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I updated mysql and not it won't start. I tried removing it and reinstalling and it still will not start. I get the following error in the logs. When you start it it just tells you that mysql timed out. I get more information by looking at the error log:

Error message file '/usr/share/mysql/english/errmsg.sys' had only 480 error messages, but it should contain at least 481 error messages. Check that the above file is the right version for this program!

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You can verify the package using:

rpm -V mysql-server

debsums -c mysql-server

This will show if that file is not what the package manager expects. The package may be called MySQL-server or just MySQL as well, depending on the source of the package (community version uses caps, redhat/debian distribs use all-lowercase).

I would check here, to make sure the packages are indeed what the system expects.

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Personally, I'd be doing what the error message says, and verifying (from upstream sources) that errmsg.sys is for the correct version of MySQL. Sounds like you've got a dodgy package that doesn't have all the right files in it.

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You might try adding a bogus line to the end of errmsg.sys so that it thinks there are 481 messages. That might be enough to allow MySQL to start.

If this works, I would still grab the correct errmsg.sys file from the source tarball.

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It's possible that the my.cnf file is a bit messed up. In your currently loading my.cnf file, if there is a line saying something like:

language = /some/thing/english

Comment it out and try starting it again. It's possible your re-installed mysql into a different location, and the old error file is being referenced instead.

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