You're both right, it is not necessary java fault (I remembered an old java issue with File.renameTo). Anyway, the validation's trick should make it work.
2011/1/18 Burton Rhodes <burtonrho...@gmail.com>: > Struts file uploader actually gives me the fileName and contentType of > the file via the form! There just no file in the work directory. In my > opinion that is a bug. > > On Tue, Jan 18, 2011 at 3:46 PM, Burton Rhodes <burtonrho...@gmail.com> wrote: >> Well that line actually only gets an error because the file >> (empty.txt) never gets uploaded to the "work" directory. My hunch was >> that the Struts FileUploadInterceptor was not copying the file over if >> the length of the file was "0". So the exception is caused because >> the file simply doesn't exist when in technically there should be a 0 >> byte file there. >> >> On Tue, Jan 18, 2011 at 3:39 PM, Maurizio Cucchiara >> <maurizio.cucchi...@gmail.com> wrote: >>> Looking at the stacktrace you reported, it is obvious that's a java thing: >>> at java.io.FileInputStream.open(Native Method) >>> at java.io.FileInputStream.<init>(FileInputStream.java:137) >>> >>> >>> >>> 2011/1/18 Paul Benedict <pbened...@apache.org>: >>>> Burton, >>>> >>>> I don't know if this is an issue with Struts or the servlet container. I >>>> suppose a 0 file upload should be allowed, or is it considered an aborted >>>> stream? I don't know. It's an interesting question. >>>> >>>> Paul >>>> >>>> On Tue, Jan 18, 2011 at 3:33 PM, Burton Rhodes >>>> <burtonrho...@gmail.com>wrote: >>>> >>>>> Paul & Maurizio - >>>>> >>>>> Point taken. I know it's a rare case, but I do feel like an empty >>>>> file should be treated as fairly as a a non-empty file. If a user >>>>> wants to do that, I think they should be allowed. Otherwise, avoiding >>>>> the exception can be solved with a bit more work on my part - I just >>>>> think telling the user that the file doesn't contain any data is not >>>>> mine to worry about. >>>>> >>>>> I included a debug log file if anyone cares. >>>>> >>>>> On Tue, Jan 18, 2011 at 3:21 PM, Maurizio Cucchiara >>>>> <maurizio.cucchi...@gmail.com> wrote: >>>>> > Do you want allow empty files or avoid exception stuff? >>>>> > >>>>> > 2011/1/18 Burton Rhodes <burtonrho...@gmail.com>: >>>>> >> Bump. >>>>> >> >>>>> >> Has anyone tried to upload an empty file using Struts2/Apache/Tomcat >>>>> >> configuration - e.g. test.txt with 0 bytes? I have stepped through >>>>> >> the FileUploadInterceptor Class and cannot locate why an empty file is >>>>> >> not uploaded to the "work" directory. When I upload a file that is 1+ >>>>> >> bytes in size, everything works fine. This is true for both my Jetty >>>>> >> development enivronment & Tomcat testing server. A 0 byte file is not >>>>> >> NULL, so I wondering why there is an issue. Anyone experienced this >>>>> >> or would you be able to test on one of your applications to know if >>>>> >> I'm crazy or not? Or is this entirely unrelated to Struts? >>>>> >> >>>>> >> Any thoughts are appreciated. >>>>> >> >>>>> >> On Mon, Jan 17, 2011 at 5:46 PM, Burton Rhodes <burtonrho...@gmail.com> >>>>> wrote: >>>>> >>> For some reason when a user uploades a file to my Struts application >>>>> >>> that has a size of "0 bytes", the file is not copied to the work >>>>> >>> directory of my tomcat server. Is this a bug or a feature? Below is >>>>> >>> a stacktrace of when I tried to upload "test2.txt" with no data (0 >>>>> >>> bytes). Shouldn't Struts copy the file regardless of the size? Or is >>>>> >>> this not related to struts? Thanks! >>>>> >>> >>>>> >>> FATAL: Error uploading transaction attachment. >>>>> >>> java.io.FileNotFoundException: >>>>> >>> >>>>> /var/lib/tomcat6/work/Catalina/localhost/afs/upload__31e58b4_12d9656546d__8000_00000017.tmp >>>>> >>> (No such file or directory) >>>>> >>> at java.io.FileInputStream.open(Native Method) >>>>> >>> at java.io.FileInputStream.<init>(FileInputStream.java:137) >>>>> >>> at com.afs.util.MyFileUtil.copyFile(MyFileUtil.java:37) >>>>> >>> at >>>>> com.afs.web.action.xaction.XactionAttachmentUploadAction.addFileToXaction(XactionAttachmentUploadAction.java:208) >>>>> >>> at >>>>> com.afs.web.action.xaction.XactionAttachmentUploadAction.upload(XactionAttachmentUploadAction.java:156) >>>>> >>> 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:616) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263) >>>>> >>> at >>>>> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:133) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:314) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:142) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.afs.web.interceptor.SessionInterceptor.intercept(SessionInterceptor.java:57) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> com.afs.web.interceptor.NoCacheInterceptor.intercept(NoCacheInterceptor.java:31) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:314) >>>>> >>> at >>>>> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) >>>>> >>> at >>>>> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52) >>>>> >>> at >>>>> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485) >>>>> >>> at >>>>> org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) >>>>> >>> at >>>>> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368) >>>>> >>> at >>>>> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) >>>>> >>> at >>>>> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:119) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:109) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >>>>> >>> at >>>>> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169) >>>>> >>> at >>>>> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237) >>>>> >>> at >>>>> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >>>>> >>> at >>>>> org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113) >>>>> >>> at >>>>> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >>>>> >>> at >>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >>>>> >>> at >>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) >>>>> >>> at >>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) >>>>> >>> at >>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465) >>>>> >>> at >>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >>>>> >>> at >>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >>>>> >>> at >>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >>>>> >>> at >>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) >>>>> >>> at >>>>> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) >>>>> >>> at >>>>> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291) >>>>> >>> at >>>>> org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769) >>>>> >>> at >>>>> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698) >>>>> >>> at >>>>> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891) >>>>> >>> at >>>>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) >>>>> >>> at java.lang.Thread.run(Thread.java:636) >>>>> >>> >>>>> >> >>>>> >> --------------------------------------------------------------------- >>>>> >> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>>>> >> For additional commands, e-mail: user-h...@struts.apache.org >>>>> >> >>>>> >> >>>>> > >>>>> > >>>>> > >>>>> > -- >>>>> > Maurizio Cucchiara >>>>> > >>>>> > --------------------------------------------------------------------- >>>>> > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>>>> > For additional commands, e-mail: user-h...@struts.apache.org >>>>> > >>>>> > >>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>>>> For additional commands, e-mail: user-h...@struts.apache.org >>>>> >>>> >>> >>> >>> >>> -- >>> Maurizio Cucchiara >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>> For additional commands, e-mail: user-h...@struts.apache.org >>> >>> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > -- Maurizio Cucchiara 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