Description
Summary
The Client SDK permits None for the group_name parameter during service creation (POST /services). However, the API handler in the backend manager expects a non-null string, resulting in a validation error when None is passed.
Refs
- https://github.com/lablup/backend.ai/blob/69c77dcc5e9553bad5b79491adb4deae54b7dc23/src/ai/backend/manager/api/service.py#L387
- https://github.com/lablup/backend.ai/blob/69c77dcc5e9553bad5b79491adb4deae54b7dc23/src/ai/backend/client/func/service.py#L107
Steps to Reproduce
Expected Behavior
Actual Behavior
Logs/Errors
ERROR 2025-05-18 21:36:48,156 models 20740 281472313078144 Failed to run task instance serving-task (844b1928-18b6-475b-9107-6f41a49ceb9e):
BackendAPIError(
400,
'Bad Request',
{
'type': 'https://api.backend.ai/probs/invalid-api-params',
'title': 'Missing or invalid API parameters.',
'error_code': 'api_generic_invalid-parameters',
'msg': "Input should be a valid string [type=string_type, input=None, loc='group']", 'data': [{'type': 'string_type', 'loc': ['group'], 'msg': 'Input should be a valid string', 'input': None, 'url': 'https://errors.pydantic.dev/2.11/v/string_type'},