X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/039e808b1be1f2106118dc20174977d8e8766125..78ae561901fff56fad51a5aea9c92f3cea6f4bb3:/services/api/app/models/arvados_model.rb

diff --git a/services/api/app/models/arvados_model.rb b/services/api/app/models/arvados_model.rb
index 376df0cef3..2e17747839 100644
--- a/services/api/app/models/arvados_model.rb
+++ b/services/api/app/models/arvados_model.rb
@@ -36,6 +36,12 @@ class ArvadosModel < ActiveRecord::Base
     end
   end
 
+  class AlreadyLockedError < StandardError
+    def http_status
+      403
+    end
+  end
+
   class UnauthorizedError < StandardError
     def http_status
       401