gistfile1.txt

Started GET "/" for 127.0.0.1 at 2013-04-30 15:40:02 +0400
Processing by HomeController#show as HTML
  Rendered home/show.html.slim within layouts/application (68.0ms)
Completed 500 Internal Server Error in 159ms

NoMethodError - undefined method `image_path' for nil:NilClass
  (in /home/proton/projects/prj/app/assets/stylesheets/bootstrap_lib.css.sass):
  (gem) bootstrap-sass-2.3.1.1/lib/bootstrap-sass/compass_functions.rb:5:in `image_path'
  (gem) sass-3.2.8/lib/sass/script/funcall.rb:112:in `_perform'
  (gem) sass-3.2.8/lib/sass/script/node.rb:40:in `perform'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:327:in `visit_variable'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:100:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `block in visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:100:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `block in visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:100:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `block in visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:227:in `visit_import'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:100:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:53:in `block in visit_children'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:53:in `visit_children'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:109:in `block in visit_children'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:121:in `with_environment'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:108:in `visit_children'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `block in visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:128:in `visit_root'
  (gem) sass-3.2.8/lib/sass/tree/visitors/base.rb:37:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:100:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/visitors/perform.rb:7:in `visit'
  (gem) sass-3.2.8/lib/sass/tree/root_node.rb:20:in `render'
  (gem) sass-3.2.8/lib/sass/engine.rb:315:in `_render'
  (gem) sass-3.2.8/lib/sass/engine.rb:262:in `render'
  (gem) sass-rails-3.2.6/lib/sass/rails/template_handlers.rb:106:in `evaluate'
  (gem) tilt-1.3.7/lib/tilt/template.rb:77:in `render'
  (gem) sprockets-2.2.2/lib/sprockets/context.rb:193:in `block in evaluate'
  (gem) sprockets-2.2.2/lib/sprockets/context.rb:190:in `evaluate'
  (gem) sprockets-2.2.2/lib/sprockets/processed_asset.rb:12:in `initialize'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:249:in `block in build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:270:in `circular_call_protection'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:248:in `build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:93:in `block in build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/caching.rb:19:in `cache_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:92:in `build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:169:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:60:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/processed_asset.rb:44:in `block in init_with'
  (gem) sprockets-2.2.2/lib/sprockets/processed_asset.rb:37:in `init_with'
  (gem) sprockets-2.2.2/lib/sprockets/asset.rb:24:in `from_hash'
  (gem) sprockets-2.2.2/lib/sprockets/caching.rb:15:in `cache_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:92:in `build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:169:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:60:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/bundled_asset.rb:38:in `init_with'
  (gem) sprockets-2.2.2/lib/sprockets/asset.rb:24:in `from_hash'
  (gem) sprockets-2.2.2/lib/sprockets/caching.rb:15:in `cache_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:92:in `build_asset'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:169:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/index.rb:60:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/environment.rb:78:in `find_asset'
  (gem) sprockets-2.2.2/lib/sprockets/base.rb:177:in `[]'
  (gem) actionpack-3.2.13/lib/sprockets/helpers/rails_helper.rb:126:in `asset_for'
  (gem) actionpack-3.2.13/lib/sprockets/helpers/rails_helper.rb:44:in `block in stylesheet_link_tag'
