c# - File.Move Not Working, No Error -


i'm running issues trying move flat html files around on server.

in short, process says should take whatever file in newpath (if there one) , move backup folder. take file in old path , move new path. checks see if successful (i.e. newpath exist) , if wasn't, replaces backup. i've pasted method below viewing pleasure.

    public bool movecontent(string oldpath, string newpath, string backupdirectorypath, out string backuppath)     {         backuppath = string.empty;         var oldfilepath = httpcontext.current.server.mappath(oldpath);         var newfilepath = httpcontext.current.server.mappath(newpath);         var newdirectory = path.getdirectoryname(newfilepath);          // if file we're moving doesn't exist, fail.         if (!file.exists(oldfilepath))             throw new invalidpathexception(oldfilepath);          // if no destination found, fail.         if (string.isnullorwhitespace(newdirectory))             throw new invalidpathexception(newfilepath);          if (!directory.exists(newdirectory))             directory.createdirectory(newdirectory);          var backupphysicalpath = string.empty;         // if there file in our destination, 1 up.         if (file.exists(newfilepath) && !string.isnullorwhitespace(backupdirectorypath))         {             var backupfilepath = httpcontext.current.server.mappath(backupdirectorypath);             var backupdirectory = path.getdirectoryname(backupfilepath);              // if backup destination doesn't exist, fail.             if(string.isnullorwhitespace(backupdirectory))                 throw new invalidpathexception(backupdirectory);              if(!directory.exists(backupdirectory))                 directory.createdirectory(backupdirectory);              var filename = path.getfilenamewithoutextension(newfilepath);             var currentdatetime = datetime.now.tostring(filehelpers.tempfiledateformat);             var fileextension = path.getextension(newfilepath);             // example result: hardware-2015-01-30-08-35-26-475.html             backuppath = backupdirectorypath.replace(filename, filename + "-" + currentdatetime);             backupphysicalpath = string.format("{0}\\{1}-{2}{3}", backupdirectory, filename, currentdatetime, fileextension);              // if there file in our backup destination, fail.             if (file.exists(backupphysicalpath))                 throw new invalidpathexception(backupphysicalpath);              // backup file exists in our new destination.             file.move(newfilepath, backupphysicalpath);         }          // move our file new destination.         file.move(oldfilepath, newfilepath);          // return false if new file doesn't exist.         if (!file.exists(newfilepath))         {             // if made backup, return backup original loction, since there's nothing in destination.             if (!string.isnullorwhitespace(backupphysicalpath) && file.exists(backupphysicalpath))             {                 file.move(backupphysicalpath, newfilepath);             }              throw new exception(string.format("failed move content. oldpath: '{0}'; newpath: '{1}'; backuppath: '{2}'", oldfilepath, newfilepath, backupphysicalpath));         }          return true;     }

here's example of parameters being passed in:

oldpath: "/client/content/en/unpublished/anpan.html" newpath: "/client/content/en/anpan.html" backupdirectorypath: "/client/content/en/backups/anpan.html"

the problem i'm running backup file made (it move newpath backuppath), won't move oldpath newpath.

i've been unable reproduce issue happens infrequently , without exceptions being thrown, symptoms exist (i can see files on filesystem when client reports issue) , it's been reported multiple times.

i put logging around , wrapped entire method in try/catch. never fails unexpectedly (except when throw invalidpathexception). there nothing in logs when happens.

can me diagnose issue, or tell me if i'm doing wrong in method cause problem?

thanks much!


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