# MySQL has gone away.

**URL:** <https://forum.shopware.com/t/mysql-has-gone-away/1715>\
**Category:** Shopware 3.5\
**Tags:** administration\
**Created:** [8. Februar 2011 um 19:09 UTC](https://forum.shopware.com/t/mysql-has-gone-away/1715 "2011-02-08T19:09:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![carloss](https://avatars.discourse-cdn.com/v4/letter/c/8e8cbc/32.png) [@carloss](https://forum.shopware.com/u/carloss)\
**Post date:** [8. Februar 2011 um 19:09 UTC](https://forum.shopware.com/t/mysql-has-gone-away/1715/1 "2011-02-08T19:09:56Z")

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Ich bekomme seit kurzem sehr oft Fehlermeldungen wie die Folgende in meinem Shop, aber eben auch nicht immer. Kann mir da jemand nen Tipp geben, woran es liegt/liegen könnte? [quote]Warning: PDO::\_\_construct() [pdo.–construct]: MySQL server has gone away in /var/www/engine/Enlight/Vendor/Zend/library/Zend/Db/Adapter/Pdo/Abstract.php on line 129 Fatal error: Uncaught exception ‚Zend\_Controller\_Response\_Exception‘ with message ‚Cannot send headers; headers already sent in /var/www/engine/Enlight/Vendor/Zend/library/Zend/Db/Adapter/Pdo/Abstract.php, line 129‘ in /var/www/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php:321 Stack trace: #0 /var/www/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php(115): Zend\_Controller\_Response\_Abstract-\>canSendHeaders(true) #1 /var/www/engine/Shopware/Controllers/Frontend/Error.php(26): Zend\_Controller\_Response\_Abstract-\>setHeader(‚Content-Type‘, ‚text/html; char…‘) #2 /var/www/engine/Enlight/Enlight/Controller/Action.php(55): Shopware\_Controllers\_Frontend\_Error-\>errorAction() #3 /var/www/engine/Enlight/Enlight/Controller/Dispatcher/DispatcherDefault.php(329): Enlight\_Controller\_Action-\>dispatch(‚errorAction‘) #4 /var/www/engine/Enlight/Enlight/Controller/Front.php(88): Enlight\_Controller\_Dispatcher\_DispatcherDefault-\>dispatch(Object(Enlight\_Controller\_Request\_RequestHttp), Object(En in /var/www/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php on line 321[/quote]