Lost connection to Redis server.

#0 /var/www/webroot/ROOT/lib/Credis/Client.php(825): Credis_Client->read_reply('hget')
#1 /var/www/webroot/ROOT/lib/Cm/Cache/Backend/Redis.php(198): Credis_Client->__call('hget', Array)
#2 /var/www/webroot/ROOT/lib/Zend/Cache/Core.php(306): Cm_Cache_Backend_Redis->load('e34_APP_4E4ABDD...', false)
#3 /var/www/webroot/ROOT/lib/Varien/Cache/Core.php(158): Zend_Cache_Core->load('e34_APP_4E4ABDD...', false, false)
#4 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Cache.php(379): Varien_Cache_Core->load('APP_4E4ABDD8DC0...')
#5 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/App.php(1153): Mage_Core_Model_Cache->load('app_4e4abdd8dc0...')
#6 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(675): Mage_Core_Model_App->loadCache('app_4e4abdd8dc0...')
#7 /var/www/webroot/ROOT/lib/Varien/Data/Collection/Db.php(732): Mage_Core_Model_Resource_Db_Collection_Abstract->_loadCache('SELECT `main_ta...')
#8 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(521): Varien_Data_Collection_Db->_fetchAll('SELECT `main_ta...', Array)
#9 /var/www/webroot/ROOT/lib/Varien/Data/Collection/Db.php(572): Mage_Core_Model_Resource_Db_Collection_Abstract->getData()
#10 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Resource/Store/Collection.php(174): Varien_Data_Collection_Db->load(false, false)
#11 /var/www/webroot/ROOT/lib/Varien/Data/Collection.php(758): Mage_Core_Model_Resource_Store_Collection->load()
#12 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/App.php(635): Varien_Data_Collection->count()
#13 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/App.php(477): Mage_Core_Model_App->_initStores()
#14 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/App.php(360): Mage_Core_Model_App->_initCurrentStore('', 'store')
#15 /var/www/webroot/ROOT/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#16 /var/www/webroot/ROOT/index.php(96): Mage::run('', 'store')
#17 {main}