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_Zend_Locale...', false)
#3 /var/www/webroot/ROOT/lib/Varien/Cache/Core.php(158): Zend_Cache_Core->load('e34_Zend_Locale...', false, false)
#4 /var/www/webroot/ROOT/lib/Zend/Locale/Data.php(338): Varien_Cache_Core->load('Zend_LocaleL_el...')
#5 /var/www/webroot/ROOT/lib/Zend/Locale/Format.php(311): Zend_Locale_Data::getList('el_GR', 'symbols')
#6 /var/www/webroot/ROOT/lib/Zend/Currency.php(194): Zend_Locale_Format::toNumber('530.000000', Array)
#7 /var/www/webroot/ROOT/app/code/core/Mage/Directory/Model/Currency.php(270): Zend_Currency->toCurrency('530.000000', Array)
#8 /var/www/webroot/ROOT/app/code/core/Mage/Directory/Model/Currency.php(242): Mage_Directory_Model_Currency->formatTxt('530.000000', Array)
#9 /var/www/webroot/ROOT/app/code/core/Mage/Directory/Model/Currency.php(222): Mage_Directory_Model_Currency->formatPrecision(530, 2, Array, true, false)
#10 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Store.php(1008): Mage_Directory_Model_Currency->format(530, Array, true)
#11 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Model/Layer/Filter/Price.php(206): Mage_Core_Model_Store->formatPrice(530)
#12 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Model/Layer/Filter/Price.php(327): Mage_Catalog_Model_Layer_Filter_Price->_renderRangeLabel(530, '')
#13 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/Model/Catalog/Layer/Filter/Price/Price17ce.php(130): Mage_Catalog_Model_Layer_Filter_Price->_getItemsData()
#14 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Model/Layer/Filter/Abstract.php(151): Amasty_Shopby_Model_Catalog_Layer_Filter_Price_Price17ce->_getItemsData()
#15 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Model/Layer/Filter/Abstract.php(120): Mage_Catalog_Model_Layer_Filter_Abstract->_initItems()
#16 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Model/Layer/Filter/Abstract.php(109): Mage_Catalog_Model_Layer_Filter_Abstract->getItems()
#17 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/Model/Catalog/Layer/Filter/Price.php(59): Mage_Catalog_Model_Layer_Filter_Abstract->getItemsCount()
#18 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Block/Layer/Filter/Abstract.php(132): Amasty_Shopby_Model_Catalog_Layer_Filter_Price->getItemsCount()
#19 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/Block/Catalog/Layer/View.php(217): Mage_Catalog_Block_Layer_Filter_Abstract->getItemsCount()
#20 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/Block/Catalog/Layer/View.php(71): Amasty_Shopby_Block_Catalog_Layer_View->computeAttributeOptionsData(Array)
#21 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/Block/Layer/View.php(217): Amasty_Shopby_Block_Catalog_Layer_View->getFilters()
#22 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/Block/Catalog/Layer/View.php(350): Mage_Catalog_Block_Layer_View->canShowOptions()
#23 /var/www/webroot/ROOT/app/design/frontend/mageguidexp/default/template/catalog/layer/view.phtml(34): Amasty_Shopby_Block_Catalog_Layer_View->canShowBlock()
#24 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(242): include('/var/www/webroo...')
#25 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(274): Mage_Core_Block_Template->fetchView('frontend/magegu...')
#26 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(288): Mage_Core_Block_Template->renderView()
#27 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#28 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#29 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Text_List->_toHtml()
#30 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml()
#31 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('left', true)
#32 /var/www/webroot/ROOT/app/design/frontend/mageguidexp/default/template/page/3columns.phtml(36): Mage_Core_Block_Abstract->getChildHtml('left')
#33 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(242): include('/var/www/webroo...')
#34 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(274): Mage_Core_Block_Template->fetchView('frontend/magegu...')
#35 /var/www/webroot/ROOT/app/code/local/Mage/Core/Block/Template.php(288): Mage_Core_Block_Template->renderView()
#36 /var/www/webroot/ROOT/app/code/core/Mage/Core/Block/Abstract.php(923): Mage_Core_Block_Template->_toHtml()
#37 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#38 /var/www/webroot/ROOT/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#39 /var/www/webroot/ROOT/app/code/core/Mage/Catalog/controllers/CategoryController.php(161): Mage_Core_Controller_Varien_Action->renderLayout()
#40 /var/www/webroot/ROOT/app/code/local/Amasty/Shopby/controllers/CategoryController.php(49): Mage_Catalog_CategoryController->viewAction()
#41 /var/www/webroot/ROOT/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Amasty_Shopby_CategoryController->viewAction()
#42 /var/www/webroot/ROOT/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#43 /var/www/webroot/ROOT/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#44 /var/www/webroot/ROOT/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#45 /var/www/webroot/ROOT/app/Mage.php(683): Mage_Core_Model_App->run(Array)
#46 /var/www/webroot/ROOT/index.php(96): Mage::run('', 'store')
#47 {main}

Fatal error: Uncaught Exception: Warning: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: ) in /var/www/webroot/ROOT/app/code/local/Mage/Core/Model/Resource/Session.php on line 97 in /var/www/webroot/ROOT/app/code/core/Mage/Core/functions.php:245 Stack trace: #0 [internal function]: mageCoreErrorHandler(2, 'session_write_c...', '/var/www/webroo...', 97, Array) #1 /var/www/webroot/ROOT/app/code/local/Mage/Core/Model/Resource/Session.php(97): session_write_close() #2 [internal function]: Mage_Core_Model_Resource_Session->__destruct() #3 {main} thrown in /var/www/webroot/ROOT/app/code/core/Mage/Core/functions.php on line 245