ID: 44942
User updated by: inqualab1985 at gmail dot com
Reported By: inqualab1985 at gmail dot com
Status: Open
Bug Type: Program Execution
Operating System: Microsoft Window 2000 SP4
PHP Version: 5.2.5
New Comment:
Dear markus
In the first sight, I also understand that this happen only when
multiple request hit the script with exec(). But in reality there is no
guarantee that if the request goes one by one Hanging will not happen. I
had done a test at the time of writing this bug in which call the script
one by one but it randomly hanged up again after a period of time. At
that time period is long.
So dear PHP team , you have to really look up this matter.
Thanks
Previous Comments:
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[2008-07-03 20:33:19] markus at opahle dot com
Windows XP SP3
Apache 2.2.6
PHP 5.2.6
I have the same problem.
I noticed that apache only hangs up when a php script with an exec
command was called twice at the same time.
The problem also ocours when I tried to use popen or proc_open(with and
without bypass_shell option)
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[2008-06-10 14:59:10] aleaddict at yahoo dot com
Windows Server 2003 R2 Service Pack 1
Apache 2.2.6
PHP 5.2.4 (upgraded to 5.2.6 with no success)
Executing resource kit utility shortcut.exe via exec() with EXACTLY the
same results... Random, no errors logged, hangs up all succeeding calls
to exec(), requires restart.
Keith
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[2008-05-14 07:56:17] inqualab1985 at gmail dot com
Dear Jani
There is no problem with 'sample.exe'. I have tested the same for
different exe or even for dos command. It hangs when we are calling the
page at regular interval of time (through Ajax).
There is a problem in the definition of exec() function.
For any further information , feel free to contact me.
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[2008-05-09 14:20:40] [EMAIL PROTECTED]
What exactly does this "sample.exe" do? It's most likely not any PHP
problem at all anyway, you just call some exe that "hangs" itself..
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[2008-05-08 05:40:53] inqualab1985 at gmail dot com
Description:
------------
Hi! PHP Team
I am facing a problem of apache hang up due to exec() function.
I am using PHP 5.2.5 and Apache 2.2 on MS Window 2000 SP4 & also on MS
Window XP.
The problem is that I have to execute a exe, for which I have use
exec(). Normally it works Fine, but sometime (randomly) it hang up. It
will lock the apache and if we call the same page or any other page of
php having exec(), it hang up at the line where exec() function is used.
If we commented the line having exec(), then the page run & loaded
correctly.
The problem also become critical because there is no error for this.
Also none of the error handling & logging mechanism works.
The only solution to this problem is to restart the Apache.
I am providing you as much as information as possible to catch the
problem correctly.
Reproduce code:
---------------
$exeFilePath = realpath("../sample.exe");
if (eregi("win", PHP_OS))
$command = "\"\"$exeFilePath\" argument1\"";
else
$command = "\"$exeFilePath\" argument1";
$output = null;
$returnVal = null;
$result = exec($command,$output,$returnVal);
if($returnVal !=0)
echo "Error";
else
echo $output[0];
echo "end of the program";
Expected result:
----------------
it will show the output of exe for particular argument.
Actual result:
--------------
Normally it works correctly as expected but sometime the the execution
of the page hang at line "$result = exec($command,$output,$returnVal);"
. After this has happen I am not able to run any script that will use
the exec(). In all scripts apache hangs at exec() function, do not
matter which exe will be called.
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Edit this bug report at http://bugs.php.net/?id=44942&edit=1
