Initialization Error

Array
(
    [callback] => Array
        (
            [0] => CRM_Core_Error
            [1] => simpleHandler
        )

    [code] => -24
    [message] => DB Error: connect failed
    [mode] => 16
    [debug_info] =>  [nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)]
    [type] => DB_Error
    [user_info] =>  [nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)]
    [to_string] => [db_error: message="DB Error: connect failed" code=-24 mode=callback callback=CRM_Core_Error::simpleHandler prefix="" info=" [nativecode=Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)]"]
)

backTrace

/var/www/wjp/source/sites/all/modules/civicrm/CRM/Core/Error.php, backtrace, 235
, simpleHandler, 
/var/www/wjp/source/sites/all/modules/civicrm/packages/PEAR.php, call_user_func, 931
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB.php, PEAR_Error, 968
/var/www/wjp/source/sites/all/modules/civicrm/packages/PEAR.php, DB_Error, 564
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB/common.php, raiseError, 1903
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB/mysql.php, raiseError, 252
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB.php, connect, 558
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB/DataObject.php, connect, 2295
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB/DataObject.php, _connect, 2533
/var/www/wjp/source/sites/all/modules/civicrm/packages/DB/DataObject.php, _build_condition, 411
/var/www/wjp/source/sites/all/modules/civicrm/CRM/Core/BAO/ConfigSetting.php, find, 203
/var/www/wjp/source/sites/all/modules/civicrm/CRM/Core/Config.php, retrieve, 408
/var/www/wjp/source/sites/all/modules/civicrm/CRM/Core/Config.php, _initVariables, 209
/var/www/wjp/source/sites/all/modules/civicrm/drupal/civicrm.module, singleton, 282
/var/www/wjp/source/sites/all/modules/civicrm/drupal/modules/views/civicrm.views.inc, civicrm_initialize, 82
, civicrm_views_data, 
/var/www/wjp/source/includes/module.inc, call_user_func_array, 497
/var/www/wjp/source/sites/all/modules/views/includes/cache.inc, module_invoke_all, 39
/var/www/wjp/source/sites/all/modules/views/views.module, _views_fetch_data, 708
/var/www/wjp/source/sites/all/modules/views/views.module, views_fetch_data, 684
/var/www/wjp/source/sites/all/modules/views/plugins/views_plugin_display.inc, views_get_handler, 578
/var/www/wjp/source/sites/all/modules/views/includes/view.inc, get_handlers, 422
/var/www/wjp/source/sites/all/modules/views/includes/view.inc, _init_handler, 365
/var/www/wjp/source/sites/all/modules/views/views.module, init_handlers, 270
, views_arg_load, 
/var/www/wjp/source/includes/menu.inc, call_user_func_array, 409
/var/www/wjp/source/includes/menu.inc, _menu_load_objects, 568
/var/www/wjp/source/includes/menu.inc, _menu_translate, 318
/var/www/wjp/source/includes/menu.inc, menu_get_item, 345
/var/www/wjp/source/index.php, menu_execute_active_handler, 17