upstream_unavailable
The message text is shown in the example below.
| HTTP status | 502 |
type | api_error |
| Retry? | Yes, with back-off |
| Status | In the public catalog (error-envelope.ts) |
| Extra fields | none |
When it happens
A network failure between Syntic and the model service.
Example
{
"error": {
"type": "api_error",
"code": "upstream_unavailable",
"message": "The model service could not be reached. Retry shortly.",
"param": null,
"request_id": "req_6f1c2a9e0b7d4c3a8e5f1b2d"
}
}How to fix it
- Retry with back-off.
Detect it in code
err = resp.json().get("error", {})
if resp.status_code == 502 and err.get("code") == "upstream_unavailable":
delay = err.get("retry_after") or 2
time.sleep(delay) # then retryRelated
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