jquery - ajax jquery 不提交到数据库

Question

请需要我帮助的朋友。当我想使用 ajax 提交表单时，它不会提交到数据库，但我收到以下日志消息：

在 2013-08-07 12:39:23 +0300 开始 POST "/comments" for 127.0.0.1 +0300 由 CommentsController#create as JS 参数处理：{"utf8"=>"✓", "authenticity_token"=>"9RZGL7SzAwNUx+ FsZaRqUYIpTjtPpR8gsq3AfpGTfIE=", "comment"=>{"person"=>"Psquare", "comment"=>"play great music"}, "commit"=>"Create Comment"} 在 4 毫秒内完成 500 内部服务器错误

ActionView::MissingTemplate （缺少模板注释/创建，应用程序/创建 {:locale=>[:en], :formats=>[:js, "application/ecmascript", "application/x-ecmascript", :html, :text, :js, :css, :ics, :csv, :png, :jpeg, :gif, :bmp, :tiff, :mpeg, :xml, :rss, :atom, :yaml, :multipart_form, :url_encoded_form , :json, :pdf, :zip], :handlers=>[:erb, :builder, :coffee]}。搜索到：* "/home/joseph-ubuntu-pc/Ruby Programs/railsApps/ujs/app/视图"):
actionpack (3.2.12) lib/action_view/path_set.rb:58:in find' actionpack (3.2.12) lib/action_view/renderer/abstract_renderer.rb:3:in determine_template' actionpack (3.2.12) lib/action_view/renderer/template_renderer.rb:10:infind'
actionpack (3.2.12) lib/action_view/lookup_context.rb:109:in
find_template' actionpack (3.2.12) lib/action_view/renderer/template_renderer.rb:34:in render'
actionpack (3.2.12) lib/action_view/renderer/renderer.rb:36:in render_template' actionpack (3.2.12) lib/action_view/renderer/renderer.rb:17:in render' actionpack (3.2.12) lib/abstract_controller/rendering.rb:110:in _render_template' actionpack (3.2.12) lib/action_controller/metal/streaming.rb:225:in render_to_body' actionpack (3.2.12) lib/action_controller/metal/renderers.rb:28:in render_to_body' actionpack (3.2.12) lib/abstract_controller/rendering.rb:88:in render' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb: 40：在 ms'/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/benchmark.rb:296:in块中：在 ms' actionpack (3.2. 12) lib/action_controller/metal/instrumentation.rb:40:in cleanup_view_runtime' activerecord (3.2.12) lib/active_record/railties/controller_runtime.rb:24:in _render_template'
actionpack (3.2.12) lib/abstract_controller/rendering.rb:103:in render_to_body'
actionpack (3.2.12) lib/action_controller/metal/compatibility.rb:50:in render' actionpack (3.2.12) lib/action_controller/metal/rendering.rb:16:in
block (2 levels) in render' activesupport (3.2.12) lib/active_support/core_ext/benchmark.rb:5:in
realtime' activesupport (3.2.12) lib/active_support/core_ext/benchmark.rb:5:inblock in render' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:83:in cleanup_view_runtime' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:39:inrender'
actionpack (3.2.12) lib/action_controller/metal/implicit_render.rb:10:in default_render' actionpack (3.2.12) lib/action_controller/metal/implicit_render.rb:5:insend_action'
actionpack (3.2.12) lib/abstract_controller/base.rb:167:in process_action' actionpack (3.2.12) lib/action_controller/metal/rendering.rb:10:inprocess_action'
actionpack (3.2.12) lib/ abstract_controller/callbacks.rb:18:in block in process_action' activesupport (3.2.12) lib/active_support/callbacks.rb:414:in run _1159258281710581833__process_action_ 4226477895840818250 _callbacks' activesupport (3.2.12) lib/active_support/callbacks.rb:405:in __run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in_run_process_action_callbacks' activesupport (3.2.12) lib/active_rb:81in. run_callbacks' actionpack (3.2.12) lib/abstract_controller/callbacks.rb:17:inprocess_action'
actionpack (3.2.12) lib/action_controller/metal/rescue.rb:29:in process_action' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:30:inblock in process_action' activesupport (3.2.12) lib/active_support/notifications.rb:123:inblock in instrument'
activesupport (3.2.12) lib/active_support/notifications/instrumenter.rb:20:in仪器'
