Let exceptions propagate to the default handler for ways so they are logged.

app/controllers/way_controller.rb

@@ -15,12 +15,9 @@ class WayController < ApplicationController
           render :nothing => true, :status => :precondition_failed
         else
           way.user_id = @user.id
+          way.save_with_history!
 
-          if way.save_with_history
           render :text => way.id.to_s, :content_type => "text/plain"
-          else
-            render :nothing => true, :status => :internal_server_error
-          end
         end
       else
         render :nothing => true, :status => :bad_request
@@ -41,8 +38,6 @@ class WayController < ApplicationController
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
@@ -61,12 +56,9 @@ class WayController < ApplicationController
             way.tags = new_way.tags
             way.segs = new_way.segs
             way.visible = true
+            way.save_with_history!
 
-            if way.save_with_history
             render :nothing => true
-            else
-              render :nothing => true, :status => :internal_server_error
-            end
           end
         else
           render :nothing => true, :status => :bad_request
@@ -76,8 +68,6 @@ class WayController < ApplicationController
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
@@ -90,19 +80,14 @@ class WayController < ApplicationController
         way.tags = []
         way.segs = []
         way.visible = false
+        way.save_with_history!
 
-        if way.save_with_history
         render :nothing => true
-        else
-          render :nothing => true, :status => :internal_server_error
-        end
       else
         render :nothing => true, :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
@@ -136,8 +121,6 @@ class WayController < ApplicationController
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 

app/models/way.rb

@@ -142,8 +142,7 @@ class Way < ActiveRecord::Base
     @tags[k] = v
   end
 
-  def save_with_history
+  def save_with_history!
-    begin
     Way.transaction do
       t = Time.now
       self.timestamp = t
@@ -179,11 +178,6 @@ class Way < ActiveRecord::Base
       old_way.timestamp = t
       old_way.save_with_dependencies!
     end
-
-      return true
-    rescue
-      return nil
-    end
   end
 
   def preconditions_ok?