Google Vertex AI (generative AI) error
Vertex AI 499 CANCELLED: what it means and how to fix it
499 CANCELLEDRetry? Not statedLast verified 0 documented fixes1 source
What it means
The request was cancelled by the client.
Causes
- The client cancelled the request
How to fix it
The official docs list no specific fix for this error. Check the causes above and the provider's error docs under Sources.
More Vertex AI errors
All 11 Vertex AI errors400 INVALID_ARGUMENT / FAILED_PRECONDITIONRetry? No401 UNAUTHENTICATEDRetry? No403 PERMISSION_DENIEDRetry? No404 NOT_FOUNDRetry? No429 RESOURCE_EXHAUSTEDRetry? Yes429 Resource exhausted, please try again laterRetry? Yes429 Too many requests. Exceeded the Provisioned ThroughputRetry? Not stated500 UNKNOWN / INTERNALRetry? Yes
HTTP 499 at other providers
FAQ
What does the Vertex AI error "499 CANCELLED" mean?
The request was cancelled by the client.
How do I fix Vertex AI "499 CANCELLED"?
The official docs list no specific fix for this error. Documented cause: The client cancelled the request
Should I retry Vertex AI "499 CANCELLED"?
Not stated. The official docs do not say whether this error is retryable.
Which other AI APIs return HTTP 499?
Per their official error docs: Cohere API (499 Request Cancelled), Gemini API (499 cancelled; 499 CANCELLED), Groq API (499 Request Cancelled).
Sources
Last verified against 1 source: Vertex AI's official docs and official SDK repositories.
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