루비 오류를 분석하는 방법은 무엇입니까?

Question

C : \ Users \ Vlad \ Desktop> 레이크 경로 (C :/Users/Vlad/Desktop) 레이크 중단되었습니다! 초기화되지 않은 일정 레이크 :: DSL

C:/Ruby192/lib/ruby/1.9.1/rake.rb:2482:in `const_missing' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/tasklib.rb:8:in `<class:TaskLib>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/tasklib.rb:6:in `<module:Rake>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/tasklib.rb:3:in `<top (required)>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/testtask.rb:4:in `require' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/testtask.rb:4:in `<top (required)>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/test_unit/testing.rake:2:in `require' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/test_unit/testing.rake:2:in `<top (required)>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/test_unit/railtie.rb:12:in `load' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/test_unit/railtie.rb:12:in `block in <class:TestUnitRailtie>' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/railtie.rb:183:in `call' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/railtie.rb:183:in `block in load_tasks' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/railtie.rb:183:in `each' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/railtie.rb:183:in `load_tasks' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/engine.rb:396:in `block in load_tasks' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/application/railties.rb:8:in `each' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/application/railties.rb:8:in `all' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/engine.rb:396:in `load_tasks' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/application.rb:103:in `load_tasks' 
C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.3/lib/rails/railtie/configurable.rb:30:in `method_missing' 
C:/Users/Vlad/Desktop/kindle/Rakefile:7:in `<top (required)>' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2373:in `load' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2373:in `raw_load_rakefile' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2007:in `block in load_rakefile' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:2006:in `load_rakefile' 
C:/Ruby192/lib/ruby/1.9.1/rake.rb:1991:in `run' 
C:/Ruby192/bin/rake:31:in `<main>' 

당신은이 라인은 콘솔에 나타나는 이유의 논리 안내해 줄 수 있습니까? 나는 특별한 오류에 관심이 없다. 무언가가 망가져서 이런 로그를 볼 때, 그것은 무엇을 의미합니까?

첫 번째 오류는 프로그램이 고장난 이유에 대해 중요한 내용을 말하고 있습니까? 오류가 실제로 막연한 경우 오류 메시지에서 찾아야하는 일반적인 논리는 무엇입니까?

Answer 1

이 선은 --trace 플래그

으로 명령을 실행할 수 있습니다 또한 http://www.ruby-doc.org/core-1.9.3/Exception.html#method-i-backtrace

예외의 단지 역 추적하다