unable to run rails server after updating to rails 4 - ruby-on-rails

I just now my rails app to rails 4 from rails 3. I am not able to get it to work. I have done all the necessary configuration removal and addition whereever necessary. But now I am facing this. IS the question too blunt? IF so comment on what information is needed to make it more understandable. I am a totally new to rails, please help.
/home/aravind/Documents/dev/ptl/config/initializers/simple_form.rb:8:in `block in <top (required)>': undefined method `wrappers' for SimpleForm:Module (NoMethodError)
from /usr/local/lib/ruby/gems/2.0.0/gems/simple_form-1.4.1/lib/simple_form.rb:143:in `setup'
from /home/aravind/Documents/dev/ptl/config/initializers/simple_form.rb:2:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `block in load'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/engine.rb:608:in `each'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/engine.rb:608:in `block in <class:Engine>'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from /usr/local/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from /usr/local/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/local/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from /usr/local/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:44:in `each'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/local/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from'
from /usr/local/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from /usr/local/lib/ruby/2.0.0/tsort.rb:180:in `each'
from /usr/local/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component'
from /usr/local/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /home/aravind/Documents/dev/ptl/config/environment.rb:5:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /usr/local/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /home/aravind/Documents/dev/ptl/config.ru:3:in `block in <main>'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /home/aravind/Documents/dev/ptl/config.ru:in `new'
from /home/aravind/Documents/dev/ptl/config.ru:in `<main>'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:48:in `app'
from /usr/local/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:75:in `start'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:78:in `block in <top (required)>'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

it looks like you are running simple_form 1.4.1 try upgrading it to the latest version. which should work with rails 4. if you are specifying a version in your Gemfile remove the version tag, and run bundle update

Give this a go gem 'simple_form', :git => 'git://github.com/plataformatec/simple_form.git'. I think you need a more recent version of simple_form.

Related

Rails - undefined method `cattr_accessor' for Log4r:Module

I am trying to connect the Log4r with the silence logger from active support with
Log4r.send :include,
ActiveRecord::SessionStore::Extension::LoggerSilencer
But now I get this error if I try to start the server :
I tried it with
require 'active_support/all'
in my session_store.rb and log4r.rb, but always get the same error. Anyone with an idea how to fix this ?
C:/Ruby200/lib/ruby/gems/2.0.0/gems/activerecord-session_store-1.0.0/lib/active_record/session_store/extension/logger_silencer.rb:16:in `block in <module:LoggerSilencer>': undefined method `cattr_accessor' for Log4r:Module (NoMethodError)
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/concern.rb:114:in `class_eval'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/concern.rb:114:in `append_features'
from C:/SVN/FOS/branches/FOS_5_0/config/initializers/session_store.rb:4:in `include'
from C:/SVN/FOS/branches/FOS_5_0/config/initializers/session_store.rb:4:in `<top (required)>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `load'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `block in load'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:214:in `load_dependency'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:223:in `load'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:608:in `each'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/engine.rb:608:in `block in <class:Engine>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:30:in `instance_exec'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:30:in `run'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:55:in `block in run_initializers'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:44:in `each'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:44:in `tsort_each_child'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component'
from C:/Ruby200/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/initializable.rb:54:in `run_initializers'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/application.rb:215:in `initialize!'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
from C:/SVN/FOS/branches/FOS_5_0/config/environment.rb:7:in `<top (required)>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `require'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `block in require'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:214:in `load_dependency'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.13/lib/active_support/dependencies.rb:229:in `require'
from C:/SVN/FOS/branches/FOS_5_0/config.ru:3:in `block in <main>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `instance_eval'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:55:in `initialize'
from C:/SVN/FOS/branches/FOS_5_0/config.ru:in `new'
from C:/SVN/FOS/branches/FOS_5_0/config.ru:in `<main>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `eval'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:49:in `new_from_string'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/builder.rb:40:in `parse_file'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:199:in `app'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands/server.rb:48:in `app'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.5/lib/rack/server.rb:314:in `wrapped_app'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands/server.rb:75:in `start'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:76:in `block in <top (required)>'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:71:in `tap'
from C:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.13/lib/rails/commands.rb:71:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
cattr_accessor should be attr_accessor in the logger_silencer.rb file on line 16. Im pretty sure thats it, let use know if it's not.
Solution:
I update my Log4r because the old version I use was not compatible with the new rails. Now it works.

