/html;charset=UTF-8" using [org.springframework.http.converter.StringHttpMessageConverter@1f8c2c00]
DEBUG - Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
DEBUG - Successfully completed request
DEBUG - DispatcherServlet with name 'dispatcherServlet' processing POST request for [/Ddemo/file.do/listall.do]
DEBUG - Looking up handler method for path /file.do/listall.do
DEBUG - Returning handler method [public java.lang.String com.beyond.controller.FileController.listallFile(javax.servlet.http.HttpServletRequest) throws java.lang.Exception]
DEBUG - Returning cached instance of singleton bean 'fileController'
DEBUG - Fetching JDBC Connection from DataSource
DEBUG - Returning JDBC Connection to DataSource
DEBUG - Written [[]] as "text/html;charset=UTF-8" using [org.springframework.http.converter.StringHttpMessageConverter@1f8c2c00]
DEBUG - Null ModelAndView returned to DispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling
DEBUG - Successfully completed request
DEBUG - DispatcherServlet with name 'dispatcherServlet' processing POST request for [/Ddemo/file.do/upload.do]
DEBUG - Found multipart file [filename] of size 86 bytes with original filename [adad.txt], stored in memory
DEBUG - Looking up handler method for path /file.do/upload.do
DEBUG - Returning handler method [public java.lang.String com.beyond.controller.FileController.onSubmit(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.lang.Exception]
DEBUG - Returning cached instance of singleton bean 'fileController'
DEBUG - Resolving exception from handler [public java.lang.String com.beyond.controller.FileController.onSubmit(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.lang.Exception]: java.util.IllegalFormatConversionException: d != java.lang.String
DEBUG - Resolving exception from handler [public java.lang.String com.beyond.controller.FileController.onSubmit(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.lang.Exception]: java.util.IllegalFormatConversionException: d != java.lang.String
DEBUG - Resolving exception from handler [public java.lang.String com.beyond.controller.FileController.onSubmit(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) throws java.lang.Exception]: java.util.IllegalFormatConversionException: d != java.lang.String
DEBUG - Cleaning up multipart file [filename] with original filename [adad.txt], stored in memory
DEBUG - Could not complete request

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