저장중인 RoR 개체 그래프가 있습니다. 사용자는 섹션 목록을 가지고 있습니다. 요청이 들어 오면 현재 사용자 섹션을 모두 삭제하고 새 섹션을 다시 채 웁니다. 실제로 무슨 일이 일어나고 있는지에RoR 충돌시 저장 "사용자가 개체가없고 사용자가 예상하지 못했습니다."
NoMethodError (You have a nil object when you didn't expect it!
You might have expected an instance of ActiveRecord::Base.
The error occurred while evaluating nil.new_record?):
app/controllers/schedule_controller.rb:32:in `set_current'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:162:in `start'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:95:in `start'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:92:in `each'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:92:in `start'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:23:in `start'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/1.8/webrick/server.rb:82:in `start'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.6/bin/rdebug-ide:82
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/ruby-debug-ide-0.4.6/bin/rdebug-ide:19:in `load'
/Applications/NetBeans/NetBeans 6.9.1.app/Contents/Resources/NetBeans/ruby/jruby-1.5.1/bin/rdebug-ide:19
생각 : 내가 저장할 때
def set_current
@courses = params[:courses]
user = current_user
user.points = params[:points].nil? ? user.points : params[:points].to_i
UserSection.delete(user.user_sections)
@courses.each do |c|
new_section = UserSection.new()
new_section.user = user
new_section.save
end
user.save
head :ok
end
, 나는이 얻을? 저장이 성공적으로 수행됩니다 - db와 모든 것을 만듭니다.
편집 : 예외 (schedule_controller.rb : 32)
ScheduleController의 32 행은 무엇입니까? – Zabba
사용자가 user_section을 가지고 있지 않은 경우 어떻게됩니까? null user_sections를 확인해야 할 필요가있는 것 같습니다. – mossplix
@zabba 그것은 user.save에 대한 호출입니다. – kolosy