Rails admin exception

gistfile1.txt

NameError in Rails_admin/main#new

Showing /Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/views/rails_admin/main/new.html.haml where line #1 raised:

uninitialized constant NestedForm::BuilderMixin

Extracted source (around line #1):

1: = rails_admin_form_for @object, :url => create_path(:model_name => @abstract_model.to_param, :id => @object.id), :html => { :multipart => true, :data => { :title => @page_name } } do |form|
2:   = form.generate :action => :create

Rails.root: /Users//Code/Rails/
Application Trace | Framework Trace | Full Trace

/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/helpers/rails_admin/form_builder.rb:5:in `<class:FormBuilder>'
/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/helpers/rails_admin/form_builder.rb:4:in `<module:RailsAdmin>'
/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/helpers/rails_admin/form_builder.rb:3:in `<top (required)>'
/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/helpers/rails_admin/main_helper.rb:6:in `rails_admin_form_for'
/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/views/rails_admin/main/new.html.haml:1:in `___sers___rvm_gems_ruby_______p_____bundler_gems_rails_admin_________c_f__app_views_rails_admin_main_new_html_haml___1373233662382901664_2209706300'
actionpack (3.1.3) lib/action_view/template.rb:171:in `block in render'
activesupport (3.1.3) lib/active_support/notifications.rb:55:in `instrument'
actionpack (3.1.3) lib/action_view/template.rb:169:in `render'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:40:in `block (2 levels) in render_template'
actionpack (3.1.3) lib/action_view/renderer/abstract_renderer.rb:33:in `block in instrument'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `block in instrument'
activesupport (3.1.3) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `instrument'
actionpack (3.1.3) lib/action_view/renderer/abstract_renderer.rb:33:in `instrument'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:39:in `block in render_template'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:47:in `render_with_layout'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:38:in `render_template'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:12:in `block in render'
actionpack (3.1.3) lib/action_view/renderer/abstract_renderer.rb:22:in `wrap_formats'
actionpack (3.1.3) lib/action_view/renderer/template_renderer.rb:9:in `render'
actionpack (3.1.3) lib/action_view/renderer/renderer.rb:36:in `render_template'
actionpack (3.1.3) lib/action_view/renderer/renderer.rb:17:in `render'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:120:in `_render_template'
actionpack (3.1.3) lib/action_controller/metal/streaming.rb:250:in `_render_template'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:114:in `render_to_body'
actionpack (3.1.3) lib/action_controller/metal/renderers.rb:30:in `render_to_body'
actionpack (3.1.3) lib/action_controller/metal/compatibility.rb:43:in `render_to_body'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:99:in `render'
actionpack (3.1.3) lib/action_controller/metal/rendering.rb:16:in `render'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render'
activesupport (3.1.3) lib/active_support/core_ext/benchmark.rb:5:in `block in ms'
/Users//.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/benchmark.rb:310:in `realtime'
activesupport (3.1.3) lib/active_support/core_ext/benchmark.rb:5:in `ms'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:40:in `block in render'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:78:in `cleanup_view_runtime'
activerecord (3.1.3) lib/active_record/railties/controller_runtime.rb:24:in `cleanup_view_runtime'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:39:in `render'
remotipart (1.0.1) lib/remotipart/render_overrides.rb:7:in `render'
actionpack (3.1.3) lib/action_controller/metal/implicit_render.rb:10:in `default_render'
actionpack (3.1.3) lib/action_controller/metal/mime_responds.rb:268:in `block in retrieve_response_from_mimes'
actionpack (3.1.3) lib/action_controller/metal/mime_responds.rb:195:in `call'
actionpack (3.1.3) lib/action_controller/metal/mime_responds.rb:195:in `respond_to'
/Users//.rvm/gems/ruby-1.9.2-p290@/bundler/gems/rails_admin-63876182c6f5/app/controllers/rails_admin/main_controller.rb:89:in `new'
actionpack (3.1.3) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:167:in `process_action'
