閃光燈[：錯誤] = '<u>錯誤韋爾斯：</u><br />' +閃光燈[：錯誤]

Question

flash[:error] = '<u>Error in Wells:</u><br />' + flash[:error] 

我收到此錯誤

AbstractController::DoubleRenderError (Render and/or redirect were called multiple times in this action. Please note that you may only call render OR redirect, and at most once per action. Also note that neither redirect nor render terminate execution of the action, so if you want to exit an action after redirecting, you need to do something like "redirect_to(...) and return".): app/controllers/application_controller.rb:70:in `error' 
    app/controllers/application_controller.rb:441:in `block (2 levels) in parse_job_xml_modern' 
    app/controllers/application_controller.rb:115:in `each' 
    app/controllers/application_controller.rb:115:in `block in parse_job_xml_modern' 
    app/controllers/application_controller.rb:92:in `parse_job_xml_modern' 
    app/controllers/jobs_controller.rb:1017:in `block in parse_job_xml' 
    app/controllers/jobs_controller.rb:1012:in `each' 
    app/controllers/jobs_controller.rb:1012:in `parse_job_xml' 
    app/controllers/jobs_controller.rb:760:in `parse' 


    Rendered C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/web-console-2.0. 
0/lib/action_dispatch/templates/rescues/_source.erb (3.0ms) 
    Rendered C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/web-console-2.0. 
0/lib/action_dispatch/templates/rescues/_trace.html.erb (5.0ms) 
    Rendered C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/web-console-2.0. 
0/lib/action_dispatch/templates/rescues/_request_and_response.html.erb (2.0ms) 
    Rendered C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/web-console-2.0. 
0/lib/action_dispatch/templates/rescues/_web_console.html.erb (1.0ms) 
    Rendered C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/web-console-2.0. 
0/lib/action_dispatch/templates/rescues/diagnostics.html.erb within rescues/layo 
ut (77.0ms) 

Answer 1

試試這個

flash[:error] = 'Error in Wells:' + flash[:error]