Mysql manager of pid file quit without updating file

While Starting Mysql service getting the below error message.

Mysql manager of pid file quit without updating file

This problem occurs because mysql database crashed.

To repair mysql database use the below command.

cd /var/lib/mysql/
myisamchk -r *.MYI

Then run the below command

ps aux | grep -i mysql

If it is showing in output then kill that process using the below command.

kill -9 PID