在铁路的黄瓜运行功能类型错误

Question

我试图运行黄瓜为我的Rails应用程序，并不断收到此错误：

> superclass mismatch for class Point (TypeError) 

有从这个错误中一个巨大的堆栈跟踪，但它并不指向任何除了缺少的要求外。这里的痕迹：

---

rake features (in /Users/rob/blue/blue_web) /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -I "/Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/lib:lib" "/Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/cucumber" --color --tags ~@wip --strict --format pretty --drb features/manage_logins.feature WARNING: No DRb server is running. Running features locally: superclass mismatch for class Point (TypeError) /Users/rob/blue/blue_web/app/models/point.rb:1 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in polyglot_original_require' /Users/rob/.gem/ruby/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in require' /Users/rob/.gem/ruby/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:158:in require' /Users/rob/.gem/ruby/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:265:in require_or_load' /Users/rob/.gem/ruby/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:224:in depend_on' /Users/rob/.gem/ruby/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:136:in require_dependency' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:414:in load_application_classes' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:413:in each' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:413:in load_application_classes' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:411:in each' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:411:in load_application_classes' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:197:in process' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:113:in send' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:113:in run' /Users/rob/blue/blue_web/config/environment.rb:16 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in polyglot_original_require' /Users/rob/.gem/ruby/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in require' ./features/support/env.rb:7 /Library/Ruby/Gems/1.8/gems/spork-0.7.2/lib/spork.rb:14:in prefork' ./features/support/env.rb:4 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in polyglot_original_require' /Users/rob/.gem/ruby/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in require' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/rb_support/rb_language.rb:107:in load_code_file' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/rb_support/rb_language.rb:48:in step_definitions_for' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/step_mother.rb:90:in load_code_file' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/step_mother.rb:82:in load_code_files' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/step_mother.rb:81:in each' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/step_mother.rb:81:in load_code_files' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/cli/main.rb:46:in execute!' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/../lib/cucumber/cli/main.rb:24:in execute' /Users/rob/.gem/ruby/1.8/gems/cucumber-0.3.102/bin/cucumber:9 rake aborted! Command failed with status (1): [/System/Library/Frameworks/Ruby.framework/...]

Answer 1

我找到了答案，这个问题，这是一个类名冲突与MySQL地理空间插件和我的架构。

我有一个名为Point的类，一切都很开心。然后我添加了（非常酷的）geoSpatial插件来使用mySQL的地理索引功能。这个插件还定义了一个Point类。

冲突导致黄瓜失败。

如果您在自己的应用程序中看到此错误，请查找重复项！