some documentation regarding mass assignment, show full stack trace in console

app/models/issue.rb

@@ -121,7 +121,7 @@ class Issue < ActiveRecord::Base
 
   def copy_from(arg)
     issue = arg.is_a?(Issue) ? arg : Issue.visible.find(arg)
-    # project_id is protected from mass assignment
+    # attributes don't come from form, so it's save to force assign
     self.force_attributes = issue.attributes.dup.except("id", "root_id", "parent_id", "lft", "rgt", "created_on", "updated_on")
     self.custom_field_values = issue.custom_field_values.inject({}) {|h,v| h[v.custom_field_id] = v.value; h}
     self.status = issue.status

app/models/member.rb

@@ -74,7 +74,8 @@ class Member < ActiveRecord::Base
   # Find or initilize a Member with an id, attributes, and for a Principal
   def self.edit_membership(id, new_attributes, principal=nil)
     @membership = id.present? ? Member.find(id) : Member.new(:principal => principal)
-    # project_id is protected from mass assignment    
+    # interface refactoring needed
+    # not critical atm because only admins can invoke it (see users and groups controllers)
     @membership.force_attributes = new_attributes
     @membership
   end

config/initializers/backtrace_silencers.rb

@@ -18,4 +18,4 @@
 # Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
 
 # You can also remove all the silencers if you're trying do debug a problem that might steem from framework code.
-# Rails.backtrace_cleaner.remove_silencers!
+Rails.backtrace_cleaner.remove_silencers!