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fix(api): improve error message clarity in evaluation results #3364

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fix(api): improve error message clarity in evaluation results
wsxzei Jan 7, 2026
77cb350
Merge branch 'main' into fix/evaluation-table-error-message-ux
wsxzei Jan 8, 2026
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33 changes: 25 additions & 8 deletions api/oss/src/services/llm_apps_service.py
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Original file line number Diff line number Diff line change
Expand Up @@ -296,14 +296,31 @@ async def invoke_app(
)

except aiohttp.ClientResponseError as e:
error_message = app_response.get("detail", {}).get(
"error", f"HTTP error {e.status}: {e.message}"
)
stacktrace = app_response.get("detail", {}).get(
"message"
) or app_response.get("detail", {}).get(
"traceback", "".join(traceback.format_exception_only(type(e), e))
)
detail = app_response.get("detail", {})

if isinstance(detail, dict):
# Get detail.message as the primary error message
if "message" in detail and detail["message"]:
error_message = detail["message"]
elif "error" in detail and detail["error"]:
error_message = detail["error"]
else:
error_message = f"HTTP error {e.status}: {e.message}"
else:
# Fallback to HTTP error info
error_message = f"HTTP error {e.status}: {e.message}"

# Extract stacktrace from detail, fallback to exception traceback
if isinstance(detail, dict):
raw_stacktrace = (detail.get("stacktrace") or detail.get("traceback"))
if not raw_stacktrace:
stacktrace = "".join(traceback.format_exception_only(type(e), e))
elif isinstance(raw_stacktrace, list):
stacktrace = "".join(str(item) for item in raw_stacktrace)
else:
stacktrace = str(raw_stacktrace)
else:
stacktrace = "".join(traceback.format_exception_only(type(e), e))
log.error(f"HTTP error occurred during request: {error_message}")
except aiohttp.ServerTimeoutError as e:
error_message = "Request timed out"
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