MySQL gem problem after upgrading to Snow Leopard?

Uninstalled/removed all instances of rvm, ruby and rails then did a clean install following this guide: cowboycoded.com/2010/12/04/setting-up-ra....

Uninstalled/removed all instances of rvm, ruby and rails then did a clean install following this guide: cowboycoded.com/2010/12/04/setting-up-ra... And everything worked. Hoorah! Also downgraded MySQL at one stage too so not sure if that had an affect on the final outcome or not.

Check this out: Snow Leopard – Rails; Java stink Snow Leopard; no suitable image found... LoadError .. nokogiri. Bundle: mach-o, but wrong architecture.

Thanks Leniel. I went through both of these but it didn't seem to fix anything. Still get the same error.

Seems to be a problem with MySQL or the MySQL gem. P.s. 'which ruby' shows I'm using /Users/lee/.

Rvm/rubies/ruby-1.8.7-head/bin/ruby – Lee Dec 29 '10 at 15:00.

I just went through something like this yesterday with some other gems after upgrading to Snow Leopard. I got very similar errors because it was trying to use old 32bit libraries when SL was looking for 64bit versions. First, make sure you've installed the 64-bit version of MySQL, because you'll be using that now.

Then, the thing that got me: gem uninstall mysql2 Turns out I had the gem installed twice and Rails was trying to load the wrong (32bit) version even though I had the correct one installed elsewhere. Also, when you install the mysql gem you may want to try export ARCHFLAGS="-arch i386 -arch x86_64" before you sudo gem install mysql2.

There are a couple things to do: If you didn't recompile the Ruby's under RVM's control, you'll want to do that. Prior to Snow Leopard they'd compile as i386 32bit apps. Afterwards, they'll need to be x86 64bit.So, using RVM do rvm uninstall on your Ruby 1.8.7, then rvm install again.

You can check whether you need to do that by running rvm list: rvm list rvm rubies ruby-1.8.7-p330 x86_64 => ruby-1.9.2-p136 x86_64 Ruby, either 1.8.7 or 1.9+, will be x86_64 when configured correctly for Snow Leopard. After that you can run gem pristine to rebuild all your gems.As part of that process it will rebuild the native drivers, which should recompile as x86_64 also. Also, it's a good idea to keep your RVM relatively current.

The latest rev, as of tonight, is v1.1.13, so if yours is older you might want to do rvm get head to catch it up. Useful commands to help diagnose things are: gem env and rvm info.

I recently had a similar issue where rails was throwing the "but wrong architecture no suitable image found" error when starting rails console or the rails server. Running file on the associatd . Dylib files, and the gem, generally returned either an applicable x86_64 version, or a universal which included it.

Eventually, I traced it back to the actual version of Ruby I was running. The /usr/bin/ruby executable itself was only i386 compatible. This was really a shocker, as I assumed the new xcode and osx 10.7 would have brought me a 64 bit ruby.

Using RVM, I installed another instance of ruby (again 1.8.7). Doing this required that I install a new instance of readline (for which I used homebrew, : brew install readline) and installed the rvm with rvm install 1.8.7 --with-readline-dir=/usr/local/Cellar/readline/6.2.1/. After doing this, and switching to use my new ruby instance (rvm use 1.8.7), all my gems were gone (the RVM install somehow changed my default gem_path.) gem install rake, followed by gem install bundler, and then bundle install got me up and running.

Long story short, make sure your ruby executable matches the instruction-set version that your ruby/rails packages are were built in. This blog post was quite helpful as well: markhneedham.com/blog/2010/07/08/install....

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