  (gem) actionpack-3.2.13/lib/sprockets/helpers/rails_helper.rb:43:in `stylesheet_link_tag'
  app/views/layouts/application.html.slim:6:in `_app_views_layouts_application_html_slim__1248992696202825398_37572640'
  (gem) actionpack-3.2.13/lib/action_view/template.rb:145:in `block in render'
  (gem) activesupport-3.2.13/lib/active_support/notifications.rb:123:in `block in instrument'
  (gem) activesupport-3.2.13/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  (gem) activesupport-3.2.13/lib/active_support/notifications.rb:123:in `instrument'
  (gem) actionpack-3.2.13/lib/action_view/template.rb:143:in `render'
  (gem) actionpack-3.2.13/lib/action_view/renderer/template_renderer.rb:59:in `render_with_layout'
  (gem) actionpack-3.2.13/lib/action_view/renderer/template_renderer.rb:45:in `render_template'
  (gem) actionpack-3.2.13/lib/action_view/renderer/template_renderer.rb:18:in `render'
  (gem) actionpack-3.2.13/lib/action_view/renderer/renderer.rb:36:in `render_template'
  (gem) actionpack-3.2.13/lib/action_view/renderer/renderer.rb:17:in `render'
  (gem) actionpack-3.2.13/lib/abstract_controller/rendering.rb:110:in `_render_template'
  (gem) actionpack-3.2.13/lib/action_controller/metal/streaming.rb:225:in `_render_template'
  (gem) actionpack-3.2.13/lib/abstract_controller/rendering.rb:103:in `render_to_body'
  (gem) actionpack-3.2.13/lib/action_controller/metal/renderers.rb:28:in `render_to_body'
  (gem) actionpack-3.2.13/lib/action_controller/metal/compatibility.rb:50:in `render_to_body'
  (gem) actionpack-3.2.13/lib/abstract_controller/rendering.rb:88:in `render'
  (gem) actionpack-3.2.13/lib/action_controller/metal/rendering.rb:16:in `render'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render'
  (gem) activesupport-3.2.13/lib/active_support/core_ext/benchmark.rb:5:in `block in ms'
  /home/proton/.rvm/rubies/ruby-1.9.3-p327-perf/lib/ruby/1.9.1/benchmark.rb:295:in `realtime'
  (gem) activesupport-3.2.13/lib/active_support/core_ext/benchmark.rb:5:in `ms'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:40:in `block in render'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:83:in `cleanup_view_runtime'
  (gem) activerecord-3.2.13/lib/active_record/railties/controller_runtime.rb:24:in `cleanup_view_runtime'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:39:in `render'
  (gem) rails3_before_render-0.2.0/lib/rails3_before_render/before_render_instance.rb:12:in `block in render_with_before_render_filter'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:403:in `_run__2551032105082366651__render__4531355627726701297__callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `__run_callback'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:385:in `_run_render_callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:81:in `run_callbacks'
  (gem) rails3_before_render-0.2.0/lib/rails3_before_render/before_render_instance.rb:11:in `render_with_before_render_filter'
  (gem) actionpack-3.2.13/lib/action_controller/metal/implicit_render.rb:10:in `default_render'
  (gem) actionpack-3.2.13/lib/action_controller/metal/implicit_render.rb:5:in `send_action'
  (gem) actionpack-3.2.13/lib/abstract_controller/base.rb:167:in `process_action'
  (gem) actionpack-3.2.13/lib/action_controller/metal/rendering.rb:10:in `process_action'
  (gem) actionpack-3.2.13/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:480:in `_run__2551032105082366651__process_action__4531355627726701297__callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `__run_callback'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:81:in `run_callbacks'
  (gem) actionpack-3.2.13/lib/abstract_controller/callbacks.rb:17:in `process_action'
  (gem) actionpack-3.2.13/lib/action_controller/metal/rescue.rb:29:in `process_action'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
  (gem) activesupport-3.2.13/lib/active_support/notifications.rb:123:in `block in instrument'
  (gem) activesupport-3.2.13/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  (gem) activesupport-3.2.13/lib/active_support/notifications.rb:123:in `instrument'
  (gem) actionpack-3.2.13/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
  (gem) actionpack-3.2.13/lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
