MySQL啟動報錯“Bind on TCP/IP port: Address already in use”
阿新 • • 發佈:2019-01-10
啟動報錯“Bind on TCP/IP port: Address already in use”
問題描述:
mysql啟動失敗,檢視err日誌
使用命令:
ps -aux | grep mysql
發現並沒有3306埠的mysql程序。
使用命令:netstat –apn
檢視所有的程序和埠使用情況。發現下面的程序列表,其中最後一欄是PID/Program name
就可以明確知道3306埠是被哪個程式佔用了!然後判斷是否使用KILL命令幹掉!
#啟動mysql
問題描述:
mysql啟動失敗,檢視err日誌
# tail -f /database/umc/data/umc.err
141106 10:37:14 [ERROR] Can't start server: Bind on TCP/IP port: Address already in use
141106 10:37:14 [ERROR] Do you already have another mysqld server running on port: 3306 ?
原因分析:
埠3306被佔用使用命令:
ps -aux | grep mysql
發現並沒有3306埠的mysql程序。
使用命令:netstat –apn
檢視所有的程序和埠使用情況。發現下面的程序列表,其中最後一欄是PID/Program name
# netstat -apn | grep 3306 tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:3306 ESTABLISHED 18148/java
發現3306埠被PID為18148的Java程序佔用。
進一步使用命令:ps -aux | grep java,或者直接:ps -aux | grep pid 檢視就可以明確知道3306埠是被哪個程式佔用了!然後判斷是否使用KILL命令幹掉!
#啟動mysql
觀察
# netstat -anp | grep 3306 tcp 0 0 :::3306 :::* LISTEN 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:4840 ESTABLISHED 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:4841 ESTABLISHED 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:4842 ESTABLISHED 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:4837 ESTABLISHED 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:3306 ::ffff:192.168.65.211:4838 ESTABLISHED 16511/mysqld tcp 0 0 ::ffff:192.168.65.211:4837 ::ffff:192.168.65.211:3306 ESTABLISHED 17632/java tcp 0 0 ::ffff:192.168.65.211:4838 ::ffff:192.168.65.211:3306 ESTABLISHED 17632/java tcp 0 0 ::ffff:192.168.65.211:4840 ::ffff:192.168.65.211:3306 ESTABLISHED 17632/java tcp 0 0 ::ffff:192.168.65.211:4841 ::ffff:192.168.65.211:3306 ESTABLISHED 17632/java tcp 0 0 ::ffff:192.168.65.211:4842 ::ffff:192.168.65.211:3306 ESTABLISHED 17632/java