{"record":{"id":"f8e54006420d6eec","repo":"Tencent/WeKnora","slug":"failed-to-get-file-url-w","errorCode":null,"errorMessage":"failed to get file URL: %w","messagePattern":"failed to get file URL: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/application/service/knowledge_faq_import.go","lineNumber":292,"sourceCode":"\t\tif entry.IsDisabled {\n\t\t\tisDisabled = \"true\"\n\t\t}\n\n\t\tbuf.WriteString(fmt.Sprintf(\"%s,%s,%s,%s,%s,%s,%s,%s\\n\",\n\t\t\treason, tagName, standardQ, similarQs, negativeQs, answers, answerAll, isDisabled))\n\t}\n\n\t// 上传 CSV 文件到临时存储（会自动过期）\n\tfileName := fmt.Sprintf(\"faq_dryrun_failed_%s.csv\", taskID)\n\tfilePath, err := s.fileSvc.SaveBytes(ctx, []byte(buf.String()), tenantID, fileName, true)\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to save CSV file: %w\", err)\n\t}\n\n\t// 获取下载 URL\n\tfileURL, err := s.fileSvc.GetFileURL(ctx, filePath)\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"failed to get file URL: %w\", err)\n\t}\n\n\tlogger.Infof(ctx, \"Generated failed entries CSV: %s, entries: %d\", fileURL, len(failedEntries))\n\treturn fileURL, nil\n}\n\n// csvEscape 转义 CSV 字段\nfunc csvEscape(s string) string {\n\tif strings.ContainsAny(s, \",\\\"\\n\\r\") {\n\t\t// 将内部引号替换为两个引号，并用引号包裹整个字段\n\t\treturn \"\\\"\" + strings.ReplaceAll(s, \"\\\"\", \"\\\"\\\"\") + \"\\\"\"\n\t}\n\treturn s\n}\n\n// saveFAQImportResultToDatabase 保存FAQ导入结果统计到数据库\nfunc (s *knowledgeService) saveFAQImportResultToDatabase(ctx context.Context,\n\tpayload *types.FAQImportPayload, progress *types.FAQImportProgress, originalTotalEntries int,","sourceCodeStart":274,"sourceCodeEnd":310,"githubUrl":"https://github.com/Tencent/WeKnora/blob/988cbb03305e055d8ebb7d46d9ac6cc0803cd074/internal/application/service/knowledge_faq_import.go#L274-L310","documentation":"Thrown inside generateFailedEntriesCSV when fileSvc.GetFileURL fails to mint a download URL for the just-uploaded failed-entries CSV. The file exists but is unreachable via presigned URL; typically a signing/endpoint configuration problem in the file service.","triggerScenarios":"Thrown at internal/application/service/knowledge_faq_import.go:292 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify storage endpoint / presign configuration for the temp bucket","Check credentials and clock skew affecting signature validity","Retry; the CSV object itself was already saved and can be re-URLed"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"988cbb03305e055d8ebb7d46d9ac6cc0803cd074","analyzedAt":"2026-09-02T14:41:08.344Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}