Coldfusion locking files when I upload then I can't delete

Question

I have been having a problem deleting images for a while now.
Everytime I upload a file with cffile I am unable to delete it for
an unknown amount of time. I cant delete it with cffile delete or
even delete it on the server manually. Its not a permissions issue
because I can delete other files in the folder. Just the ones that
were uploaded recently cannot be deleted or renamed. I ran the
process explorer and it was telling me that jrun.exe had a handle
on the picture names that were not able to be deleted. Is there a
way to tell jrun.exe to relese the photo before deletion?

Process Explorer Window

Process PID Type Handle or DLL
jrun.exe 111580 Handle C:\Inetpub\www\website\photo i can not
delete.jpg

Fernis · Answer

Since you mentioned JPEG, are you displaying the image just after the upload? In that case, it's the HTTP server (Apache, IIS, etc.) that's probably locking your file for a while. I don't know if there's really a way to overcome this.

What I would do (in a Content management system, for example), would be a specific file-task queue, which stores a record in the database if the file deletion didn't work (use try-catch), and then run a specific page once in a while (cfschedule) which tries to delete the files that are waiting for their doom.

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