Connection failed: SQLSTATE[HY000] [2002] No such file or directory

错误提示

系统:PHP 5.5.4 (Linux)
错误类型:WARNING
内容:session_start(): Cannot send session cookie - headers already sent by (output started at /home/www/html/axjfapp/skymvc/class/cls_pdo.php:62) 错误位置:/home/www/html/axjfapp/skymvc/class/cls_session.php 行:17
/home/www/html/axjfapp/skymvc/class/cls_session.php:17行,调用方法:session_start
/home/www/html/axjfapp/skymvc/skymvc.php:151行,调用方法:__construct
/home/www/html/axjfapp/skymvc/skymvc.php:175行,调用方法:initsession
/home/www/html/axjfapp/shoujiadmin.php:24行,调用方法:require
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