{"record":{"id":"0fcf96497024dbfb","repo":"fish2018/pansou","slug":"cookie-w","errorCode":null,"errorMessage":"导出cookie失败: %w","messagePattern":"导出cookie失败: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"plugin/gying/gying.go","lineNumber":2234,"sourceCode":"\t// ========== 步骤3: GET详情页 (触发防爬cookies如vrg_sc、vrg_go等) ==========\n\tif DebugLog {\n\t\tfmt.Printf(\"[Gying] 步骤3: GET详情页收集完整Cookie\\n\")\n\t}\n\n\t_, warmupStatus, warmupHeaders, err := p.requestWithChallengeRetry(scraper, http.MethodGet, p.getWarmupDetailURL(), \"\", \"\")\n\tif err == nil {\n\t\tif DebugLog {\n\t\t\tfmt.Printf(\"[Gying] 详情页状态码: %d\\n\", warmupStatus)\n\t\t}\n\t\t// 从详情页响应中收集cookies\n\t\tcollectSetCookies(warmupHeaders, cookieMap)\n\t\tlogSetCookiesForDebug(warmupHeaders, \"[Gying]   详情页Cookie: %s=%s\\n\", 30)\n\t}\n\n\t// 构建cookie字符串\n\tcookieStr, err := p.exportCookies(scraper, p.getBaseURL())\n\tif err != nil {\n\t\treturn nil, \"\", fmt.Errorf(\"导出cookie失败: %w\", err)\n\t}\n\tcookieMap = parseCookieString(cookieStr)\n\n\tif DebugLog {\n\t\tfmt.Printf(\"[Gying] ✅ 登录成功！提取到 %d 个Cookie\\n\", len(cookieMap))\n\t\tfmt.Printf(\"[Gying] Cookie字符串长度: %d\\n\", len(cookieStr))\n\t\tfor name, value := range cookieMap {\n\t\t\tdisplayValue := value\n\t\t\tif len(displayValue) > 30 {\n\t\t\t\tdisplayValue = displayValue[:30] + \"...\"\n\t\t\t}\n\t\t\tfmt.Printf(\"[Gying]   %s=%s (len:%d)\\n\", name, displayValue, len(value))\n\t\t}\n\t\tfmt.Printf(\"[Gying] ========== 登录完成 ==========\\n\")\n\t}\n\n\treturn scraper, cookieStr, nil\n}","sourceCodeStart":2216,"sourceCodeEnd":2252,"githubUrl":"https://github.com/fish2018/pansou/blob/beaa56133755a548ebc51b090b3816e2ae044aa6/plugin/gying/gying.go#L2216-L2252","documentation":"Final login step: after collecting anti-bot cookies via a detail-page GET, gying calls p.exportCookies(scraper, p.getBaseURL()) to serialize the scraper's cookie jar into a cookie string for the site's base URL. If extraction fails (reflection into the scraper's internal http.Client cookie jar fails, or the jar is missing/empty in an unexpected way), the error is wrapped as '导出cookie失败: %w' and login aborts even though authentication itself succeeded.","triggerScenarios":"Calling gying login when exportCookies cannot read the cookies from the scraper — internal cookie-jar structure changed in a cloudscraper upgrade, or the jar is nil/uninitialized.","commonSituations":"Cloudscraper dependency upgraded so the plugin's reflection-based cookie-jar access no longer matches internal types; a code path where the scraper was constructed with a custom client lacking the expected jar; nil base URL causing cookie-domain matching to fail.","solutions":["Pin/align the cloudscraper version with what the plugin's exportCookies reflection expects — this error most often follows an upstream upgrade.","Check DebugLog output before this point: if step 3 (detail page) showed no Set-Cookie headers, the jar may be empty; verify the detail-page GET succeeded.","Verify p.getBaseURL() returns a valid URL; cookie extraction scoped to a bad domain can fail or return nothing.","As a workaround, use the Set-Cookie headers already captured in cookieMap during steps 1–3 instead of jar export, then update the plugin properly."],"exampleFix":"// before\nrequire cloudscraper v1.2.3\n// after\npin the version the plugin was built against:\nrequire cloudscraper v1.1.2  // matches exportCookies' reflection layout","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"res, err := gyingLogin(ctx, creds)\nif err != nil {\n    if strings.Contains(err.Error(), \"导出cookie失败\") {\n        // auth succeeded but cookie export failed: pin cloudscraper version,\n        // or fall back to Set-Cookie headers captured during the login steps\n        log.Printf(\"cookie export failed: %v\", err)\n        return fallbackToCapturedSetCookies(headers)\n    }\n    return err\n}","preventionTips":["Pin the cloudscraper version — reflection-based cookie access breaks on upgrades.","Verify detail-page Set-Cookie headers appear in DebugLog during login.","Ensure getBaseURL() returns the correct scheme/host for cookie-domain scoping.","Keep a fallback path using collected Set-Cookie headers from earlier steps."],"tags":["cookies","cloudscraper","reflection","login"],"backgroundTag":"cookie-export-failed","analyzedSha":"beaa56133755a548ebc51b090b3816e2ae044aa6","analyzedAt":"2026-09-07T00:31:18.025Z","contentChangedAt":"2026-09-07T00:31:18.025Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}