fix: log expected fetch/transcript/tool-server failures as warnings (#24903)

backend/open_webui/retrieval/loaders/youtube.py

@@ -98,7 +98,7 @@ class YoutubeLoader:
         try:
             transcript_list = transcript_api.list(self.video_id)
         except Exception as e:
-            log.exception('Loading YouTube transcript failed')
+            log.warning(f'Loading YouTube transcript failed: {e}')
             return []
 
         # Try each language in order of priority

backend/open_webui/tools/builtin.py

@@ -272,7 +272,7 @@ async def fetch_url(
 
         return content
     except Exception as e:
-        log.exception(f'fetch_url error: {e}')
+        log.warning(f'fetch_url error: {e}')
         return json.dumps({'error': str(e)})
 
 

backend/open_webui/utils/tools.py

@@ -1513,7 +1513,7 @@ async def execute_tool_server(
 
     except Exception as err:
         error = str(err)
-        log.exception(f'API Request Error: {error}')
+        log.warning(f'API Request Error: {error}')
         return ({'error': error}, None)