Walter Davis wrote in post #991242: > When you updated, did you install from source?
Thanks for answer, problem is solved updated mysql again from installer mysql-5.5.10-osx10.6-x86_64.dmg then mysql2 gem: $ sudo gem install mysql2 -- --with-mysql-config=/usr/local/mysql-5.5.10-osx10.6-x86_64/bin/mysql_config and this time it worked, problem was in 32-bit MySQL installation -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.