Re: exec command fails in php, works in the command line

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convert doesn't produce any output regardless of whether it works or not. Ecasound produces output when it works, but when it doesn't, it produces no output. Using php tricks to capture standard error also produces no output.



 On Wed, 21 Sep 2005, John Nichel wrote:

ernst@xxxxxxxxxxxxxxx wrote:
as I said, the default timout is 300 seconds, a lot longer than my program takes to run, and I am pretty certain that if timeout were triggered, I'd see it in the client. Yeah, I'm using a browser on the php page, and everything seems to function fine from the browser to the server, it's after the server gets the uploaded file and begins to play with it that things become weird.

What's the output of...

$output = shell_exec ( '/path/to/your/app' );
echo ( "<pre>" . $output . "</pre>" );

...when it doesn't work?

 On Wed, 21 Sep 2005, John Nichel wrote:

ernst@xxxxxxxxxxxxxxx wrote:

timeout isn't being used on either of these machines, and as far as I read it, the timeout directive would make the web server fail, producing an apache error or some strange behaviour on the client end. Neither of


How is timeout _not_ being used? It's a core directive. If the timeout is reached, the thread dies, along with anything running with it.

these happens, the php script completes normally, but the exec command (and only these exec commands, I'm using others in the script that work fine) doesn't always complete. Even if timeout was set to its normal default of 300 seconds, this all happens way before 300 seconds have passed. The whole process takes about 20 or 30 seconds.


Just to make sure I'm understanding you, you're hitting the php page in a browser, right? Like you're going to http://www.yourhost.com/page.php where page.php contains somthing like...

<?php

exec ( '/path/myapp', $out, $res );

?>

Right?

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John C. Nichel
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john@xxxxxxxxxxxx

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John C. Nichel
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716.856.9675
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