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Bug #27595 throw new Exception() crash
Submitted: 2004-03-14 08:47 UTC Modified: 2004-04-08 16:42 UTC
Votes:4
Avg. Score:4.5 ± 0.9
Reproduced:4 of 4 (100.0%)
Same Version:1 (25.0%)
Same OS:4 (100.0%)
From: tom at webcrumb dot com Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 5.0.0b4 (beta4) OS: Windows XP
Private report: No CVE-ID: None
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From: tom at webcrumb dot com
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 [2004-03-14 08:47 UTC] tom at webcrumb dot com
Description:
------------
The following test code runs fine the first 29 (your mileage may vary) times the page is viewed. On the 30th time, CPU usage shoots to 100% briefly and Apache 2 crashes hard.

'30' is the magic number for my system, I imagine your mileage may vary if this is - as I suspect - some sort of memory corruption bug.

The problem appears to be with the exception handling mechanism, since I can comment all the code out, or attempt to refresh the page 50+ times with a class declaration / simple method call.

Reproduce code:
---------------
<?php

try {
	throw new Exception( 'Testing' );
}
catch( Exception $e ) {
	echo $e->getMessage();
}

?>

Expected result:
----------------
'Testing' should appear on screen.

Actual result:
--------------
For the first 29 times the page is viewed, 'Testing' appears. On the 30th time, Apache 2 crashes hard.

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 [2004-03-15 13:59 UTC] sniper@php.net
Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip


 [2004-03-29 07:11 UTC] wf at bitplan dot com
5.0.0RC1 still has this bug - my mileage is "6"
 [2004-03-29 08:04 UTC] wf at bitplan dot com
You need to use Netscape to test this - IE will not ask the server to reexecute the code
 [2004-04-08 16:42 UTC] helly@php.net
See also #27895
 
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