ignore AR not found errors

app/controllers/notices_controller.rb

@@ -12,6 +12,11 @@ class NoticesController < ActionController::Base
     /^\d+:/
   ]
 
+  # error classes to ignore
+  EXCEPTION_FILTERS = [
+    /ActiveRecord::RecordNotFound/
+  ]
+
   def index_v2
     logger.debug {"received v2 request:\n#{@notice.inspect}\nwith redmine_params:\n#{@redmine_params.inspect}"}
     create_or_update_issue @redmine_params, @notice
@@ -34,6 +39,9 @@ def create_or_update_issue(redmine_params, notice)
 
     # error class and message
     error_class = notice['error']['class']
+    if EXCEPTION_FILTERS.detect{|f| error_class.to_s =~ f}
+      render( :status => 200, :text => "Ignored bug report (filtered exception)." ) and return
+    end
     error_message = notice['error']['message']
 
     # build filtered backtrace
@@ -106,7 +114,7 @@ def create_or_update_issue(redmine_params, notice)
       Mailer.deliver_issue_edit(journal) if Setting.notified_events.include?('issue_updated')
     end
 
-    render :status => 200, :text => "Received bug report.\n<error-id>#{issue.id}</error-id>"
+    render :status => 201, :text => "Received bug report.\n<error-id>#{issue.id}</error-id>"
   end
 
   def format_hash(hash)