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mysql connection problems

mysql connection problems

2007-11-06       - By tech user

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Reply:     1     2  

Hello members,

I have two mysqld run on the same host (redhat linux OS with 2.4 kernel).
the two mysqld are in different versions, one is 4.0.20,another is 5.0.45.

the mysql 4.0.20 uses /etc/my.cnf as its config file,listening on default
3306 port.
the mysql 5.0.45 uses /etc/mysql5.cnf as its config file,listening on 3307
port.

I start them on command line:

/usr/local/mysql/bin/mysqld_safe &  # for mysql4
/opt/mysql5/bin/mysqld_safe --defaults-file=/etc/mysql5.cnf &  # for
mysql5

All run fine.I didn't see exceptions in mysql's error logs.

But, when I try to connect to mysql5, with the command,

mysql -uroot -P3307 -h127.0.0.1

Sometime I login it successfully,but most time I can't. The connection
seems be blocked.

(I don't run any iptables or firewall on this host).

This let me really be confused. please help. Thanks!

--Ken


     
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