upgrading to ruby 2.1.5p273 on Windows 7 causing problems -


i have uninstalled railsinstaller , reinstalled latest version 3.1.0 have updated versoin of ruby. have ruby 2.1.5p273 (2014-11-13 revision 48405) [i386-mingw32] on windows 7 machine when run rails server locally starts without errors.

=> booting thin => rails 4.2.3 application starting in development on http://localhost:3000 => run `rails server -h` more startup options => ctrl-c shutdown server thin web server (v1.6.3 codename protein powder) maximum connections set 1024 listening on localhost:3000, ctrl+c stop 

when open browser localhost:3000 home page opens without problem getting on console:

started "/" 127.0.0.1 @ 2015-07-15 01:22:05 +0300 processing mainpagescontroller#home html   rendered main_pages/_goclick.html.erb (1.0ms)   rendered main_pages/home.html.erb within layouts/application (286.0ms)   rendered layouts/_header.html.erb (1.0ms)   rendered layouts/_footer.html.erb (0.0ms) completed 200 ok in 1220ms (views: 1220.1ms | activerecord: 0.0ms)  started "/assets/application.self.css?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/custom.self.css?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/main_pages.self.css?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/messages.self.css?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/jquery.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/jquery_ujs.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/main_pages.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/messages.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/zeroclipboard/zeroclipboard.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/zeroclipboard/asset-path.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/zeroclipboard.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/application.self.js?body=1" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/application.js" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/logo.png" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/banner_ad.png" 127.0.0.1 @ 2015-07-15 01:22:06 +0300 started "/assets/dotted-gray.gif" 127.0.0.1 @ 2015-07-15 01:22:07 +0300 started "/application.js" 127.0.0.1 @ 2015-07-15 01:22:07 +0300 started "/assets/zeroclipboard.swf?nocache=1436912527062" 127.0.0.1 @ 2015-07-15 01:22:07 +0300 started "/application.js" 127.0.0.1 @ 2015-07-15 01:22:07 +0300  **actioncontroller::routingerror (no route matches [get] "/application.js"):**   actionpack (4.2.3) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'   actionpack (4.2.3) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'   railties (4.2.3) lib/rails/rack/logger.rb:38:in `call_app'   railties (4.2.3) lib/rails/rack/logger.rb:20:in `block in call'   activesupport (4.2.3) lib/active_support/tagged_logging.rb:68:in `block in tagged'   activesupport (4.2.3) lib/active_support/tagged_logging.rb:26:in `tagged'   activesupport (4.2.3) lib/active_support/tagged_logging.rb:68:in `tagged'   railties (4.2.3) lib/rails/rack/logger.rb:20:in `call'   actionpack (4.2.3) lib/action_dispatch/middleware/request_id.rb:21:in `call'   rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'   rack (1.6.4) lib/rack/runtime.rb:18:in `call'   activesupport (4.2.3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'   rack (1.6.4) lib/rack/lock.rb:17:in `call'   actionpack (4.2.3) lib/action_dispatch/middleware/static.rb:116:in `call'   rack (1.6.4) lib/rack/sendfile.rb:113:in `call'   railties (4.2.3) lib/rails/engine.rb:518:in `call'   railties (4.2.3) lib/rails/application.rb:165:in `call'   rack (1.6.4) lib/rack/content_length.rb:15:in `call'   thin (1.6.3) lib/thin/connection.rb:86:in `block in pre_process'   thin (1.6.3) lib/thin/connection.rb:84:in `catch'   thin (1.6.3) lib/thin/connection.rb:84:in `pre_process'   thin (1.6.3) lib/thin/connection.rb:53:in `process'   thin (1.6.3) lib/thin/connection.rb:39:in `receive_data'   eventmachine (1.0.7) lib/eventmachine.rb:187:in `run_machine'   eventmachine (1.0.7) lib/eventmachine.rb:187:in `run'   thin (1.6.3) lib/thin/backends/base.rb:73:in `start'   thin (1.6.3) lib/thin/server.rb:162:in `start'   rack (1.6.4) lib/rack/handler/thin.rb:19:in `run'   rack (1.6.4) lib/rack/server.rb:286:in `start'   railties (4.2.3) lib/rails/commands/server.rb:80:in `start'   railties (4.2.3) lib/rails/commands/commands_tasks.rb:80:in `block in server'   railties (4.2.3) lib/rails/commands/commands_tasks.rb:75:in `tap'   railties (4.2.3) lib/rails/commands/commands_tasks.rb:75:in `server'   railties (4.2.3) lib/rails/commands/commands_tasks.rb:39:in `run_command!'   railties (4.2.3) lib/rails/commands.rb:17:in `<top (required)>'   script/rails:6:in `require'   script/rails:6:in `<main>'     rendered d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (4.0ms)   rendered d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/routes/_route.html.erb (2.0ms)   rendered d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/routes/_table.html.erb (32.0ms)   rendered d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (3.0ms)   rendered d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout (126.0ms)  started "/assets/favicon16x16.ico" 127.0.0.1 @ 2015-07-15 01:22:08 +0300 

