Rails and MySQL on Snow Leopard

Steve — Tue, 02 Mar 2010 21:11:22 +0000

It was a struggle, but we got there in the end. The background to this was that I tried to upgrade my Rails install from 2.3.3 to 2.3.5 using the Rails wiki Getting Started guide, and then started running into problems. Ooh look, here it is:

Library/Ruby/Site/1.8/rubygems.rb:777:in `report_activate_error': RubyGem version error: rack(1.0.0 not ~> 1.0.1) (Gem::LoadError)

…which meant I had the wrong version of Rack installed. To be fair, that’s bleedin’ obvious from the error message. How often do you get an error message that clear? For Rails 2.3.5, Rack 1.01 is the right one, so uninstall Rack, all versions:

[e@lemons ~/ruby/project]$ sudo gem uninstall rack

Select gem to uninstall:
1. rack-1.1.0
2. rack-1.0.0
3. All versions
> 3
Remove executables:
rackup

in addition to the gem? [Yn] Y
Removing rackup
Successfully uninstalled rack-1.1.0

…and then installed Rack v1.01:

[e@lemons ~/ruby/project]$ sudo gem install rack -v 1.0.1
Successfully installed rack-1.0.1
1 gem installed
Installing ri documentation for rack-1.0.1...
Installing RDoc documentation for rack-1.0.1...

which all helped. But then I tried to to do rake db:create using MySQL and got no joy. So I ended up…

Installing XCode from the Snow Leopard DVD. Yes, even if you installed it under Leopard.
Download the latest 64-bit MySQL DMG from the MySQL download area – yes, that’s 64-bit
In Terminal… sudo gem update --system
And then… sudo env ARCHFLAGS="-arch x86_64" gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config

And with this I could create my MySQL database using rake, and start it up as usual. All done by 11.30pm on a school night, ow.

Trouble with MAMP – “You don’t have permission to access /MAMP/ on this server.”

Steve — Thu, 11 Feb 2010 21:40:49 +0000

Don’t tell me, you’ve just installed Wordpress on your local MAMP setup and it’s all gone wrong – you can no longer get to phpmyadmin and the MAMP setup page generally.

Check the root of your Mac hard disk – there should be a .htaccess file lurking there, with contents that include…

Options All -Indexes

# BEGIN WordPress

RewriteEngine On
... (and so on...)

Delete this file, or rename it if you’re not happy about doing that. Go to your MAMP start page and everything should be OK again. Time for a celebratory cup of tea.

Update 16th Feb: Ben Frain notes that you might not see the .htaccess in your root folder because it’s a hidden file – his blog post details the Terminal command you need to show all files.

Made of String » Mac OS X

Rails and MySQL on Snow Leopard

Trouble with MAMP – “You don’t have permission to access /MAMP/ on this server.”