Multiple MySQL running but PID file could not be found
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[root@tao Desktop]# service mysql status
ERROR! Multiple MySQL running but PID file could not be found (4458 4245)
提示如上所述。解决办法：
[root@tao Desktop]# kill 4458 [root@tao Desktop]# kill 4245
service mysql restart
出现：
ERROR! MySQL server PID file could not be found!
查看mysql运行状态发现正常，并登陆Mysql：
[root@tao Desktop]# service mysql status SUCCESS! MySQL running (4629) [root@tao Desktop]# mysql ERROR 1045 (28000): Access denied for user ‘root‘@‘localhost‘ (using password: NO) [root@tao Desktop]# mysql -u root ERROR 1045 (28000): Access denied for user ‘root‘@‘localhost‘ (using password: NO) [root@tao Desktop]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.7.3-m13 MySQL Community Server (GPL) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql> show databases; +--------------------------+ | Database | +--------------------------+ | information_schema | | cems | | hive | | mysql | | performance_schema | | test | | #mysql50#untitled folder | +--------------------------+ 7 rows in set (0.08 sec)
Multiple MySQL running but PID file could not be found
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本文系统来源：http://www.cnblogs.com/tyb1222/p/4643517.html
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