i not sure if getting "routing error.." before upgrading ruby 2.1 1.9

the critical new issues when submit forms no output on site , console shows hundreds of lines, include below, terminates unexpectedly , rails server stops.

. . .  1300 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/validations/associated.rb  1301 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/validations/uniqueness.rb  1302 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/validations/presence.rb  1303 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/validations.rb  1304 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activemodel-4.2.3/lib/active_model/callbacks.rb  1305 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/counter_cache.rb  1306 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/locking/optimistic.rb  1307 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/locking/pessimistic.rb  1308 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activesupport-4.2.3/lib/active_support/core_ext/module/method_transplanting.rb  1309 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/read.rb  1310 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/write.rb  1311 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/before_type_cast.rb  1312 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/query.rb  1313 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/primary_key.rb  1314 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/time_zone_conversion.rb  1315 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activemodel-4.2.3/lib/active_model/dirty.rb  1316 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/dirty.rb  1317 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/timestamp.rb  1318 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/attribute_methods/serialization.rb  1319 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/callbacks.rb  1320 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/associations.rb  1321 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/autosave_association.rb  1322 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/associations/builder/association.rb  1323 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/nested_attributes.rb  1324 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/aggregations.rb  1325 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/transactions.rb  1326 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/no_touching.rb  1327 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/reflection.rb  1328 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activemodel-4.2.3/lib/active_model/serialization.rb  1329 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activemodel-4.2.3/lib/active_model/serializers/json.rb  1330 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activemodel-4.2.3/lib/active_model/serializers/xml.rb  1331 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/serializers/xml_serializer.rb  1332 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/serialization.rb  1333 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/store.rb  1334 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/connection_adapters/statement_pool.rb  1335 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/arel-6.0.2/lib/arel/visitors/bind_visitor.rb  1336 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/connection_adapters/abstract/savepoints.rb  1337 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/connection_adapters/sqlite3_adapter.rb  1338 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/runtime_registry.rb  1339 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/globalid-0.3.5/lib/global_id/identification.rb  1340 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/base.rb  1341 d:/railsinstaller/ruby2.1.0/lib/ruby/gems/2.1.0/gems/activerecord-4.2.3/lib/active_record/connection_adapters/abstract/transaction.rb  1342 d:/rails_projects/tafqit/app/controllers/counted.rb  1343 d:/rails_projects/tafqit/app/controllers/tafqit.rb  [note] may have encountered bug in ruby interpreter or extension libraries. bug reports welcome. details: http://www.ruby-lang.org/bugreport.html   application has requested runtime terminate in unusual way. please contact application's support team more information. 

is there known problem in ruby 2.1.5p273 (2014-11-13 revision 48405) [i386-mingw32] windows? recommend me do, novice please bear me.

i found cause of problem was. old installations of other ruby versions. once deleted them. working now.


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