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fix: Fixed the error message display for non-standard SSE (#23228)

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Shirasawa 2026-06-30 01:31:41 +08:00 • committed by GitHub
parent b4073f6378
commit 91aea7fe8c
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20
backend/open_webui/utils/middleware.py
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@ -4143,6 +4143,26 @@ async def streaming_chat_response_handler(response, ctx):
# "data:" is the prefix for each event
if not data.startswith('data:'):
# Some upstreams return plain JSON error lines in a streaming response
# (without SSE `data:` prefix). Try to normalize these into standard
# error events so frontend and DB paths still receive them.
try:
raw_obj = json.loads(data)
raw_error = raw_obj.get("error") if isinstance(raw_obj, dict) else None
if raw_error:
try:
Chats.upsert_message_to_chat_by_id_and_message_id(
metadata["chat_id"],
metadata["message_id"],
{
"error": {"content": raw_error},
},
)
except Exception:
pass
await event_emitter({ "type": "chat:completion", "data": { "error": raw_error } })
except Exception:
pass
continue
# Remove the prefix