activesupport (3.2.12) lib/active_support/notifications.rb:123:in instrument' actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:29:inprocess_action' actionpack (3.2.12) lib/action_controller/metal/params_wrapper.rb:207:in process_action' activerecord (3.2.12) lib/active_record/railties/controller_runtime.rb:18:in process_action' actionpack (3.2.12) lib/ abstract_controller/base.rb:121:in process' actionpack (3.2.12) lib/abstract_controller/rendering.rb:45:inprocess' actionpack (3.2.12) lib/action_controller/metal.rb:203:in dispatch' actionpack (3.2.12) lib/action_controller/metal/rack_delegation.rb:14:in dispatch' actionpack (3.2.12) lib/action_controller/metal.rb:246:in block in action' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:incall' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in call' Journey (1.0.4) lib/journey/router.rb:68:in each' Journey (1.0.4) lib/journey/router .rb:56:in call' actionpack (3.2.12) lib/action_dispatch/middleware/best_standards_support.rb:17:indispatch'
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:36:in block in call'
journey (1.0.4) lib/journey/router.rb:56:incall' actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:601:incall' rack (1.4.5) lib/rack/etag.rb:23:incall' rack (1.4.5) lib/rack/conditionalget.rb:35:in call' actionpack (3.2.12) lib/action_dispatch/middleware/head.rb:14:incall' actionpack (3.2.12) lib/action_dispatch/middleware/params_parser.rb:21:in call' actionpack (3.2.12) lib/action_dispatch/middleware/flash.rb:242:in call' rack (1.4.5) lib/ rack/session/abstract/id.rb:210:in context' rack (1.4.5) lib/rack/session/abstract/id.rb:205:incall'
actionpack (3.2.12) lib/action_dispatch/middleware/cookies.rb:341:in call' activerecord (3.2.12) lib/active_record/query_cache.rb:64:in call' activerecord (3.2.12) lib/active_record/connection_adapters/abstract/ connection_pool.rb:479:in call' actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:28:inblock in call'
activesupport (3.2.12) lib/active_support/callbacks.rb:405:in __run_callback' activesupport (3.2.12) lib/active_support/callbacks.rb:385:in run_callbacks' actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:27:in call'_run__224644368831049422__call__3598850467178390193__callbacks'
activesupport (3.2.12) lib/active_support/callbacks.rb:405:in _run_call_callbacks'
activesupport (3.2.12) lib/active_support/callbacks.rb:81:in call' actionpack (3.2.12) lib/action_dispatch/middleware/reloader.rb:65:in
actionpack (3.2.12) lib/action_dispatch/middleware/remote_ip.rb:31:in call' actionpack (3.2.12) lib/action_dispatch/middleware/debug_exceptions.rb:16:incall'
actionpack (3.2.12) lib/action_dispatch/middleware/show_exceptions.rb:56:in call_app' railties (3.2.12) lib/ rails/rack/logger.rb:16:in tagged' railties (3.2.12) lib/rails/rack/logger.rb:16:in call' rack (1.4.5) lib/rack/methodoverride.rb:21:在调用中'activesupport (3.2.12) lib/active_support/cache/strategy/local_cache.rb:72:in call' actionpack (3.2.12) lib/action_dispatch/middleware/static.rb:62:in call' railties (3.2 .12) lib/rails/application.rb:223:in call' railties (3.2.12) lib/rails/rack/log_tailer.rb:17:in service'call'
railties (3.2.12) lib/rails/rack/logger.rb:32:inblock in call'
activesupport (3.2.12) lib/active_support/tagged_logging.rb:22:in call'
actionpack (3.2.12) lib/action_dispatch/middleware/request_id.rb:22:in call' rack (1.4.5) lib/rack/runtime.rb:17:incall' rack (1.4.5) lib/rack/lock.rb:15:incall' railties (3.2.12) lib/rails/engine.rb:479:incall' rack (1.4.5) lib/rack/content_length.rb:14:incall' rack (1.4.5) lib/rack/handler/webrick.rb:59:in
/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/webrick/httpserver.rb:138:in run' /home/joseph-ubuntu-pc/ .rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread'service'
/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/webrick/httpserver.rb:94:in

在rescues/layout (0.4小姐）

您的帮助将不胜感激。谢谢。乔