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I am using the libmysql C API, the mysql_real_connect call only works if I use the real IP address of the host – other than localhost. If I use localhost as host I get the
following error:
ERROR 2003 (HY000): Can’t connect to MySQL server on ‘localhost’ (0)
The authentication should be ok, since the used user has all privileges from localhost and any host also.
By the way it is an XAMPP installation on Windows 7.
I had the same problem and the solution is to uninstall and disable IPv6 support, because if I had IPv6 support enabled then
ping localhostcommand returns ::1: instead 127.0.0.1 as i have written in etc\hosts file, and sample mysql connect program written in C using libmysql do not connect when as host parameter to mysql_real_connect() i supplied “localhost”. Now, after disabling IPv6 works both options (“localhost” or “127.0.0.1”).P.S.: I have tried this “solution” only in Windows XP SP3 Pro Czech. In Windows 7 and Linux I don’t try this.