ERR::SESSION::CONCURRENT_ACCESS

Concurrent access to the session has been tried. If your spider run on distributed architecture, check if the correlation id is correctly configured. See all errors

  • Retryable: Yes
  • HTTP status code: 429
If retryable is "yes" and retry=true the errored is retried internally by scrapfly. In the end if you get the error, it means the errors happened 3 times or the error happened after retries from other kind of retryable error in the last retry round.

Read Error From Response Body

{
    "config": { ... },
    "context": { ... },
    "result": {
        [...],
        "status": "DONE",
        "success": false,
        "reason": null,
        "error": {
            "http_code": 429,
            "code": "ERR::SESSION::CONCURRENT_ACCESS",
            "description": "ERR::SESSION::CONCURRENT_ACCESS",
            "error_id": "9993a546-b899-4927-b788-04f5c4e473d5",
            "message": "Useful hint with details about your error",
            "scrape_id": "7c61352c-f1a7-4ea6-a0b8-198d7ac6fe1a",
            "retryable": true,
            "doc_url": "https://scrapfly.io/docs/scrape-api/error/ERR::SESSION::CONCURRENT_ACCESS"
        },
        [...],
    }
}

Read Error From Response Headers

Moslty relevant with HEAD request

  • X-Scrapfly-Reject-Code: ERR::SESSION::CONCURRENT_ACCESS
  • X-Scrapfly-Reject-Description: Concurrent access to the session has been tried. If your spider run on distributed architecture, check if the correlation id is correctly configured
  • X-Scrapfly-Reject-Doc: https://scrapfly.io/docs/scrape-api/error/ERR::SESSION::CONCURRENT_ACCESS
  • X-Scrapfly-Reject-Http-Code: https://scrapfly.io/docs/scrape-api/error/429
  • X-Scrapfly-Reject-Retryable: true

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Summary