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Unknown MySQL server host 'mysql.sql137.eznowdata.com' (2)

错误位置

FILE: /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Db.class.php  LINE: 162

TRACE

[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Db.class.php (162) DbMysql->connect()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (94) Db->initConnect()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `dt_page`)
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Model.class.php (135) DbMysql->getFields(dt_page)
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Model.class.php (123) Model->flush()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Model.class.php (1174) Model->_checkTableInfo()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Model.class.php (98) Model->db(0, )
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Common/common.php (294) Model->__construct(Page, , )
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/Home/Lib/Action/PageAction.class.php (6) M(Page)
[24-04-23 02:18:04] () PageAction->show()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/App.class.php (171) ReflectionMethod->invoke()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/App.class.php (207) App::exec()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Lib/Core/Think.class.php (39) App::run()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Common/runtime.php (242) Think::start()
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/ThinkPHP.php (30) require(/var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/Common/runtime.php)
[24-04-23 02:18:04] /var/www/virtual/qweabc1234/home/wwwroot/index.php (13) require(/var/www/virtual/qweabc1234/home/wwwroot/ThinkPHP/ThinkPHP.php)