actionpack (3.1.3) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.1.3) lib/active_support/callbacks.rb:443:in `_run__2970333474799390557__process_action__2622841535589871027__callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:386:in `_run_process_action_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.1.3) lib/action_controller/metal/rescue.rb:17:in `process_action'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `block in instrument'
activesupport (3.1.3) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `instrument'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.1.3) lib/action_controller/metal/params_wrapper.rb:201:in `process_action'
activerecord (3.1.3) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.1.3) lib/action_controller/metal.rb:193:in `dispatch'
actionpack (3.1.3) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.1.3) lib/action_controller/metal.rb:236:in `block in action'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in `dispatch'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:29:in `call'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:in `block in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in `block in recognize'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:75:in `optimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in `recognize'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:532:in `call'
railties (3.1.3) lib/rails/engine.rb:456:in `call'
railties (3.1.3) lib/rails/railtie/configurable.rb:30:in `method_missing'
rack-mount (0.8.3) lib/rack/mount/prefix.rb:26:in `call'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:in `block in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in `block in recognize'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:75:in `optimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in `recognize'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:532:in `call'
rack-pjax (0.5.5) lib/rack/pjax.rb:12:in `call'
pdfkit (0.5.2) lib/pdfkit/middleware.rb:16:in `call'
client_side_validations (3.1.3) lib/client_side_validations/middleware.rb:18:in `call'
warden (1.1.0) lib/warden/manager.rb:35:in `block in call'
warden (1.1.0) lib/warden/manager.rb:34:in `catch'
warden (1.1.0) lib/warden/manager.rb:34:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.3.5) lib/rack/etag.rb:23:in `call'
rack (1.3.5) lib/rack/conditionalget.rb:25:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/head.rb:14:in `call'
remotipart (1.0.1) lib/remotipart/middleware.rb:30:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/flash.rb:247:in `call'
rack (1.3.5) lib/rack/session/abstract/id.rb:195:in `context'
rack (1.3.5) lib/rack/session/abstract/id.rb:190:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/cookies.rb:331:in `call'
activerecord (3.1.3) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.1.3) lib/active_record/connection_adapters/abstract/connection_pool.rb:477:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (3.1.3) lib/active_support/callbacks.rb:392:in `_run_call_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:28:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/reloader.rb:68:in `call'
rack (1.3.5) lib/rack/sendfile.rb:101:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.1.3) lib/rails/rack/logger.rb:13:in `call'
rack (1.3.5) lib/rack/methodoverride.rb:24:in `call'
rack (1.3.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.1.3) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.3.5) lib/rack/lock.rb:15:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/static.rb:53:in `call'
railties (3.1.3) lib/rails/engine.rb:456:in `call'
rack (1.3.5) lib/rack/content_length.rb:14:in `call'
railties (3.1.3) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.3.5) lib/rack/handler/webrick.rb:59:in `service'
/Users//.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/Users//.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/Users//.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'

Request

Parameters:

{"model_name"=>"blocks"}

Show session dump

_csrf_token: "W1WFfCsL2sl4LQLToRPg5n/c2JbACrnu57FM6uipb64="
session_id: "95b81e10b2f572fe466b683ca45e11e5"
warden.user.user.key: ["User", [1], "$2a$10$0C2jF1yUlhU9sBLeHatXSe"]

Show env dump

GATEWAY_INTERFACE: "CGI/1.1"
HTTP_ACCEPT: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
HTTP_ACCEPT_CHARSET: "ISO-8859-1,utf-8;q=0.7,*;q=0.7"
HTTP_ACCEPT_ENCODING: "gzip, deflate"
HTTP_ACCEPT_LANGUAGE: "en-us,en;q=0.5"
REMOTE_ADDR: "127.0.0.1"
REMOTE_HOST: "localhost"
SERVER_NAME: "localhost"
SERVER_PROTOCOL: "HTTP/1.1"

Response

Headers:

None