In my Magento EE 14.0.1, when I try to reindex catalog_product_flat like this:
php indexer.php --reinex catalog_product_flat
After serveral minutes, it throws me this error:
Product Flat Data index process unknown error:
exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /var/www/magento/lib/Zend/Db/Statement/Pdo.php:228
Stack trace:
#0 /var/www/magento/lib/Zend/Db/Statement/Pdo.php(228): PDOStatement->execute(Array)
#1 /var/www/magento/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#2 /var/www/magento/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#3 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#4 /var/www/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `enterpr...', Array)
#5 /var/www/magento/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `enterpr...', Array)
#6 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(753): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#7 /var/www/magento/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(380): Zend_Db_Adapter_Abstract->fetchRow(Object(Varien_Db_Select))
#8 /var/www/magento/app/code/core/Mage/Core/Model/Abstract.php(225): Mage_Core_Model_Resource_Db_Abstract->load(Object(Enterprise_Mview_Model_Metadata), '10', NULL)
#9 /var/www/magento/app/code/core/Enterprise/Index/Model/Action/Abstract.php(167): Mage_Core_Model_Abstract->load('10')
#10 /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Action/Product/Flat/Refresh.php(136): Enterprise_Index_Model_Action_Abstract->_setChangelogValid()
#11 /var/www/magento/app/code/core/Enterprise/Mview/Model/Client.php(109): Enterprise_Catalog_Model_Index_Action_Product_Flat_Refresh->execute()
#12 /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Observer/Flat.php(78): Enterprise_Mview_Model_Client->execute('enterprise_cata...')
#13 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1338): Enterprise_Catalog_Model_Index_Observer_Flat->processShellProductReindexEvent(Object(Varien_Event_Observer))
#14 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(Object(Enterprise_Catalog_Model_Index_Observer_Flat), 'processShellPro...', Object(Varien_Event_Observer))
#15 /var/www/magento/app/Mage.php(451): Mage_Core_Model_App->dispatchEvent('catalog_product...', Array)
#16 /var/www/magento/shell/indexer.php(167): Mage::dispatchEvent('catalog_product...')
#17 /var/www/magento/shell/indexer.php(212): Mage_Shell_Compiler->run()
#18 {main}
Next exception 'Zend_Db_Statement_Exception' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /var/www/magento/lib/Zend/Db/Statement/Pdo.php:234
Stack trace:
#0 /var/www/magento/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/magento/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#2 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#3 /var/www/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `enterpr...', Array)
#4 /var/www/magento/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `enterpr...', Array)
#5 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(753): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#6 /var/www/magento/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(380): Zend_Db_Adapter_Abstract->fetchRow(Object(Varien_Db_Select))
#7 /var/www/magento/app/code/core/Mage/Core/Model/Abstract.php(225): Mage_Core_Model_Resource_Db_Abstract->load(Object(Enterprise_Mview_Model_Metadata), '10', NULL)
#8 /var/www/magento/app/code/core/Enterprise/Index/Model/Action/Abstract.php(167): Mage_Core_Model_Abstract->load('10')
#9 /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Action/Product/Flat/Refresh.php(136): Enterprise_Index_Model_Action_Abstract->_setChangelogValid()
#10 /var/www/magento/app/code/core/Enterprise/Mview/Model/Client.php(109): Enterprise_Catalog_Model_Index_Action_Product_Flat_Refresh->execute()
#11 /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Observer/Flat.php(78): Enterprise_Mview_Model_Client->execute('enterprise_cata...')
#12 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1338): Enterprise_Catalog_Model_Index_Observer_Flat->processShellProductReindexEvent(Object(Varien_Event_Observer))
#13 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(Object(Enterprise_Catalog_Model_Index_Observer_Flat), 'processShellPro...', Object(Varien_Event_Observer))
#14 /var/www/magento/app/Mage.php(451): Mage_Core_Model_App->dispatchEvent('catalog_product...', Array)
#15 /var/www/magento/shell/indexer.php(167): Mage::dispatchEvent('catalog_product...')
#16 /var/www/magento/shell/indexer.php(212): Mage_Shell_Compiler->run()
#17 {main}
Next exception 'Enterprise_Index_Model_Action_Exception' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Action/Product/Flat/Refresh.php:140
Stack trace:
#0 /var/www/magento/app/code/core/Enterprise/Mview/Model/Client.php(109): Enterprise_Catalog_Model_Index_Action_Product_Flat_Refresh->execute()
#1 /var/www/magento/app/code/core/Enterprise/Catalog/Model/Index/Observer/Flat.php(78): Enterprise_Mview_Model_Client->execute('enterprise_cata...')
#2 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1338): Enterprise_Catalog_Model_Index_Observer_Flat->processShellProductReindexEvent(Object(Varien_Event_Observer))
#3 /var/www/magento/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(Object(Enterprise_Catalog_Model_Index_Observer_Flat), 'processShellPro...', Object(Varien_Event_Observer))
#4 /var/www/magento/app/Mage.php(451): Mage_Core_Model_App->dispatchEvent('catalog_product...', Array)
#5 /var/www/magento/shell/indexer.php(167): Mage::dispatchEvent('catalog_product...')
#6 /var/www/magento/shell/indexer.php(212): Mage_Shell_Compiler->run()
#7 {main}
PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /var/www/magento/lib/Zend/Db/Statement/Pdo.php:228
Stack trace:
#0 /var/www/magento/lib/Zend/Db/Statement/Pdo.php(228): PDOStatement->execute(Array)
#1 /var/www/magento/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#2 /var/www/magento/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#3 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#4 /var/www/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT RELEASE_...', Array)
#5 /var/www/magento/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT RELEASE_...', Array)
#6 /var/www/magento/app/code/core/Enterprise/Index/Model/Resource/Helper/Mysql4.php(56): Varien_Db_Adapter_Pdo_Mysql->query('SELECT RELEASE_...', Array)
#7 /var/www/magento/app in /var/www/magento/lib/Zend/Db/Statement/Pdo.php on line 234
PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /var/www/magento/lib/Zend/Db/Statement/Pdo.php:228
Stack trace:
#0 /var/www/magento/lib/Zend/Db/Statement/Pdo.php(228): PDOStatement->execute(Array)
#1 /var/www/magento/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#2 /var/www/magento/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#3 /var/www/magento/lib/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#4 /var/www/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT RELEASE_...', Array)
#5 /var/www/magento/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT RELEASE_...', Array)
#6 /var/www/magento/app/code/core/Enterprise/Index/Model/Resource/Helper/Mysql4.php(56): Varien_Db_Adapter_Pdo_Mysql->query('SELECT RELEASE_...', Array)
#7 /var/www/magento/app in /var/www/magento/lib/Zend/Db/Statement/Pdo.php on line 234
No additional error in system.log, exception.log or php error log. In MySQL Error Log, I find this Warning, that is print some seconds before:
Aborted connection 23157178 to db: 'magento_magento' user: 'usert' host: 'xx.xx.xx.xx' (Got timeout reading communication packets)
I tried setting max_allowed_packet as 64 MB in MySQL Configuration, but i isn't result.
Any idea, please?
EDIT1:
I tried increasing the wait_timeout to 3600 and max_allowed_packet to 999999488 (Bytes) but the error persists.
As additional, if I run some other index as catalog_url_product, catalogsearch_fulltext or catalog_product_attribute, these executed successfully.
I do not know if it has to do, but the database has replication. I have one Master and one Slave, and the error "Got timeout reading communication packets" appears in the log of the Master.