18590: the default value for uuid in the groups/contents api endpoint

       should not be expressed as `null` in the discovery doc, but as a
       string.

Arvados-DCO-1.1-Signed-off-by: Ward Vandewege <ward@curii.com>

diff --git a/services/api/app/controllers/arvados/v1/groups_controller.rb b/services/api/app/controllers/arvados/v1/groups_controller.rb
index 7fbb86c010c01df4d08cbde40c434c7f8b9063ae..c1dc7a49612162aa9fcc79211c4358e77005da5b 100644 (file)
--- a/services/api/app/controllers/arvados/v1/groups_controller.rb
+++ b/services/api/app/controllers/arvados/v1/groups_controller.rb
@@ -34,7 +34,7 @@ class Arvados::V1::GroupsController < ApplicationController
     params = _index_requires_parameters.
       merge({
               uuid: {
-                type: 'string', required: false, default: nil,
+                type: 'string', required: false, default: '',
               },
               recursive: {
                 type: 'boolean', required: false, default: false, description: 'Include contents from child groups recursively.',