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我正在尝试为我的 Rails 应用程序运行 Cucumber 并不断收到此错误：

> superclass mismatch for class Point (TypeError)

这个错误有一个巨大的堆栈跟踪，但它没有指向任何特定的东西，除了缺少的要求。这是跟踪：

rake 功能（在 /Users/rob/blue/blue_web 中）/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 警告：没有 DRb 服务器正在运行。在本地运行功能：类 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' 的超类不匹配/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 要求' /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 load_application_classes each' /Users/rob/.gem/ruby/1.8/gems/rails-2.3.4/lib/initializer.rb:411:in '/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: 在polyglot_original_require' /Users/rob/.gem/ruby/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in 需要'/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 中止！命令失败，状态为 (1)：[/System/Library/Frameworks/Ruby.framework/...]

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1 回答 1

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我找到了这个问题的答案，这是与 mySQL geoSpatial 插件和我的架构的类名冲突。

我有一个名为 Point 的班级，一切都很愉快。然后我添加了（非常酷的）geoSpatial 插件来使用 mySQL 的地理索引功能。该插件还定义了一个 Point 类。

冲突导致 Cucumber 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！

于 2009-09-26T22:11:38.303 回答