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Additional information:

RedisException

File:
/var/www/html/velog.rs/site.201507261345/vendor/doctrine/cache/lib/Doctrine/Common/Cache/RedisCache.php:102
Message:
MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
Stack trace:
#0 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/cache/lib/Doctrine/Common/Cache/RedisCache.php(102): Redis->set('[21f193e0658836...', Object(Doctrine\ORM\Query\ParserResult))
#1 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/cache/lib/Doctrine/Common/Cache/CacheProvider.php(115): Doctrine\Common\Cache\RedisCache->doSave('[21f193e0658836...', Object(Doctrine\ORM\Query\ParserResult), NULL)
#2 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php(283): Doctrine\Common\Cache\CacheProvider->save('21f193e06588366...', Object(Doctrine\ORM\Query\ParserResult), NULL)
#3 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php(293): Doctrine\ORM\Query->_parse()
#4 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(969): Doctrine\ORM\Query->_doExecute()
#5 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(924): Doctrine\ORM\AbstractQuery->executeIgnoreQueryCache(NULL, 4)
#6 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(804): Doctrine\ORM\AbstractQuery->execute(NULL, 4)
#7 /var/www/html/velog.rs/site.201507261345/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(833): Doctrine\ORM\AbstractQuery->getSingleResult(4)
#8 /var/www/html/velog.rs/site.201507261345/vendor/codeion/ecom-review/src/EcomReview/Repository/ReviewRepository.php(63): Doctrine\ORM\AbstractQuery->getSingleScalarResult()
#9 /var/www/html/velog.rs/site.201507261345/vendor/codeion/ecom-review/src/EcomReview/Service/ReviewService.php(49): EcomReview\Repository\ReviewRepository->countReviews(9939)
#10 /var/www/html/velog.rs/site.201507261345/vendor/codeion/ecom-review/src/EcomReview/View/Helper/ReviewHelper.php(33): EcomReview\Service\ReviewService->countReviews(9939)
#11 [internal function]: EcomReview\View\Helper\ReviewHelper->__invoke(Object(EcomProduct\Entity\Product))
#12 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/View/Renderer/PhpRenderer.php(399): call_user_func_array(Object(EcomReview\View\Helper\ReviewHelper), Array)
#13 /var/www/html/velog.rs/site.201507261345/vendor/codeion/ecom-product/view/ecom-product/product/index.phtml(109): Zend\View\Renderer\PhpRenderer->__call('review_helper', Array)
#14 /var/www/html/velog.rs/site.201507261345/vendor/codeion/ecom-product/view/ecom-product/product/index.phtml(109): Zend\View\Renderer\PhpRenderer->review_helper(Object(EcomProduct\Entity\Product))
#15 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/View/Renderer/PhpRenderer.php(506): include('/var/www/html/v...')
#16 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/View/View.php(205): Zend\View\Renderer\PhpRenderer->render(Object(Zend\View\Model\ViewModel))
#17 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/View/View.php(233): Zend\View\View->render(Object(Zend\View\Model\ViewModel))
#18 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/View/View.php(198): Zend\View\View->renderChildren(Object(Zend\View\Model\ViewModel))
#19 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/Mvc/View/Http/DefaultRenderingStrategy.php(103): Zend\View\View->render(Object(Zend\View\Model\ViewModel))
#20 [internal function]: Zend\Mvc\View\Http\DefaultRenderingStrategy->render(Object(Zend\Mvc\MvcEvent))
#21 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(468): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#22 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/EventManager/EventManager.php(207): Zend\EventManager\EventManager->triggerListeners('render', Object(Zend\Mvc\MvcEvent), Array)
#23 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/Mvc/Application.php(352): Zend\EventManager\EventManager->trigger('render', Object(Zend\Mvc\MvcEvent))
#24 /var/www/html/velog.rs/site.201507261345/vendor/zendframework/zendframework/library/Zend/Mvc/Application.php(327): Zend\Mvc\Application->completeRequest(Object(Zend\Mvc\MvcEvent))
#25 /var/www/html/velog.rs/site.201507261345/public/index.php(31): Zend\Mvc\Application->run()
#26 {main}
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