Rails on Mac OS X Snow Leopard: mysql2.bundle dlsym - Symbol Not Found (LoadError)

  • Platform: Mac OS X (macosx) 10.6.6
  • Ruby: 1.9.2
  • Rails: 3.0.3
  • Using RVM

This is the error I get:

$ rails s
/Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.2.7/lib/mysql2/mysql2.bundle: dlsym(0x13782a0, Init_mysql2): symbol not found - /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.2.7/lib/mysql2/mysql2.bundle (LoadError)
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.2.7/lib/mysql2.rb:8
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:68:in `require'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:68:in `require'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:66:in `each'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:66:in `require'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:55:in `each'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler/runtime.rb:55:in `require'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.13/lib/bundler.rb:120:in `require'
from /Users/nicolas/git/hits/config/application.rb:7
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.6/lib/rails/commands.rb:28:in `require'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.6/lib/rails/commands.rb:28
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.6/lib/rails/commands.rb:27:in `tap'
from /Users/nicolas/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.0.6/lib/rails/commands.rb:27
from script/rails:6:in `require'
from script/rails:6

This is a very persistent error. Here is some more information that may help in resolving it:

  • In the past, I upgraded from Leopard to Snow Leopard.
  • I tried to install the package.
  • I tried to erase ~ / .rvm and reinstall RVM
  • I tried: env ARCHFLAGS = "- arch x86_64" gem install mysql2 -v 0.2.7
  • I tried to install the latest version of mysql (mysql-5.5.12-osx10.6-x86_64.dmg) on ​​top of all mysql on my system before

Here is more information about my system:

$ echo $DYLD_LIBRARY_PATH
/usr/local/mysql/lib:

$ file ~/.rvm/rubies/default/bin/ruby 
/Users/nicolas/.rvm/rubies/default/bin/ruby: Mach-O 64-bit executable x86_64

$ file /usr/local/mysql/lib/libmysqlclient.18.dylib
/usr/local/mysql/lib/libmysqlclient.18.dylib: Mach-O 64-bit dynamically linked shared library x86_64

$ rvm list
rvm rubies
=> ruby-1.9.2-p180 [ x86_64 ]

$ which ruby
/opt/local/bin/ruby

$ file /opt/local/bin/ruby
/opt/local/bin/ruby: Mach-O executable i386
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1 answer

which ruby , RVM. RVM RVM:

rvm use --default 1.9.2

ruby ​​ RVM, :

rvm install 1.9.2

, , , , , ​​ , RVM.

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