From:             
Operating system: Linux
PHP version:      5.3.3
Package:          Scripting Engine problem
Bug Type:         Bug
Bug description:Exception not caught sometimes

Description:
------------
An Exception thrown is not caught by the corresponding catch block, instead
the global exception handler is invoked. That only happens on one page
during a long selenium test case. The bug is reproduceable with the
selenium test script, but stripping the code to a small example does not
result in an error. Will will add the stripped version of the code which
does not fail, but show the code.



The System is a 64bit Zend Server 5.3 CE on CentOS 5.5. The same code on a
Zend Server 5.2 CE does not have this problem. The problem also occurred in
PHP 5.3.2





In the example script $defer should be set to true but instead of catching
the excepetion in that block the global exception handler is called.



A fix for this is currently to use bofre the throw:

if (version_compare(PHP_VERSION, '5.3.0', '>=') &&
version_compare(PHP_VERSION, '5.3.3', '<=')) {

   set_exception_handler(create_function('$exception', 'return $exception
instanceof iwat_ui_controller_ObjectSaveDeferredException ? true :
userExceptionHandler($exception);'));

}

as the application behaves as expected, but that bug still exists.
Disabling all Zend modules has no effect

Test script:
---------------
try {

    doSave();

} catch (iwat_ui_controller_ObjectSaveDeferredException $e) {

    $defer = true;

} catch (IWATException $e) {

}



function doSave() {

    throw new iwat_ui_controller_ObjectSaveDeferredException();

}


-- 
Edit bug report at http://bugs.php.net/bug.php?id=52890&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=52890&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=52890&r=trysnapshot53
Try a snapshot (trunk):              
http://bugs.php.net/fix.php?id=52890&r=trysnapshottrunk
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=52890&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=52890&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=52890&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=52890&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=52890&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=52890&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=52890&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=52890&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=52890&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=52890&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=52890&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=52890&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=52890&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=52890&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=52890&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=52890&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=52890&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=52890&r=mysqlcfg

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