add default db connect if fail

app/controllers/application_controller.rb

@@ -13,18 +13,19 @@ class ApplicationController < ActionController::Base
   #response format must be set to JSON
 
   def lookup_domain
-    # if request.subdomain.present? && request.subdomain != "www"
+    if request.subdomain.present? && request.subdomain != "www"
       @license = current_license(ENV["SX_PROVISION_URL"], request.subdomain.downcase)
       if (!@license.nil?)
         # logger.info "Location - " + @license.name
         ActiveRecord::Base.establish_connection(website_connection(@license))
         # logger.info "Connecting to - " + @license.subdomain + " - "+ @license.dbhost + "@" + @license.dbschema
       else
+        # reconnect_default_db
         logger.info 'License is nil'
         # redirect_to root_url(:host => request.domain) + "store_error"
-        render :json => [{ status: false, message: 'Invalid Access!'}]
+         render :json => [{ status: false, message: 'Invalid Access!'}]
       end
-    # end
+    end
   end
 
   def current_license(url, key)
@@ -48,6 +49,10 @@ class ApplicationController < ActionController::Base
 
   end
 
+  def reconnect_default_db
+    ActiveRecord::Base.establish_connection(Rails.env)
+  end
+
   # Regular database.yml configuration hash
   def default_connection
     @default_config ||= ActiveRecord::Base.connection.instance_variable_get("@config").dup