app_controllers_vehicle_controller.rb

class VehiclesController < ApplicationController
  # GET /vehicles
  def index
    @vehicles = Vehicles.all
  end
end

config_database.yml

development:
  adapter: sqlserver
  username: user
  password: pass
  database: dbname
  host: "jdbc:sqlserver://myserver:1433"

error

Started GET "/vehicles" for 127.0.0.1 at Tue May 31 12:54:08 -0500 2011
  Processing by VehiclesController#index as HTML
Malformed URI: java.net.URISyntaxException: Expected closing bracket for IPv6 address at index 43: jtds.sqlserver://user:pass@[jdbc:sqlserver://myserver:1433]/dbname?adapter=sqlserver&username=user&password=pass&database=dbname&path=dbname&host=jdbc%253Asqlserver%253A%252F%252Fmyserver%253A1433
Rendered vehicles/index.html.erb within layouts/application (50.0ms)
Completed   in 85ms

ActionView::Template::Error (Malformed URI: java.net.URISyntaxException: Expected closing bracket for IPv6 address at index 43: jtds.sqlserver://user:pass@[jdbc:sqlserver://myserver:1433]/dbname?adapter=sqlserver&username=user&password=pass&database=dbname&path=dbname&host=jdbc%253Asqlserver%253A%252F%252Fmyserver%253A1433):
    1: <h1>Listing Vehicles</h1>
    2:
    3: <% @vehicles.each do |vehicle| %>
    4:   <tr>
    5:     <td><%= vehicle.number %></td>
    6:     <td><%= vehicle.make %></td>
  app/views/vehicles/index.html.erb:3:in `_app_views_vehicles_index_html_erb__1633649431_2264_0'

Rendered C:/dev/jruby-1.6.2/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/_trace.erb (8.0ms)
Rendered C:/dev/jruby-1.6.2/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (22.0ms)
Rendered C:/dev/jruby-1.6.2/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/template_error.erb within rescues/layout (45.0ms)