Captcha Tasks Stuck in Processing: Distinguish \"Slow\" from \"Stuck\" and Troubleshoot in Order
When a captcha task keeps returning processing, the common causes fall into four categories: Token-type tasks are inherently slow, the polling code is flawed, the task parameters contain soft errors, or the proxy or target site has an issue. This article gives you the judgment methods, troubleshooting order, polling pseudocode with an overall timeout, and how to retry and stop losses after a timeout.
Troubleshooting Captcha Token Verification Failures After Return: Time Validity, Parameters, Injection, Score, and IP Layer-by-Layer Diagnosis
When a recognition service returns a token but the target site still rejects it, the failure usually falls into five categories: token expiration or reuse, mismatched sitekey/page URL/action/rqdata, token not injected or callback not triggered, reCAPTCHA v3/Enterprise score below threshold, or IP/session inconsistency between generation and submission. This article explains how to locate the failure layer and which log fields to record.