  (gem) activerecord-3.2.13/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
  (gem) actionpack-3.2.13/lib/abstract_controller/base.rb:121:in `process'
  (gem) actionpack-3.2.13/lib/abstract_controller/rendering.rb:45:in `process'
  (gem) actionpack-3.2.13/lib/action_controller/metal.rb:203:in `dispatch'
  (gem) actionpack-3.2.13/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
  (gem) actionpack-3.2.13/lib/action_controller/metal.rb:246:in `block in action'
  (gem) actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
  (gem) actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:36:in `call'
  (gem) journey-1.0.4/lib/journey/router.rb:68:in `block in call'
  (gem) journey-1.0.4/lib/journey/router.rb:56:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/routing/route_set.rb:612:in `call'
  (gem) meta_request-0.2.3/lib/meta_request/middlewares/app_request_handler.rb:11:in `call'
  (gem) rack-contrib-1.1.0/lib/rack/contrib/response_headers.rb:17:in `call'
  (gem) meta_request-0.2.3/lib/meta_request/middlewares/headers.rb:16:in `call'
  (gem) meta_request-0.2.3/lib/meta_request/middlewares/meta_request_handler.rb:13:in `call'
  (gem) warden-1.2.1/lib/warden/manager.rb:35:in `block in call'
  (gem) warden-1.2.1/lib/warden/manager.rb:34:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
  (gem) rack-1.4.5/lib/rack/etag.rb:23:in `call'
  (gem) rack-1.4.5/lib/rack/conditionalget.rb:25:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/head.rb:14:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/flash.rb:242:in `call'
  (gem) rack-1.4.5/lib/rack/session/abstract/id.rb:210:in `context'
  (gem) rack-1.4.5/lib/rack/session/abstract/id.rb:205:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/cookies.rb:341:in `call'
  (gem) activerecord-3.2.13/lib/active_record/query_cache.rb:64:in `call'
  (gem) activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `_run__4048791372655829303__call__4154449643019453800__callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:405:in `__run_callback'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
  (gem) activesupport-3.2.13/lib/active_support/callbacks.rb:81:in `run_callbacks'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/reloader.rb:65:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
  (gem) better_errors-0.8.0/lib/better_errors/middleware.rb:84:in `protected_app_call'
  (gem) better_errors-0.8.0/lib/better_errors/middleware.rb:79:in `better_errors_call'
  (gem) better_errors-0.8.0/lib/better_errors/middleware.rb:56:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  (gem) railties-3.2.13/lib/rails/rack/logger.rb:32:in `call_app'
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  (gem) activesupport-3.2.13/lib/active_support/tagged_logging.rb:22:in `tagged'
  (gem) railties-3.2.13/lib/rails/rack/logger.rb:16:in `call'
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  (gem) rack-1.4.5/lib/rack/runtime.rb:17:in `call'
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  (gem) actionpack-3.2.13/lib/action_dispatch/middleware/static.rb:63:in `call'
  (gem) railties-3.2.13/lib/rails/engine.rb:479:in `call'
  (gem) railties-3.2.13/lib/rails/application.rb:223:in `call'
  (gem) railties-3.2.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
  (gem) thin-1.5.1/lib/thin/connection.rb:81:in `block in pre_process'
  (gem) thin-1.5.1/lib/thin/connection.rb:79:in `pre_process'
  (gem) thin-1.5.1/lib/thin/connection.rb:54:in `process'
  (gem) thin-1.5.1/lib/thin/connection.rb:39:in `receive_data'
  (gem) eventmachine-1.0.3/lib/eventmachine.rb:187:in `run'
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  (gem) thin-1.5.1/lib/thin/server.rb:159:in `start'
  (gem) thin-1.5.1/lib/thin/controllers/controller.rb:86:in `start'
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  (gem) thin-1.5.1/lib/thin/runner.rb:152:in `run!'
  (gem) thin-1.5.1/bin/thin:6:in `<top (required)>'
  /home/proton/.rvm/gems/ruby-1.9.3-p327-perf@prj/bin/thin:19:in `<main>'
  /home/proton/.rvm/gems/ruby-1.9.3-p327-perf@prj/bin/ruby_noexec_wrapper:14:in `<main>'
  /home/proton/.rvm/gems/ruby-1.9.3-p327-perf@prj/bin/ruby_noexec_wrapper:0:in `<main>'