ajax jquery does not submit to the database

ajax jquery does not submit to the database

Please friends I need help. When i want to submit a form using ajax, it
does not submit to the database but I get the following log messages:
Started POST "/comments" for 127.0.0.1 at 2013-08-07 12:39:23 +0300
Processing by CommentsController#create as JS Parameters:
{"utf8"=>"✓",
"authenticity_token"=>"9RZGL7SzAwNUx+FsZaRqUYIpTjtPpR8gsq3AfpGTfIE=",
"comment"=>{"person"=>"Psquare", "comment"=>"play great music"},
"commit"=>"Create Comment"} Completed 500 Internal Server Error in 4ms
ActionView::MissingTemplate (Missing template comments/create,
application/create with {: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]}. Searched in: *
"/home/joseph-ubuntu-pc/Ruby Programs/railsApps/ujs/app/views" ):
actionpack (3.2.12) lib/action_view/path_set.rb:58:in find'
actionpack (3.2.12) lib/action_view/lookup_context.rb:109:infind'
actionpack (3.2.12) lib/action_view/renderer/abstract_renderer.rb:3:in
find_template' actionpack (3.2.12)
lib/action_view/renderer/template_renderer.rb:34:in determine_template'
actionpack (3.2.12) lib/action_view/renderer/template_renderer.rb:10: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_template'
actionpack (3.2.12) lib/abstract_controller/rendering.rb:103:in
render_to_body' actionpack (3.2.12)
lib/action_controller/metal/renderers.rb:28:in render_to_body'
actionpack (3.2.12) lib/action_controller/metal/compatibility.rb:50:in
render_to_body' actionpack (3.2.12)
lib/abstract_controller/rendering.rb:88:in render' actionpack (3.2.12)
lib/action_controller/metal/rendering.rb:16:inrender'
actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:40:in
block (2 levels) in render' activesupport (3.2.12)
lib/active_support/core_ext/benchmark.rb:5:inblock in ms'
/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/benchmark.rb:296:in
realtime' activesupport (3.2.12)
lib/active_support/core_ext/benchmark.rb:5:inms' actionpack (3.2.12)
lib/action_controller/metal/instrumentation.rb:40:in block in render'
actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:83:in
cleanup_view_runtime' activerecord (3.2.12)
lib/active_record/railties/controller_runtime.rb:24: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_support/callbacks.rb:81:in
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:in block in instrument'
activesupport (3.2.12)
lib/active_support/notifications/instrumenter.rb:20:ininstrument'
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 dispatch'
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:36:in call'
journey (1.0.4) lib/journey/router.rb:68:in block in call'
journey (1.0.4) lib/journey/router.rb:56:ineach' journey (1.0.4)
lib/journey/router.rb:56:in call' actionpack (3.2.12)
lib/action_dispatch/routing/route_set.rb:601:incall' actionpack (3.2.12)
lib/action_dispatch/middleware/best_standards_support.rb:17:in call' 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__224644368831049422__call__3598850467178390193__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_call_callbacks'
activesupport (3.2.12) lib/active_support/callbacks.rb:81:in
run_callbacks' actionpack (3.2.12)
lib/action_dispatch/middleware/callbacks.rb:27:in call' actionpack
(3.2.12) lib/action_dispatch/middleware/reloader.rb:65:incall'
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'
railties (3.2.12) lib/rails/rack/logger.rb:32:incall_app' railties
(3.2.12) lib/rails/rack/logger.rb:16:in block in call'
activesupport (3.2.12) lib/active_support/tagged_logging.rb:22:in tagged'
railties (3.2.12) lib/rails/rack/logger.rb:16:in call'
actionpack (3.2.12) lib/action_dispatch/middleware/request_id.rb:22:in
call' rack (1.4.5) lib/rack/methodoverride.rb:21:in call' rack (1.4.5)
lib/rack/runtime.rb:17:incall' activesupport (3.2.12)
lib/active_support/cache/strategy/local_cache.rb:72:in call' rack (1.4.5)
lib/rack/lock.rb:15:incall' actionpack (3.2.12)
lib/action_dispatch/middleware/static.rb:62:in call' railties (3.2.12)
lib/rails/engine.rb:479:incall' railties (3.2.12)
lib/rails/application.rb:223:in call' rack (1.4.5)
lib/rack/content_length.rb:14:incall' railties (3.2.12)
lib/rails/rack/log_tailer.rb:17:in call' rack (1.4.5)
lib/rack/handler/webrick.rb:59:inservice'
/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/webrick/httpserver.rb:138:in
service'
/home/joseph-ubuntu-pc/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/webrick/httpserver.rb:94: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'
Rendered
/home/joseph-ubuntu-pc/.rvm/gems/ruby-2.0.0-p247/gems/actionpack-3.2.12/lib/action_dispatch/middleware/templates/rescues/missing_template.erb
within rescues/layout (0.4ms)
Your help will be appreciated.Thanks. Joe