无法连接到数据库服务器 [2002]
错误信息: php_network_getaddresses: getaddrinfo failed: Name or service not known

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PHP Backtrace

File	Line	Function
source/class/class_core.php	575	db_mysql->halt()
source/class/class_core.php	567	db_mysql->_dbconnect()
source/class/class_core.php	303	db_mysql->connect()
source/class/class_core.php	66	discuz_core->_init_db()
form.php	18	discuz_core->init()