MySQL client libraries

Dave Cragg dcragg at
Tue May 10 12:29:50 EDT 2005

On 10 May 2005, at 16:00, Chris Sheffield wrote:

> I have a big problem that I need to figure out ASAP one way or  
> another.
> I installed the latest version of MySQL on my Mac OS X Tiger  
> machine (MySQL version 4.1.11 I believe).  Now my application isn't  
> working.  Upon trying to connect to my database I'm getting an  
> error that says, "Client does not support authentication protocol  
> requested by server; consider upgrading MySQL client".  I remember  
> running into this at one point in the past, but I don't remember if  
> I got around it somehow or if it was just with the release of Rev  
> 2.5.1 that it was fixed.
> So my first question is, is it possible to update the MySQL client  
> libraries (dll's, OS X bundles, etc.) that come with Revolution?   
> Can they be downloaded somewhere?  If not, does anyone know of a  
> way to completely uninstall MySQL from OS X and reinstall an older  
> version?  I've tried following the downgrading instructions in the  
> MySQL manual, and all they say is to just install the older version  
> right over the top of the newer version, so long as it's the same  
> release (4.x in this case).  But when I try to do that, the  
> installer tells me I can't install because a newer version already  
> exists.  Any way to "trick" the OS X installer into letting me  
> install the older version?

I got round this by resetting the user passwords on the newer server  
using the OLD_PASSWORD function.

      SET PASSWORD FOR 'some_user'@'some_host' = OLD_PASSWORD('mypass');


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