Not able to start rails server in 5.0.0.1 rails but works fine with 4.2.0.beta1

I am still learning ROR and I have spent a lot of time trying to figure it out.
I have tried to install all sorts of gems from different stackoverflow answers. Is there anyone that can help me with this? Thank You
How can I get to work with the latest version (5.0.0.1) it says:
=> Booting WEBrick
=> Rails 4.2.2 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/home/ubuntu/workspace/hellp_app/config/environments/development.rb:53:in `block in <top (required)>': uninitialized constant ActiveSupport::EventedFileUpdateChecker (NameError)
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/railtie.rb:210:in `instance_eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/railtie.rb:210:in `configure'
from /home/ubuntu/workspace/hellp_app/config/environments/development.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:598:in `block (2 levels) in <class:Engine>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:597:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/engine.rb:597:in `block in <class:Engine>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:30:in `run'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:44:in `each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /usr/local/rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/application.rb:352:in `initialize!'
from /home/ubuntu/workspace/hellp_app/config/environment.rb:5:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/config.ru:3:in `require_relative'
from /home/ubuntu/workspace/hellp_app/config.ru:3:in `block in <main>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/ubuntu/workspace/hellp_app/config.ru:in `new'
from /home/ubuntu/workspace/hellp_app/config.ru:in `<main>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:61:in `app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/server.rb:78:in `start'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:75:in `server'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.2/lib/rails/commands.rb:17:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/bin/rails:9:in `require'
from /home/ubuntu/workspace/hellp_app/bin/rails:9:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `call'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client/command.rb:7:in `call'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/client.rb:26:in `run'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/bin/spring:48:in `<top (required)>'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `load'
from /usr/local/rvm/gems/ruby-2.3.0/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `<top (required)>'
from /home/ubuntu/workspace/hellp_app/bin/spring:13:in `require'
from /home/ubuntu/workspace/hellp_app/bin/spring:13:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
In the gemfile you posted, the Rails version is incorrect:
gem 'rails', '4.2.2'
Since you are attempting to start version 5.0.0.1, you should update it accordingly in your gemfile, then run:
bundle install
to install dependendies for the newest version.

bad URI(is not URI?) When running rails s in ubuntu terminal

I've been trying to run rails s on one of my project. I'm a complete beginner on RoR and was just trying to get things started by first trying to run the files and see how the website looks like. However, it seems like I'm stuck at this one problem that I can't really find a solution to. Can anyone help me?
Here is the error:
/home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/uri/common.rb:176:in `split': bad URI(is not URI?): (URI::InvalidURIError)
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/uri/common.rb:211:in `parse'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/uri/common.rb:747:in `parse'
from /home/peh/Desktop/kairos-singapore-master/config/initializers/redis.rb:1:in `<top (required)>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `block in load'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/engine.rb:608:in `each'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/engine.rb:608:in `block in <class:Engine>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:44:in `each'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:44:in `tsort_each_child'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:180:in `each'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component'
from /home/peh/.rvm/rubies/ruby-2.0.0-p451/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /home/peh/Desktop/kairos-singapore-master/config/environment.rb:5:in `<top (required)>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /home/peh/Desktop/kairos-singapore-master/config.ru:3:in `block in <main>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /home/peh/Desktop/kairos-singapore-master/config.ru:in `new'
from /home/peh/Desktop/kairos-singapore-master/config.ru:in `<main>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/commands/server.rb:48:in `app'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/commands/server.rb:75:in `start'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/commands.rb:78:in `block in <top (required)>'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from /home/peh/.rvm/gems/ruby-2.0.0-p451/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
You have a bad URI on /home/peh/Desktop/kairos-singapore-master/config/initializers/redis.rb:1. Ruby can't parse it.

