ID: 44994
Comment by: aliks0905 at gmail dot com
Reported By: dbarrett at vistaprint dot com
Status: Assigned
Bug Type: Program Execution
Operating System: win32 only - 2003 Server, 64-bit
PHP Version: 5.2.6
Assigned To: pajoye
New Comment:
I have the same issue as well. I use the exec() function to
simultaneously upload files and sometimes cmd.exe freezes and all
following uploads fail.
I run on a Windows 2003 Server using Apache 2.2.11 and PHP 5.2.9
Looking forward to hearing a solution.
Previous Comments:
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[2009-02-27 18:58:20] alex at alexi dot ch
Hi all,
I can fully confirm the above behaviour on the Windows platform. We are
using Apache FOP to create PDF-Files out of PHP, so we are invoking
exec() to start the command line FOP processor.
With several versions of PHP 5.2.x (5.2.4, 5.2.6, 5.2.8), this problem
occurs soon as more than one user is invoking the exec().
Luckily we could not reproduce this behaviour using PHP 5.1.x, so
downgrading to a 5.1.x version might also be an option for you.
Regards
alex
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[2009-01-16 17:17:44] schreiber at cs-itc dot de
Same problems on w2k3 server x64 SP2 with apache 2.2.8 + 2.2.11 and
php 5.2.0 up to 5.2.8 -> using exec() the shellproc cmd.exe hangs and
httpd is blocked for further ops, can just be cured by restart of apache
services. Workaround with COM object helps, but thats no lucky
solution...
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[2009-01-13 18:44:15] irdev at rogers dot com
I have been experiencing this issue as well. The server is Windows 2003
with all patches up to date running IIS. PHP version is 5.2.5. I am
running a commandline process using exec(). I have also tried passthru
and shell_exec with the same results. Problem is intermittent and can
not be replicated on demand. The processes themselves can not be killed
until the IIS worker process is killed first although they do complete
all the work they are supposed to. The commands do not die on script
timeout.
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[2008-12-02 14:34:25] brem at martinbreton dot com
If that's any help, I'm using a COM object as a workaround for this
bug, and while it makes this bug appear less frequently, it still
happens, randomly, from time to time.
Here's what i did as a workaround using the exec() function call:
$WshShell = new COM("WScript.Shell");
$OutputFile = "C:\\Temp\\output.txt";
$Command = "cmd /C MyApp.exe > $OutputFile";
$WshShell->Run( $Command, 0, true );
file_get_contents( $OutputFile ) );
unlink( $OutputFile );
------------------------------------------------------------------------
[2008-11-18 08:46:34] bernd dot ebert at gmx dot net
Same Problem here with an commandline-script calling other
php-commandline-scripts. It seems to happen more frequently if you have
a lot of exec-calls.
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