Problems starting MySQL on Mac OS X

Posted by Jon on Server Fault See other posts from Server Fault or by Jon
Published on 2010-06-16T18:59:48Z Indexed on 2010/06/16 19:02 UTC
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I am not able to start MySQL server on Mac OS X 10.4.11. MySQL was installed using Macports. MySQL was running fine until it suddenly died without any obvious reason.

When running "mysql", I get the error message:

ERROR 2002 (HY000): Can't connect to local MySQL server through 
socket '/opt/local/var/run/mysql5/mysqld.sock' (2)

If I try to start MySQL manually, I get the following error message:

sudo /opt/local/share/mysql5/mysql/mysql.server start
Starting MySQL/opt/local/share/mysql5/mysql/mysql.server: line
159: kill: (636) - No such process
ERROR!

In /etc/mysql/my.cnf I have:

socket = __PREFIX/var/run/mysqld/mysqld.sock

But the path "opt/local/var/run/mysqld/" does not exist on my system.

I tried to change the socket path to "__PREFIX/var/run/mysql5/ mysqld.sock" (which is where the socket is located). Unfortunately, this did not help either.

Owner and Permissions for /opt/local/var/run/mysql5/ are correctly set.

Any suggestions on how to start MySQL again? Thanks for your advice.

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