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mysqlruby-on-railsrakerubygemsdbmigrate

Problem with rake db:migrate

When I try rake db:migrate, I get the following error: !!! The bundled mysql.rb driver has been removed from Rails 2.2. Please install the mysql gem and try again: gem install mysql. rake aborted! no such file to load -- mysql

And when I try to "gem install mysql"

Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. /usr/bin/ruby extconf.rb Can't find header files for ruby. Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1 for inspection.

I checked the rubygems folder and mysql gem has been installed. Any ideas? Cheers

Solution

  • As Sleepycat suggested, most probably you need the dev libraries for MySQL.

    On Fedora / CentOS this should solve your problem:

    yum install mysql-devel
gem install mysql