/Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:2：警告：已经初始化的常量版本 /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:5：警告：已初始化常量MAJOR /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:5：警告：已初始化常量MINOR /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:5：警告：已初始化常量BUILD /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:5：警告：已初始化常量PATCH /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb:6：警告：已初始化常数NUMBERS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake.rb:27：警告：已初始化常量RAKEVERSION /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/early_time.rb:17：警告：早已初始化常数 /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/alt_system.rb:32：警告：已初始化常量WINDOWS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/application.rb:31：警告：已初始化常量DEFAULT_RAKEFILES 警告：可能与Rake扩展冲突：字符串#ext已存在 警告：可能与Rake扩展冲突：String #pathmap已存在 /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/task_arguments.rb:77：警告：已初始化常量EMPTY_TASK_ARGS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/invocation_chain.rb:49：警告：已初始化常量EMPTY /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:9：警告：已初始化常量RUBY /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_utils.rb:86：警告：已初始化常量LN_SUPPORTED /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:16：警告：已初始化常量DEFAULT /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/dsl_definition.rb:150：警告：已经初始化的常量DeprecatedCommands /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:44：警告：已初始化常量ARRAY_METHODS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:47：警告：已初始化常量MUST_DEFINE /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:51：警告：已初始化常量MUST_NOT_DEFINE /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:55：警告：已初始化常量SPECIAL_RETURN /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:61：警告：已初始化常量DELEGATING_METHODS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:364：警告：已初始化常量DEFAULT_IGNORE_PATTERNS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb:370：警告：已初始化常量DEFAULT_IGNORE_PROCS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake.rb:68：警告：已经初始化的常量FileList /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake.rb:69：警告：已初始化常量RakeFileUtils 耙子流产了！ 堆栈级别太深
答案 0 :(得分：2)
尝试使用：bundle exec rails db:drop