Rake db：drop升级后的ruby 1.9.3-p0和Rails 3.2后不工作

Question

/Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/ rake/version.rb：2：警告：已经初始化为常量版本 /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb ：5：警告：已经初始化为常量主要 /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：已经初始化常量PATCH /Users/aditidhus/.rvm /宝石/ ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/version.rb：6：警告：已经初始化常量NUMBERS /Users/aditidhus/.rvm/gems/ruby-1.9.3 -p0@global/gems/rake-0.9.2.2/lib/rake.rb：27：警告：已经初始化常量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：已经初始化为常量EARLY /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2 /lib/rake/alt_system.rb:32：警告：已经初始化常量WINDOWS /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/ application.rb：31：warning：已初始化常量DEFAULT_RAKEFILES 警告：可能与Rake扩展冲突：String＃ext已存在 警告：可能与Rake扩展冲突：String＃pathmap alrea dy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：已经初始化常量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：已经初始化为常量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：已经初始化常量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：已经初始化为常量DEFAULT /Users/aditidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/耙-0.9.2.2/LIB /耙/ dsl_def inition.rb：150：警告：已经初始化常量已过时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：已经初始化常量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：已经初始化常数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：已经初始化常量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：已经初始化常量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：已经初始化常量DELEGATING_METHODS /Users/ad itidhus/.rvm/gems/ruby-1.9.3-p0@global/gems/rake-0.9.2.2/lib/rake/file_list.rb：364：警告：已经初始化常量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：已经初始化常量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：已经初始化常量RakeFileUtils rake中止！使用 堆栈层次过深

Answer 1

尝试：bundle exec rails db:drop