{"record":{"id":"c4162795728c0958","repo":"xai-org/x-algorithm","slug":"metric-label-fetch-failed-after-retries-e","errorCode":null,"errorMessage":"{metric_label} fetch failed after retries: {e}","messagePattern":"(.+?) fetch failed after retries: (.+?)","errorType":"error_code","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"abuse-enforcement-service/service-lib/src/strato.rs","lineNumber":52,"sourceCode":"    let start = std::time::Instant::now();\n    let mut retries: u32 = 0;\n    let result = (|| async { strato.fetch(key.clone(), view.clone()).await })\n        .retry(strato_retry_strategy())\n        .notify(|err, dur| {\n            retries += 1;\n            warn!(\"{metric_label} fetch failed (retrying in {dur:?}): {err}\");\n        })\n        .await;\n    match result {\n        Ok(resp) => {\n            let parsed: entities::StratoResponse<T> = serde_json::from_value(resp)\n                .map_err(|e| anyhow::anyhow!(\"{metric_label} parse error: {e}\"))?;\n            record_strato_metrics(metric_label, \"ok\", start.elapsed(), retries);\n            Ok(parsed.v)\n        }\n        Err(e) => {\n            record_strato_metrics(metric_label, \"error\", start.elapsed(), retries);\n            Err(anyhow::anyhow!(\n                \"{metric_label} fetch failed after retries: {e}\"\n            ))\n        }\n    }\n}\n\n#[tracing::instrument(skip_all, fields(is_allowlisted))]\npub async fn fetch_user_allowlist(\n    allowlist: Option<&ManhattanAllowlist>,\n    user_id: i64,\n) -> AllowlistFacts {\n    let span = tracing::Span::current();\n    let Some(al) = allowlist else {\n        span.record(\"is_allowlisted\", false);\n        return AllowlistFacts::default();\n    };\n    match al.get(user_id).await {\n        Some(record) => {","sourceCodeStart":34,"sourceCodeEnd":70,"githubUrl":"https://github.com/xai-org/x-algorithm/blob/24c60942c5c5fdad3a6addffb4c6e6d2f228f04f/abuse-enforcement-service/service-lib/src/strato.rs#L34-L70","documentation":"This error is raised by strato_fetch in abuse-enforcement-service/service-lib/src/strato.rs after all retry attempts to fetch a Strato (configuration/feature) column have failed. The final underlying transport error e is wrapped with the metric label identifying which column was being fetched. Metrics are recorded with status 'error' before returning, so this failure is observable in the strato metrics.","triggerScenarios":"Calling fetch_hpr_column or fetch_uas, which delegate to strato_fetch; the Strato RPC/get call returns errors on every retry attempt (network failure, missing column/namespace, permission denial, or deserialization/transport error), exhausting the retry budget.","commonSituations":"Strato service unreachable from the deployment (network policy, service discovery issues), the referenced column path being deleted or renamed, auth tokens missing/expired, or timeouts under heavy load causing every retry to fail.","solutions":["Check the wrapped error {e} and strato metrics (label, status=error) to identify whether it's auth, timeout, or not-found","Verify the Strato column path/namespace exists and the service has read permissions","Inspect network/service-discovery connectivity to the Strato backend from the host","If transient, increase retry count or backoff; if permanent (missing column), fix or remove the fetch","Wrap callers with a fallback default so enforcement logic can proceed when the column is unavailable"],"exampleFix":"// before\nlet v = fetch_hpr_column(&client).await?;\n\n// after\nlet v = match fetch_hpr_column(&client).await {\n    Ok(v) => v,\n    Err(e) => {\n        tracing::warn!(\"hpr column unavailable, using default: {e}\");\n        default_hpr()\n    }\n};","handlingStrategy":"fallback","validationCode":"// Pre-check connectivity/health of the strato client before fetching\nif !strato_client.is_healthy().await {\n    return Ok(default_value());\n}","typeGuard":null,"tryCatchPattern":"// match on the error and degrade to a default rather than propagating\nlet v = match fetch_hpr_column(&client).await {\n    Ok(v) => v,\n    Err(e) if e.to_string().contains(\"fetch failed after retries\") => {\n        tracing::warn!(\"strato unavailable, using default: {e}\");\n        default_hpr()\n    }\n    Err(e) => return Err(e),\n};","preventionTips":["Monitor strato metrics (status=error rate) and alert before retries are exhausted","Keep retry/backoff budgets sized for observed p99 latency of the strato backend","Always define safe default values for enforcement-critical columns"],"tags":["rust","strato","retry-exhausted","config-fetch","anyhow"],"backgroundTag":"retry-limit-exceeded","analyzedSha":"24c60942c5c5fdad3a6addffb4c6e6d2f228f04f","analyzedAt":"2026-08-28T11:40:14.686Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}