Rails server not starting - rails 4.0.0.rc1

I am following the tutorial on http://ruby.railstutorial.org/ and now I am not able to start the server. In my gemfile I am using ruby 2.0.0 and rails 4.0.0.rc1 - then I tried changing back to ruby 1.9.3 and rails 3.2.13 - still not working
this is what terminal tells me:
/config/environments/development.rb:1:in `<top (required)>': uninitialized constant FourTest (NameError)
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/engine.rb:591:in `block (2 levels) in <class:Engine>'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/engine.rb:590:in `each'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/engine.rb:590:in `block in <class:Engine>'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:30:in `run'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:44:in `each'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:180:in `each'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component'
from /Users/markustorok/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/application.rb:214:in `initialize!'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /Users/markustorok/Dropbox/2Working/WebDesign/Ruby/rails_projects/speiseplan/config/environment.rb:5:in `<top (required)>'
from /Users/markustorok/Dropbox/2Working/WebDesign/Ruby/rails_projects/speiseplan/config.ru:3:in `require'
from /Users/markustorok/Dropbox/2Working/WebDesign/Ruby/rails_projects/speiseplan/config.ru:3:in `block in <main>'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /Users/markustorok/Dropbox/2Working/WebDesign/Ruby/rails_projects/speiseplan/config.ru:in `new'
from /Users/markustorok/Dropbox/2Working/WebDesign/Ruby/rails_projects/speiseplan/config.ru:in `<main>'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/commands/server.rb:48:in `app'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/commands/server.rb:75:in `start'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/commands.rb:80:in `block in <top (required)>'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/commands.rb:75:in `tap'
from /Users/markustorok/.rvm/gems/ruby-2.0.0-p0/gems/railties-4.0.0.rc1/lib/rails/commands.rb:75:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
Do you have any initialisers or lines in config files that make a call to a FourTest class? Because that class can't be found. Start by searching your code for FourTest then check that you've followed naming conventions on the file that contains the class and that it's in a folder that gets loaded by default (models folder) or that you are manually loading it before using it (lib folder, etc).

Error installing devise for rails4

I'm trying to migrate an existing app to ruby 2.0 + rails 4.0 and so far everything is working except that when I try to install devise:
rails generate devise:install
I get the following error:
Exiting
/home/lemur/rails_projects/delicateca/config/initializers/devise.rb:76:in `block in <top (required)>': undefined method `skip_session_storage=' for Devise:Module (NoMethodError)
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/devise-1.5.4/lib/devise.rb:252:in `setup'
from /home/lemur/rails_projects/delicateca/config/initializers/devise.rb:3:in `<top (required)>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:222:in `load'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:222:in `block in load'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:213:in `load_dependency'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:222:in `load'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/engine.rb:608:in `block (2 levels) in <class:Engine>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/engine.rb:607:in `each'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/engine.rb:607:in `block in <class:Engine>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:30:in `instance_exec'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:30:in `run'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:44:in `each'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:186:in `each'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:186:in `each_strongly_connected_component'
from /home/lemur/.rvm/rubies/ruby-2.0.0-preview1/lib/ruby/2.0.0/tsort.rb:154:in `tsort_each'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:54:in `run_initializers'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/application.rb:213:in `initialize!'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /home/lemur/rails_projects/delicateca/config/environment.rb:5:in `<top (required)>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `block in require'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:213:in `load_dependency'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
from /home/lemur/rails_projects/delicateca/config.ru:3:in `block in <main>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /home/lemur/rails_projects/delicateca/config.ru:in `new'
from /home/lemur/rails_projects/delicateca/config.ru:in `<main>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/commands/server.rb:46:in `app'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/commands/server.rb:71:in `start'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/commands.rb:78:in `block in <top (required)>'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/commands.rb:73:in `tap'
from /home/lemur/.rvm/gems/ruby-2.0.0-preview1/gems/railties-4.0.0.beta1/lib/rails/commands.rb:73:in `<top (required)>'
from script/rails:6:in `require'
I get the same error when I try to run the app just doing bundle install and then rails s.
Any idea?
Thanks!
[UPDATE]
The rails4 branch has now been merged into master. So this should be all you need now:
gem 'devise', github: 'plataformatec/devise'
I've left my old answer below.
================================================
The easiest fix today is to use the following in your gemfile:
gem 'devise', github: 'plataformatec/devise', branch: 'rails4'
More details can be found on the comment of this pull request for Devise.
At the time of Lemurido's response, his was the best solution to your error.
This seems to be a dependency issue, as explained by Aaron Paterson:
http://tenderlovemaking.com/2012/12/18/rails-4-and-your-gemfile.html
The solution (in the comments) is updating your gemfile with:
gem 'devise', github: 'idl3/devise', branch: 'rails4'

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