From d5e69f182cd7a6371ab25248f6432b277f83ef23 Mon Sep 17 00:00:00 2001
From: Timothy Jaeryang Baek <tim@openwebui.com>
Date: Mon, 20 Apr 2026 08:53:06 +0900
Subject: [PATCH] refac

---
 backend/open_webui/main.py              |  7 ++---
 backend/open_webui/routers/pipelines.py | 35 ++++++++++++++++++++++---
 backend/open_webui/utils/chat.py        |  4 ++-
 3 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/backend/open_webui/main.py b/backend/open_webui/main.py
index d1a0bddce..ba7f74c83 100644
--- a/backend/open_webui/main.py
+++ b/backend/open_webui/main.py
@@ -1877,7 +1877,8 @@ async def chat_completion(
             finally:
                 raise  # re-raise to ensure proper task cancellation handling
         except Exception as e:
-            log.error('Error processing chat payload: %s', e)
+            error_detail = e.detail if isinstance(e, HTTPException) else str(e)
+            log.error('Error processing chat payload: %s', error_detail)
             if metadata.get('chat_id') and metadata.get('message_id'):
                 # Update the chat message with the error
                 try:
@@ -1887,7 +1888,7 @@ async def chat_completion(
                             metadata['message_id'],
                             {
                                 'parentId': metadata.get('user_message_id', None),
-                                'error': {'content': str(e)},
+                                'error': {'content': error_detail},
                             },
                         )
 
@@ -1896,7 +1897,7 @@ async def chat_completion(
                         await event_emitter(
                             {
                                 'type': 'chat:message:error',
-                                'data': {'error': {'content': str(e)}},
+                                'data': {'error': {'content': error_detail}},
                             }
                         )
                         await event_emitter(
diff --git a/backend/open_webui/routers/pipelines.py b/backend/open_webui/routers/pipelines.py
index 94c1357fd..580fb42fb 100644
--- a/backend/open_webui/routers/pipelines.py
+++ b/backend/open_webui/routers/pipelines.py
@@ -94,9 +94,24 @@ async def process_pipeline_inlet_filter(request, payload, user, models):
                     response.raise_for_status()
                     payload = await response.json()
             except aiohttp.ClientResponseError as e:
-                res = await response.json() if response.content_type == 'application/json' else {}
-                if 'detail' in res:
-                    raise Exception(response.status, res['detail'])
+                try:
+                    res = await response.json() if 'application/json' in response.content_type else {}
+                    if 'detail' in res:
+                        raise HTTPException(
+                            status_code=response.status,
+                            detail=res['detail'],
+                        )
+                except HTTPException:
+                    raise
+                except Exception:
+                    pass
+
+                raise HTTPException(
+                    status_code=response.status,
+                    detail=e.message,
+                )
+            except HTTPException:
+                raise
             except Exception as e:
                 log.exception(f'Connection error: {e}')
 
@@ -146,9 +161,21 @@ async def process_pipeline_outlet_filter(request, payload, user, models):
                 try:
                     res = await response.json() if 'application/json' in response.content_type else {}
                     if 'detail' in res:
-                        raise Exception(response.status, res)
+                        raise HTTPException(
+                            status_code=response.status,
+                            detail=res['detail'],
+                        )
+                except HTTPException:
+                    raise
                 except Exception:
                     pass
+
+                raise HTTPException(
+                    status_code=response.status,
+                    detail=e.message,
+                )
+            except HTTPException:
+                raise
             except Exception as e:
                 log.exception(f'Connection error: {e}')
 
diff --git a/backend/open_webui/utils/chat.py b/backend/open_webui/utils/chat.py
index 3539d57c8..9899469da 100644
--- a/backend/open_webui/utils/chat.py
+++ b/backend/open_webui/utils/chat.py
@@ -10,7 +10,7 @@ import json
 import uuid
 import asyncio
 
-from fastapi import Request, status
+from fastapi import HTTPException, Request, status
 from starlette.responses import Response, StreamingResponse, JSONResponse
 
 
@@ -328,6 +328,8 @@ async def chat_completed(request: Request, form_data: dict, user: Any):
 
     try:
         data = await process_pipeline_outlet_filter(request, data, user, models)
+    except HTTPException:
+        raise
     except Exception as e:
         raise Exception(f'Error: {e}')