rails 起動エラー

###前提・実現したいこと
ruby on railsにおいてgem redis-railsをインストールした途端に起動しようとしてもエラーで返されるので何とか起動したいです。
###発生している問題・エラーメッセージ
[vagrant@localhost base_app]$ rails s
Array values in the parameter are deprecated. Please use a String or nil.
An Array was passed in from bin/rails:3:in load' => Booting WEBrick => Rails 4.1.6 application starting in development on http://0.0.0.0:3000 => Run rails server -hfor more startup options => Notice: server is listening on all interfaces (0.0.0.0). Consider using 127.0.0.1 (--binding option) => Ctrl-C to shutdown server Exiting /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/uri/common.rb:176:insplit': bad URI(is not URI?): (URI::InvalidURIError)
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/uri/common.rb:211:in parse' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/uri/common.rb:747:in parse'
from /vagrant/documents/base_app/config/initializers/redis.rb:3:in <top (required)>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in load'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in block in load' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in load_dependency'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in load' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb:648:in block in load_config_initializer'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/notifications.rb:161:in instrument' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb:647:in load_config_initializer'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb:612:in block (2 levels) in <class:Engine>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb:611:in each'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/engine.rb:611:in block in <class:Engine>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:30:in instance_exec'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:30:in run' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:55:in block in run_initializers'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:226:in block in tsort_each' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:348:in block (2 levels) in each_strongly_connected_component'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:418:in block (2 levels) in each_strongly_connected_component_from' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:427:in each_strongly_connected_component_from'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:417:in block in each_strongly_connected_component_from' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:44:in each'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:44:in tsort_each_child' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:411:in call'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:411:in each_strongly_connected_component_from' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:347:in block in each_strongly_connected_component'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:345:in each' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:345:in call'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:345:in each_strongly_connected_component' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:224:in tsort_each'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/2.1.0/tsort.rb:205:in tsort_each' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/initializable.rb:54:in run_initializers'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/application.rb:300:in initialize!' from /vagrant/documents/base_app/config/environment.rb:6:in <top (required)>'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in require' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in block in require'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in load_dependency' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in require'
from /vagrant/documents/base_app/config.ru:3:in block in <main>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in instance_eval'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in initialize' from /vagrant/documents/base_app/config.ru:in new'
from /vagrant/documents/base_app/config.ru:in <main>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in eval'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in new_from_string' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/builder.rb:40:in parse_file'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/server.rb:277:in build_app_and_options_from_config' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/server.rb:199:in app'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/server.rb:50:in app' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/server.rb:314:in wrapped_app'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/server.rb:130:in log_to_stdout' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/server.rb:67:in start'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:81:in block in server' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:76:in tap'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:76:in server' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:40:in run_command!'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands.rb:17:in <top (required)>' from /vagrant/documents/base_app/bin/rails:8:in require'
from /vagrant/documents/base_app/bin/rails:8:in <top (required)>' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/client/rails.rb:28:in load'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/client/rails.rb:28:in call' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/client/command.rb:7:in call'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/client.rb:28:in run' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/bin/spring:49:in <top (required)>'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/binstub.rb:11:in load' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/gems/2.1.0/gems/spring-1.6.4/lib/spring/binstub.rb:11:in <top (required)>'
from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in require' from /home/vagrant/.rbenv/versions/2.1.3/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in require'
from /vagrant/documents/base_app/bin/spring:13:in <top (required)>' from bin/rails:3:in load'
from bin/rails:3:in `<main>'