Hi guys..
I finally broke down and began playing with rails.. I check out the videos
and I must say.. I was asstonished how much less code there was to write!
I am getting an error with trying to list comments to this test blog..
appreciate any insight :) Im sure its just me...
Table names:
Blog
1. id
2. title
3. date
4. description
Comments
1. id
2. blog_id
3. date
4. comment
5. comment
Here is code from show.rhtml:
<% for column in Blog.content_columns %>
<p>
<b><%= column.human_name %>:</b> <%=h @blog.send(column.name) %>
</p>
<% end %>
<%= link_to 'Edit', :action => 'edit', :id => @blog %> |
<%= link_to 'Back', :action => 'list' %>
<% for comment in @blog.comments %>
<%= comment.comment %>
<hr />
<% end %>
AND the error:
NameError in Blog#show
Showing *app/views/blog/show.rhtml* where line *#10* raised:
uninitialized constant Blog::Comment
Extracted source (around line *#10*):
7: <%= link_to 'Edit', :action => 'edit', :id => @blog %> |
8: <%= link_to 'Back', :action => 'list' %>
9:
10: <% for comment in @blog.comments %>
11: <%= comment.comment %>
12: <hr />
13: <% end %>
RAILS_ROOT: ./script/../config/..
Application Trace <http://localhost:3000/blog/show/1#> | Framework
Trace<http://localhost:3000/blog/show/1#>| Full
Trace <http://localhost:3000/blog/show/1#>
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:477:in
`const_missing'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:1360:in
`compute_type'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`klass'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:194:in
`construct_sql'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:6:in
`initialize'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`new'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`comments'
#{RAILS_ROOT}/app/views/blog/show.rhtml:10:in
`_run_rhtml_47app47views47blog47show46rhtml'
-e:4:in `load'
-e:4
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:477:in
`const_missing'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:1360:in
`compute_type'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`klass'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:194:in
`construct_sql'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:6:in
`initialize'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`new'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`comments'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:326:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:326:in
`compile_and_render_template'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:301:in
`render_template'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:260:in
`render_file'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:806:in
`render_file'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:711:in
`render_with_no_layout'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/layout.rb:247:in
`render_without_benchmark'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:50:in
`render'
c:/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:50:in
`render'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:1096:in
`perform_action_without_filters'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:632:in
`call_filter'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:634:in
`call_filter'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:619:in
`perform_action_without_benchmark'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:66:in
`perform_action_without_rescue'
c:/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:66:in
`perform_action_without_rescue'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/rescue.rb:83:in
`perform_action'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:430:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:430:in
`process_without_filters'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:624:in
`process_without_session_management_support'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/session_management.rb:114:in
`process'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:330:in
`process'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/dispatcher.rb:41:in `dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:113:in
`handle_dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:79:in `service'
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'
c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:63:in
`dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/servers/webrick.rb:59
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in
`require'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in
`new_constants_in'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in
`require'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:39
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:477:in
`const_missing'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:1360:in
`compute_type'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/reflection.rb:125:in
`klass'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:194:in
`construct_sql'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations/has_many_association.rb:6:in
`initialize'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`new'
c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/associations.rb:934:in
`comments'
#{RAILS_ROOT}/app/views/blog/show.rhtml:10:in
`_run_rhtml_47app47views47blog47show46rhtml'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:326:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:326:in
`compile_and_render_template'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:301:in
`render_template'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_view/base.rb:260:in
`render_file'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:806:in
`render_file'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:711:in
`render_with_no_layout'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/layout.rb:247:in
`render_without_benchmark'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:50:in
`render'
c:/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:50:in
`render'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:1096:in
`perform_action_without_filters'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:632:in
`call_filter'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:634:in
`call_filter'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:619:in
`perform_action_without_benchmark'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:66:in
`perform_action_without_rescue'
c:/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/benchmarking.rb:66:in
`perform_action_without_rescue'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/rescue.rb:83:in
`perform_action'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:430:in
`send'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:430:in
`process_without_filters'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/filters.rb:624:in
`process_without_session_management_support'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/session_management.rb:114:in
`process'
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/action_controller/base.rb:330:in
`process'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/dispatcher.rb:41:in `dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:113:in
`handle_dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:79:in `service'
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'
c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'
c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:63:in
`dispatch'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/servers/webrick.rb:59
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in
`require'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in
`new_constants_in'
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:495:in
`require'
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:39
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3
-e:4:in `load'
-e:4
Request
*Parameters*: {"id"=>"1"}
Show session dump <http://localhost:3000/blog/show/1#>
---
flash: !map:ActionController::Flash::FlashHash {}
Response *Headers*: {"cookie"=>[], "Cache-Control"=>"no-cache"}
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