“堆栈级别太深”运行rake db：create：all
当我运行rake db:create:all ，我收到以下消息：
/Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/version.rb:4: warning: already initialized constant MAJOR /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/version.rb:5: warning: already initialized constant MINOR /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/version.rb:6: warning: already initialized constant BUILD /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/version.rb:3: warning: already initialized constant NUMBERS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/version.rb:9: warning: already initialized constant VERSION /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake.rb:26: warning: already initialized constant RAKEVERSION /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/early_time.rb:17: warning: already initialized constant EARLY /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/alt_system.rb:32: warning: already initialized constant WINDOWS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/application.rb:28: warning: already initialized constant DEFAULT_RAKEFILES WARNING: Possible conflict with Rake extension: String#ext already exists WARNING: Possible conflict with Rake extension: String#pathmap already exists /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/task_arguments.rb:73: warning: already initialized constant EMPTY_TASK_ARGS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/invocation_chain.rb:49: warning: already initialized constant EMPTY /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_utils.rb:10: warning: already initialized constant RUBY /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_utils.rb:84: warning: already initialized constant LN_SUPPORTED /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/dsl_definition.rb:143: warning: already initialized constant Commands /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:44: warning: already initialized constant ARRAY_METHODS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:47: warning: already initialized constant MUST_DEFINE /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:51: warning: already initialized constant MUST_NOT_DEFINE /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:55: warning: already initialized constant SPECIAL_RETURN /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:61: warning: already initialized constant DELEGATING_METHODS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:364: warning: already initialized constant DEFAULT_IGNORE_PATTERNS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake/file_list.rb:370: warning: already initialized constant DEFAULT_IGNORE_PROCS /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake.rb:64: warning: already initialized constant FileList /Users/junior/.rvm/gems/ruby-1.9.2-p290@global/gems/rake-0.9.2/lib/rake.rb:65: warning: already initialized constant RakeFileUtils rake aborted! stack level too deep
并且不会创建数据库。 有人能帮我吗？
我在互联网上发现了一个如何避免错误的提示。 请参阅“Rail 3.1 and Rake aborted”链接 。 没有理由，但是使用bundle exec rake而不是纯粹的rake调用已经完成了那个技巧。 似乎rake的调用是递归调用自己，而没有注意到文件已经加载。
所以试试看，告诉我们这是否适合你。
如果像我一样，你每次都懒得使用bundle ：
想看一个魔术？ 尝试运行gem uninstall rake 。 当被问及破坏的依赖关系时确认。 我知道，反直觉。
现在运行你的rake命令而不用bundle exec 。 魔法！
我不知道它是如何工作的，但我认为它与你的本地/全球gem有关; 你的rvm全球佣金应该是现在使用的。
不，这可能不是很好的做法，但就像我说的那样，这是为了懒惰。
我找到了另一种不必每次都运行bundle exec 。 对于我自己，与Sinatra（不是Rails）一起工作，在我的Gemfile中添加gem’rake gem 'rake'就像一个魅力。 🙂
命令gem uninstall rake告诉我，我安装了多个rake gem，在删除3个之后我不再需要使用bundle exec了！