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RE: scary "file not found" failures

From: jal0 <jal0_at_attbi.com>
Date: 2004-06-23 03:02:02 CEST

Just a question...

Are those of you experiencing this problem running any antivirus software?

I've seen a similar thing happening in Microsoft Visual Studios. When initiating a build, I get an "unable to access file. File may be missing or in use". If I immediately initiate another build it goes through with no problems.

The last time I saw this error message I went to explorer and the file in question had been renamed to some random file name with a .tmp extension .I opened it up in a txt editor as it _was_ the same file... only something had decided to rename it at exactly the same time msvc was trying to compile it.

By hitting the 'build' button, msvc re-saves all files automatically before rebuilding so no damage was done. Although once I _didn't_ do an immediate rebuild, but closed the application. The next time I open the project, the file had disappeared. That really sucked. Lucking I had a backup in my subversion repository :)

Anyway, I did some searching on google and found out that other had experienced the same issue and almost all of them had some form of 'Real Time Protection' or antivirus software installed. And the reason for the problems stemmed from the antivirus software trying to scan the file when a application first accesses it. If the timing is right the conflict arises.

I've also seen this issue manifest itself when trying to delete a file. Windows aborts the operation with an error stating it cant delete the file due to it's being used by another process... the antivirus software.

Anyway, maybe this is the problem some of you are seeing this happen sporadically. Try disabling the antivirus software for a while ( when you not surfing the net of course).

Hope this helps. This has been a bugger of a problem for me and I haven't been able to find a solution yet.


-----Original Message-----
From: Jonathan Boutelle [mailto:jon@uzanto.com]
Sent: Friday, June 18, 2004 9:12 PM
To: Branko Čibej
Cc: users@subversion.tigris.org
Subject: Re: scary "file not found" failures

If all someone is doing is constantly updating a subsection of the tree,
and occasionally individual files (via.Tortoise SVN), where would the
potential confusion come from that would cause intermittent failure in this

Is there some mistake you can make during setup that would cause
intermittent failure at runtime? (Maybe something to do with the file
system of the server being FAT32 instead of NTFS or something?). Because
frankly I'm not doing anything complicated enough to mess up when the error
occurs: I'm just right-clicking and selecting update.

I will try to isolate when this bug occurs: it IS happening (sporadically)
on multiple machines in my network.


At 05:46 PM 6/18/2004, you wrote:
>Jonathan Boutelle wrote:
> > Oh - boy. Well at least I'm not alone. Yeah, from the reading that
> > sounds like exactly what I've got.
> > Am I correct that efforts to isolate this bug have foundered (the bug
> > is "closed" in the database)?
>Yes, I closed the bug because I am unable to reproduce it, and nobody
>else has yet found a recipe that consistently produces this error. So I
>suspect it's user confusion, compounded by a not-as-clear-as-could be
>error message.
> > BTW, updating at a "higher" level (the root, instead of the "rumm"
> > directory only) fixed the problem (which doesn't make any sense, but
> > there you go).
>Well, _that_ sounds like it could be a bug. I've seen something similar
>happen in other cases on Windows, but again never found a consistently
>reproducible case. If you could figure out exactly what happened (in
>your working copy and on the server), it would be a great help. If you
>do find a recipe, just attach it to issue 1862, and I'll pick it up from
>Brane Èibej <brane_at_xbc.nu> http://www.xbc.nu/brane/

Jon Boutelle
Principal, Uzanto Consulting
San Francisco, CA

Phone: 510-708-9825
urls: www.uzanto.com

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Received on Wed Jun 23 03:03:23 2004

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