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Fix RequestValidationError response format #7487

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Merged
merged 2 commits into from
Jun 24, 2025
Merged

Fix RequestValidationError response format #7487

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fe29473
Fix RequestValidationError handling
CatherineSue Jun 24, 2025
b3a0372
Slight refine
CatherineSue Jun 24, 2025
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20 changes: 16 additions & 4 deletions python/sglang/srt/entrypoints/http_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@
ChatCompletionRequest,
CompletionRequest,
EmbeddingRequest,
ErrorResponse,
ModelCard,
ModelList,
ScoringRequest,
Expand Down Expand Up @@ -172,12 +173,23 @@ async def lifespan(fast_api_app: FastAPI):
@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request: Request, exc: RequestValidationError):
"""Override FastAPI's default 422 validation error with 400"""
exc_str = str(exc)
errors_str = str(exc.errors())

if errors_str and errors_str != exc_str:
message = f"{exc_str} {errors_str}"
else:
message = exc_str

err = ErrorResponse(
message=message,
type=HTTPStatus.BAD_REQUEST.phrase,
code=HTTPStatus.BAD_REQUEST.value,
)

return ORJSONResponse(
status_code=400,
content={
"detail": exc.errors(),
"body": exc.body,
},
content=err.model_dump(),
)


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