Ruby on Rails的問題

Question

我執行的功能：

耙分貝：架構：甩

，這就是什麼我：

C:\Users\Oded\sites\simple_cms>rake db:schema:dump 
(in C:/Users/Oded/sites/simple_cms) 
rake aborted! 
Mysql::Error: query: not connected: SHOW TABLES 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/connec 
ion_adapters/abstract_adapter.rb:202:in `rescue in log' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/connec 
ion_adapters/abstract_adapter.rb:194:in `log' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/connec 
ion_adapters/mysql_adapter.rb:289:in `execute' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/connec 
ion_adapters/mysql_adapter.rb:407:in `tables' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/schema 
dumper.rb:66:in `tables' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/schema 
dumper.rb:27:in `dump' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/schema 
dumper.rb:21:in `dump' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/railti 
s/databases.rake:327:in `block (4 levels) in <top (required)>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/railti 
s/databases.rake:326:in `open' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.0.3/lib/active_record/railti 
s/databases.rake:326:in `block (3 levels) in <top (required)>' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:634:in `call' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:634:in `block in execute' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:629:in `each' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:629:in `execute' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:595:in `block in invoke_with_call_chain' 
C:/Ruby192/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:588:in `invoke_with_call_chain' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:581:in `invoke' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2041:in `invoke_task' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:in `block (2 levels) in top_level' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:in `each' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2019:in `block in top_level' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2013:in `top_level' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:1992:in `run' 
C:/Ruby192/bin/rake:31:in `<main>'  

任何想法是什麼問題？

感謝，

俄德

Answer 1

檢查，以確保所有的MySQL數據庫的連接是否正確。

4號線有這個在它：「查詢：未連接：SHOW TABLES」

這使我想起您無法連接。