Problem with rails-api dont save in data base

[Alessandro Binhara]

Hello ... 

i have a simple problem.  I genereate a simple aplication in rails-api ... and it works

but when a try make a post with data .. it save null in all records.. it dont pass valeu to my SQL see : 

SQL (2.9ms)  INSERT INTO "hidrometros" ("created_at", "updated_at") VALUES (?, ?)  [["created_at", Fri, 28 Mar 2014 03:46:55 UTC +00:00], ["updated_at", Fri, 28 Mar 2014 03:46:55 UTC +00:00]]

   (6.2ms)  commit transaction

What is wrong??

Here all log ... 

thanks

binhara-VirtualBox wsleitor # rails s

=> Booting WEBrick

=> Rails 4.0.3 application starting in development on http://0.0.0.0:3000

=> Run `rails server -h` for more startup options

=> Ctrl-C to shutdown server

[2014-03-28 00:46:36] INFO  WEBrick 1.3.1

[2014-03-28 00:46:36] INFO  ruby 1.9.3 (2012-04-20) [x86_64-linux]

[2014-03-28 00:46:36] INFO  WEBrick::HTTPServer#start: pid=3330 port=3000

DEPRECATION WARNING: You didn't set config.secret_key_base. Read the upgrade documentation to learn more about this new config option. (called from service at /usr/lib/ruby/1.9.1/webrick/httpserver.rb:138)

Started GET "/hidrometros" for 127.0.0.1 at 2014-03-28 00:46:45 -0300

  ActiveRecord::SchemaMigration Load (0.3ms)  SELECT "schema_migrations".* FROM "schema_migrations"

Processing by HidrometrosController#index as JSON

  Hidrometro Load (0.2ms)  SELECT "hidrometros".* FROM "hidrometros"

Completed 200 OK in 11ms (Views: 9.3ms | ActiveRecord: 0.6ms)

Started POST "/hidrometros" for 127.0.0.1 at 2014-03-28 00:46:55 -0300

Processing by HidrometrosController#create as */*

  Parameters: {"task"=>{"barcode"=>"33333", "nomefoto"=>"3333", "dados"=>"33333", "data"=>"3333"}}

   (0.1ms)  begin transaction

  SQL (2.9ms)  INSERT INTO "hidrometros" ("created_at", "updated_at") VALUES (?, ?)  [["created_at", Fri, 28 Mar 2014 03:46:55 UTC +00:00], ["updated_at", Fri, 28 Mar 2014 03:46:55 UTC +00:00]]

   (6.2ms)  commit transaction

Completed 201 Created in 47ms (Views: 1.3ms | ActiveRecord: 9.2ms)

^C[2014-03-28 00:50:18] INFO  going to shutdown ...

[2014-03-28 00:50:18] INFO  WEBrick::HTTPServer#start done.

Exiting