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Re: IOError in windows service

En Mon, 26 May 2008 06:41:26 -0300, Aspersieman <as*********@gm ail.comescribió :
I have a script (attached) that creates a windows service. Basically the
service periodically runs a program 'program.exe'. This all works fine,
but during testing I discovered that if I include any 'print' statements
(used to debug the service when its run in 'debug' mode), when _not_ in
debug mode, it throws an error:

The instance's SvcRun() method failed
File "C:\Python25\Li b\site-packages\win32\ lib\win32servic eutil.py",
line 785, in SvcRun
File "C:\Program Files\Program\M yService.py", line 28, in SvcDoRun
print "Entering while loop..."
<type 'exceptions.IOE rror'>: (9, 'Bad file descriptor')

I have removed the 'print' statements, after which the service runs
fine, but was just curious to find out the reason for this error.
Usually services don't have a console attached so sys.stdout is invalid. Just don't print anything...

Gabriel Genellina

Jun 27 '08 #1
0 718

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