Bug #75595 [NEW]: Database connect

From: markus at prepaid-order dot com Operating system: ubuntu 16.04 PHP version: 7.1.12 Package: PDO MySQL Bug Type: Bug Bug description:Database connect Description: ------------ simple mariadb PDO connect and give result after success... when Database is available all worked fine.... shut down DB instance manual and host is not available call simple php script with this function... if Database is down catch block will not work and php is working and after that following Message appear. Fatal error: Allowed memory size of 629145600 bytes exhausted (tried to allocate 20480 bytes) my php function shows like this. the Code worked before,source code have never changed. tested with arbitrary php_memory limit,but the issue is still available... testet with php 5.6,7.0,7.1 (default)... it works fine with 7.1,but have no idea... timeout array in PDO constructor have also removed... Test script: --------------- > function getDBConnection() > { > global $pdo; > try { > if ($pdo == null) > $pdo = new PDO( > > 'mysql:host=databaseHost;dbname=someDatabase;charset=utf8mb4', > 'removed', > 'removed_too' > ); > } catch (Exception $ex) { > > generateErrorPlistWithFailReason(ErrorCodes::DATABASE_IS_DOWN, > exit(); > } > return $pdo; > } Expected result: ---------------- resource result and or result from catch block (if databse is down/notavailable)... Actual result: -------------- after timeout Fatal error: Allowed memory size of 629145600 bytes exhausted (tried to allocate 20480 bytes) -- Edit bug report at https://bugs.php.net/bug.php?id=75595&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75595&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75595&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75595&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75595&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75595&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75595&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75595&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75595&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75595&r=support Expected behavior: https://bugs.php.net/fix.php?id=75595&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75595&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75595&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75595&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75595&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75595&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75595&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75595&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75595&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75595&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75595&r=mysqlcfg