Question

I was trying to install Redmine on Fedora 17, following this

Until this step:

RAILS_ENV=production rake db:migrate

It throws an error saying:

rake aborted!
Please install the mysql2 adapter: `gem install activerecord-mysql2-adapter` (cannot load such file -- mysql2/mysql2)
/var/www/redmine/lib/plugins/acts_as_activity_provider/init.rb:2:in `block in <top (required)>'
/var/www/redmine/config/initializers/00-core_plugins.rb:12:in `eval'
/var/www/redmine/config/initializers/00-core_plugins.rb:12:in `block in <top (required)>'
/var/www/redmine/config/initializers/00-core_plugins.rb:2:in `each'
/var/www/redmine/config/initializers/00-core_plugins.rb:2:in `<top (required)>'
/var/www/redmine/config/environment.rb:14:in `<top (required)>'
Tasks: TOP => db:migrate => environment

which is weird, because I have already installed mysql2 with bundle:

bundle show
...
* mysql2 (0.3.11)//***which is right in the bundle show list***
...

my database.yml is like:

production:
  adapter: mysql2
  database: redmine
  host: localhost
  username: redmine
  password: 123456
  encoding: utf8

others my be involved

    ruby 1.9.3p327 (2012-11-10 revision 37606) [i386-linux]
    Rails 3.2.8                                          
    gem 1.8.24
    mysql  Ver 14.14 Distrib 5.5.28, for Linux (i686) using readline 5.1
    Redmine 2.1.3

I have found some related questions by google, like:http://www.redmine.org/issues/11071#note-4
And I do as they said, adding symlink

ln -s /usr/local/share/gems/gems/mysql2-0.3.11/lib /usr/share/ruby/mysql2

Then exactly as posted in the page:

rake aborted!
uninitialized constant Mysql2::Client::REMEMBER_OPTIONS

I tried to do what is posted in #6 but it didn’t work for me.
Is this the right way to solve my problem, and what should I do with the second bug.

Answer 1

> add gem "minitest" into Gemfile
> gem list | cut -d" " -f1 | xargs gem uninstall -aIx
> yum erase rubygem-activesupport-3.0.11-5.fc17.noarch
> yum install rubygem-bundler
> bundle install
> then other steps, this works!!

for details, please refer to this
thanks!!