Side-by-side configuration is incorrect reported as permission denied

Andrew DeFaria
Sun Aug 12 09:07:00 GMT 2012

On 08/11/2012 12:22 PM, Christopher Faylor wrote:
> On Sat, Aug 11, 2012 at 10:32:13AM -0700, Andrew DeFaria wrote:
>> On 08/10/2012 07:32 PM, Larry Hall (Cygwin) wrote:
>>> On 8/10/2012 7:31 PM, Andrew DeFaria wrote:
>>>> I use Cygwin a lot. And I kick off Windows processes a lot. Recently
>>>> I've
>>>> been having a problem with my system but from Cygwin all I see is
>>>> "permission denied":
>>>>      Ltsdo-adefaria:cd /cygdrive/c/Program\
>>>> Files/IBM/RationalSDLC/Clearquest
>>>>      Ltsdo-adefaria:ls -l clearquest.exe
>>>>      -rwxr-xr-x+ 1 Administrators clearusers 245760 Jun  2  2011
>>>>      clearquest.exe*
>>>>      Ltsdo-adefaria:clearquest
>>>>      bash: ./clearquest: Permission denied
>>>>      Ltsdo-adefaria:
>>>> However if I use cmd the real error message comes out:
>>>>      Ltsdo-adefaria:cmd /c clearquest
>>>>      The application has failed to start because its side-by-side
>>>>      configuration is incorrect. Please see the application event log or
>>>>      use the command-line sxstrace.exe tool for more detail.
>>>> I know that this "side-by-side configuration is incorrect" is a
>>>> configuration error on my machine and I need to fix it, but shouldn't
>>>> Cygwin's exec(2) report the "side-by-side" error instead of the more
>>>> erroneous "Permission denied" error?
>>> Cygwin doesn't report Windows error codes.  It reports POSIX ones.  I
>>> have no idea why there would be a POSIX error code for side-by-side
>>> errors but if there were, then reporting that is more appropriate.
>> I thought that perhaps Cygwin would report back error *messages* not
>> just error *codes*...
> Cygwin emulates Linux.  "Permission denied" is an error message associated
> with a specific errno.  Neither Cygwin nor Linux know anything about a
> "side-by-side" configuration problem.
Which is really all the more reason to output the Windows error message 
along with perhaps the status code. That is if the goal is 
understandability. If the goal is obfuscation then I'd say your well on 
your way to hitting your mark. ;-)
Andrew DeFaria <>
Your child may be an honor student but you're still an idiot.

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