{"record":{"id":"2baaba4e7959925a","repo":"fish2018/pansou","slug":"error-2baaba","errorCode":null,"errorMessage":"请求失败","messagePattern":"请求失败","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"plugin/zlxapp/zlxapp.go","lineNumber":170,"sourceCode":"\t\t\t\ttimer.Stop()\n\t\t\t\treturn nil, req.Context().Err()\n\t\t\t}\n\t\t}\n\n\t\tresp, err := client.Do(req.Clone(req.Context()))\n\t\tif err != nil {\n\t\t\tlastErr = err\n\t\t\tcontinue\n\t\t}\n\t\tif resp.StatusCode == http.StatusOK {\n\t\t\treturn resp, nil\n\t\t}\n\n\t\tlastErr = fmt.Errorf(\"HTTP %d\", resp.StatusCode)\n\t\tresp.Body.Close()\n\t}\n\tif lastErr == nil {\n\t\tlastErr = fmt.Errorf(\"请求失败\")\n\t}\n\treturn nil, lastErr\n}\n\nfunc parseListItems(body []byte) ([]searchItem, error) {\n\tmarkerIndex := bytes.Index(body, listItemsMarker)\n\tif markerIndex < 0 {\n\t\treturn nil, fmt.Errorf(\"未找到 listItemsData\")\n\t}\n\n\tarrayStart := markerIndex + len(listItemsMarker)\n\tfor arrayStart < len(body) && body[arrayStart] != '[' {\n\t\tarrayStart++\n\t}\n\tif arrayStart >= len(body) {\n\t\treturn nil, fmt.Errorf(\"listItemsData 缺少数组\")\n\t}\n","sourceCodeStart":152,"sourceCodeEnd":188,"githubUrl":"https://github.com/fish2018/pansou/blob/beaa56133755a548ebc51b090b3816e2ae044aa6/plugin/zlxapp/zlxapp.go#L152-L188","documentation":"Defensive fallback in zlxapp doRequestWithRetry: lastErr is still nil after the loop, which can only happen with zero retries configured (maxRetries <= 0). In normal operation the loop always sets lastErr; this generic sentinel prevents returning a nil error with a nil response.","triggerScenarios":"Thrown at plugin/zlxapp/zlxapp.go:170 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Guard maxRetries >= 1 at the call site","Treat as a configuration bug: fix the retry count"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"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"}