Show B.3.3.3 What to Do If MySQL Keeps CrashingEach MySQL version is tested on many platforms before it is released. This does not mean that there are no bugs in MySQL, but if there are bugs, they should be very few and can be hard to find. If you have a problem, it always helps if you try to find out exactly what crashes your system, because you have a much better chance of getting the problem fixed quickly. First, you should try to find out whether the problem is that the mysqld server dies or whether your problem has to do with your client. You can check how long your mysqld server has been up by executing mysqladmin version. If mysqld has died and restarted, you may find the reason by looking in the server's error log. See Section 5.4.2, “The Error Log”. On some systems, you can find in the error log a stack trace of where mysqld died. Note that the variable values written in the error log may not always be 100% correct. If you find
that mysqld fails at startup during Many unexpected server exits are caused by corrupted data
files or index files. MySQL updates the files on disk with the The preceding means that normally you should not get corrupted tables unless one of the following happens:
Because it is very difficult to know why something is crashing, first try to check whether things that work for others result in an unexpected exit for you. Try the following things:
Why does MySQL shut down unexpectedly?Cause of “Error: MySQL Shutdown Unexpectedly” in XAMPP
Apart from corrupted files, improper database shut down, missing files and port changes can also cause this error. When you run MySQL in a webserver, the corrupted files in the mysql/data folder cause MySQL to shut down.
How do I stop MySQL from shutting down unexpectedly?So do next steps:. Rename folder mysql/data to mysql/data_old.. Make a copy of mysql/backup folder and name it as mysql/data.. Copy all your database folders from mysql/data_old into mysql/data (except mysql , performance_schema , and phpmyadmin folders). Copy mysql/data_old/ibdata1 file into mysql/data folder.. Why is MySQL not working?normally means that there is no MySQL server running on the system or that you are using an incorrect Unix socket file name or TCP/IP port number when trying to connect to the server. You should also check that the TCP/IP port you are using has not been blocked by a firewall or port blocking service.
How do I fix MySQL errors?There are five methods you can try to fix the MySQL 1064 error when you encounter it, depending on its most likely cause:. Correct mistyped commands.. Replace obsolete commands.. Designate reserved words.. Add missing data.. Transfer WordPress databases in compatibility mode.. |