postgresql - Rails received invalid response to SSL Negotiation -

the second run rails s error title on screen. using port -5432, ubuntu, postgresql , firefox. did not create app learning code through modifying , haven't modified yet. in advance help.

here database.yml

default: &default adapter: postgresql   pool: 5   timeout: 5000   host: localhost   username: postgres   password: postgres   port: 5432  development:   <<: *default   database: test_development 

here server error

2015-07-11 04:09:45 -0700: http parse error, malformed request (): #<puma::httpparsererror: invalid http format, parsing fails.> 2015-07-11 04:09:45 -0700: env: {"rack.version"=>[1, 3], "rack.errors"=>#<io:<stderr>>, "rack.multithread"=>true, "rack.multiprocess"=>false, "rack.run_once"=>false, "script_name"=>"", "content_type"=>"text/plain", "query_string"=>"", "server_protocol"=>"http/1.1", "server_software"=>"2.11.3", "gateway_interface"=>"cgi/1.2"} ---   started post "/__better_errors/843c1a9e623e5260/variables" 127.0.0.1 @ 2015-07-11 04:09:45 -0700 

it error on end. ended fixing it