Posted by Jerry Stuckle on 12/28/07 01:57

Betikci Boris wrote:
> On Dec 21, 3:01 pm, wart...@hotmail.com wrote:
>> Hello
>>
>> I have a php site. Some page needs to call an external program. The
>> programs are home made c# applications.
>>
>> It uses to work without problem. For a while. Maybe it work for some
>> hour. Or for a day. Or even for a week.
>>
>> At a certain point, when a php script calls the exe file, the
>> application freezes. The following happens:
>>
>> <?
>> $return_value = exec('path_to_exe_file');
>> echo $return_value;
>> ?>
>>
>> Well, the exec is executed (I can see that, the exe fil does what it
>> has to do). But it doesnt return to the php-script. The php-script
>> waits infinitely that the app will return, but it will not return. At
>> a certain point the time execution exeedes.
>>
>> If I go to the command line and execute an exe file (the same one that
>> exec calls), then it works without problem, and returns immediatly.
>> But from the exec call it doesnt return.
>>
>> How do I solve this? Well, I restart the server. And hen everything
>> works again. Which means that the script can use exec again without
>> waiting infinitely.
>>
>> When the problems begin (when the exec begins to fail) the server can
>> still work without problem. All the scripts run. The only scripts that
>> dont run are those that have the exec call inside.
>>
>> error.log doesnt says anything about this.
>>
>> Im running apache 2.X on windows server 2003. PHP version is 5.x.
>>
>> I have put log function before and after every single call to exec. I
>> analyzed it, but I can not understand why the exec fails. It only
>> stops to get back the return value from the c# app. The c# app can
>> also be a simple one with only a console.write (something like echo).
>> But when exec has hanged up neither that will work.
>>
>> Someone can see the problem?
>
> Bad combination! Apache server on Windows 2003 server. Thy combination
> really diminishes the performance and may cause those freezes
>
> You should switch to GNU/Linux-Apache/php or Windows2003/IIS/Asp.NET
>
>

Horse hockey. Apache runs quite well on Windows - much better than IIS does.

But I do agree Linux is a better os.

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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