SQLite3和Ruby-未初始化的常量SQLite3。。。美国石油学会
我在windows下的NetBeans 6.7.1中使用RubyonRails，并尝试使用SQLite3 我已经安装了sqlite3 ruby的windows版本，并将sqlite3.def、sqlite3.dll和sqlite3.exe放在NetBeans6.7.1>ruby2>jruby-1.2.0>bin中 当我尝试运行db:createrake任务时，我得到如下所示的错误和跟踪 有人能帮忙吗SQLite3和Ruby-未初始化的常量SQLite3。。。美国石油学会,ruby,netbeans,sqlite,Ruby,Netbeans,Sqlite,我在windows下的NetBeans 6.7.1中使用RubyonRails，并尝试使用SQLite3 我已经安装了sqlite3 ruby的windows版本，并将sqlite3.def、sqlite3.dll和sqlite3.exe放在NetBeans6.7.1>ruby2>jruby-1.2.0>bin中 当我尝试运行db:createrake任务时，我得到如下所示的错误和跟踪 有人能帮忙吗 uninitialized constant SQLite3::Driver::Native::
uninitialized constant SQLite3::Driver::Native::Driver::API
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:105:in `const_missing'
C:/RubyGemsFolder/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/driver/native/driver.rb:76:in `open'
C:/RubyGemsFolder/gems/sqlite3-ruby-1.2.5-x86-mswin32/lib/sqlite3/database.rb:76:in `initialize'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/sqlite3_adapter.rb:13:in `sqlite3_connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in `new_connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in `checkout_new_connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:in `checkout'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in `loop'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in `checkout'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:in `checkout'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in `connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:in `retrieve_connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in `retrieve_connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:in `connection'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rails-2.3.2/lib/tasks/databases.rake:43:in `create_database'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rails-2.3.2/lib/tasks/databases.rake:31
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `call'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `execute'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `each'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `execute'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:578:in `invoke_with_call_chain'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `invoke'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in `invoke_task'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `each'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `top_level'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in `run'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in `run'
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:31
C:/Program Files/NetBeans 6.7.1/ruby2/jruby-1.2.0/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:19:in `load'
C:\Program Files\NetBeans 6.7.1\ruby2\jruby-1.2.0\bin\rake:19
Couldn't create database for {"pool"=>5, "adapter"=>"sqlite3", "database"=>"db/development.sqlite3", "timeout"=>5000}
到目前为止，有不同的Ruby实现，其中之一就是JRuby NetBeans捆绑了JRuby，它基于Java虚拟机（JVM）并由其提供支持 SQLite3/Ruby绑定与JVM不兼容，这些绑定需要原始的原生Ruby实现，也称为MRI（Matz Ruby实现或C Ruby） 请安装一个单独的Ruby版本，然后将解释器添加到NetBeans菜单 您可以找到有关在Rails中使用更新的1.8.6或1.9.1的教程 我建议您从中安装安装程序的1.8.6版（候选版本1）
希望这有帮助。到目前为止，有不同的Ruby实现，其中之一就是JRuby NetBeans捆绑了JRuby，它基于Java虚拟机（JVM）并由其提供支持 SQLite3/Ruby绑定与JVM不兼容，这些绑定需要原始的原生Ruby实现，也称为MRI（Matz Ruby实现或C Ruby） 请安装一个单独的Ruby版本，然后将解释器添加到NetBeans菜单 您可以找到有关在Rails中使用更新的1.8.6或1.9.1的教程 我建议您从中安装安装程序的1.8.6版（候选版本1）
希望这会有所帮助。您还可以通过安装jdbc等价物（
jdbc-sqlite3activerecord-jdbcsqlite3-adapterjdbc-sqlite3activerecord-jdbcsqlite3-adapter