redmine error with RMagic -

hello install redmine when try migrate database there error :

[deprecation] requiring "rmagick" deprecated. use "rmagick" instead 

there stacktrce :

 root@server:/opt/redmine/redmine-3.0# bundle exec rake db:migrate [deprecation] requiring "rmagick" deprecated. use "rmagick" instead rake aborted! activerecord::adapternotspecified: 'development' database not configured. available: ["production"] /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:248:in `resolve_symbol_connection' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:211:in `resolve_connection' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:139:in `resolve' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:169:in `spec' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/connection_handling.rb:50:in `establish_connection' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/railtie.rb:120:in `block (2 levels) in <class:railtie>' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `each' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/base.rb:316:in `<module:activerecord>' /var/lib/gems/2.1.0/gems/activerecord-4.2.1/lib/active_record/base.rb:26:in `<top (required)>' /opt/redmine/redmine-3.0/lib/plugins/acts_as_activity_provider/init.rb:2:in `block in <top (required)>' /opt/redmine/redmine-3.0/config/initializers/00-core_plugins.rb:12:in `eval' /opt/redmine/redmine-3.0/config/initializers/00-core_plugins.rb:12:in `block in <top (required)>' /opt/redmine/redmine-3.0/config/initializers/00-core_plugins.rb:2:in `each' /opt/redmine/redmine-3.0/config/initializers/00-core_plugins.rb:2:in `<top (required)>' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `block in load' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/engine.rb:652:in `block in load_config_initializer' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/notifications.rb:166:in `instrument' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/engine.rb:651:in `load_config_initializer' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/engine.rb:616:in `block (2 levels) in <class:engine>' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/engine.rb:615:in `each' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/engine.rb:615:in `block in <class:engine>' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `instance_exec' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `run' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:55:in `block in run_initializers' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:44:in `each' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:44:in `tsort_each_child' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/initializable.rb:54:in `run_initializers' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/application.rb:352:in `initialize!' /opt/redmine/redmine-3.0/config/environment.rb:14:in `<top (required)>' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency' /var/lib/gems/2.1.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/application.rb:328:in `require_environment!' /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/application.rb:457:in `block in run_tasks_blocks' tasks: top => db:migrate => environment (see full trace running task --trace) 

while performing bundler actions above, have specify environment, unless it's added system or shell's environment vars, ~/.bashrc on linux or environment variables under windows, in command, should add rails_env=production, , command this:

bundle exec rake db:migrate rails_env=production