{"record":{"id":"7dc555bf7a4369da","repo":"Hmbown/CodeWhale","slug":"ds4-v1-models-timed-out-after-15-seconds-at","errorCode":null,"errorMessage":"DS4 /v1/models timed out after 15 seconds at {}","messagePattern":"DS4 /v1/models timed out after 15 seconds at (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/tui/src/doctor.rs","lineNumber":580,"sourceCode":"\n/// Probe DS4 through its cheap `/v1/models` contract instead of waking the\n/// model for a completion. The selected model must be advertised.\npub(crate) async fn probe_ds4_models(config: &crate::config::Config) -> anyhow::Result<()> {\n    use crate::client::CodewhaleClient;\n    use crate::core::model_client::ModelClient;\n\n    let endpoint = crate::client::redact_url_for_display(&config.active_route_base_url());\n    let client = CodewhaleClient::new(config)?;\n    let configured_alias = client.model().to_string();\n    let models = match tokio::time::timeout(\n        std::time::Duration::from_secs(15),\n        client.list_models(),\n    )\n    .await\n    {\n        Ok(Ok(models)) => models,\n        Ok(Err(error)) => anyhow::bail!(ds4_probe_error(config, &error.to_string())),\n        Err(_) => anyhow::bail!(\"DS4 /v1/models timed out after 15 seconds at {}\", endpoint),\n    };\n    if !models\n        .iter()\n        .any(|available| available.id == configured_alias)\n    {\n        let advertised = models\n            .iter()\n            .take(8)\n            .map(|available| available.id.as_str())\n            .collect::<Vec<_>>()\n            .join(\", \");\n        anyhow::bail!(\n            \"DS4 /v1/models at {} did not list configured alias '{configured_alias}' (advertised: {})\",\n            endpoint,\n            if advertised.is_empty() {\n                \"none\"\n            } else {\n                advertised.as_str()","sourceCodeStart":562,"sourceCodeEnd":598,"githubUrl":"https://github.com/Hmbown/CodeWhale/blob/73e0f67d83c59909b571efdfc88c4bc28c309cb1/crates/tui/src/doctor.rs#L562-L598","documentation":"In `probe_ds4_models`, the `list_models` call is wrapped in a 15-second timeout via `tokio::time::timeout`. When the future does not complete in time (the `Err(_)` arm), the probe bails with a timeout message naming the endpoint. The endpoint answered too slowly or not at all.","triggerScenarios":"Doctor DS4 probe where `client.list_models()` takes longer than 15 seconds — hung connection, unresponsive server, or network black hole (packets dropped rather than refused).","commonSituations":"DS4 server overloaded or stuck; firewall silently dropping traffic to the endpoint; DNS resolving to an unreachable host; remote endpoint with very high latency.","solutions":["Confirm the endpoint is responsive with `curl --max-time 15 <endpoint>/v1/models` and restart the DS4 server if it hangs.","Check network/firewall rules between this machine and the DS4 endpoint.","Verify DNS resolves the endpoint host to the correct reachable address.","If the endpoint is genuinely slow, reduce load or move it closer; the 15-second probe budget is fixed."],"exampleFix":null,"handlingStrategy":"retry","validationCode":"curl -sS --max-time 15 \"$DS4_ENDPOINT/v1/models\" >/dev/null && echo reachable || echo unreachable","typeGuard":null,"tryCatchPattern":"for attempt in 0..3 {\n    match probe_ds4_models().await {\n        Err(e) if e.to_string().contains(\"timed out\") => tokio::time::sleep(Duration::from_secs(2u64.pow(attempt))).await,\n        other => { other?; break; }\n    }\n}","preventionTips":["Confirm network/firewall paths to the DS4 endpoint before automation runs.","Monitor DS4 server load; restart or scale when latency grows.","Avoid DNS black holes: verify the host resolves to a reachable address."],"tags":["ds4","timeout","network","doctor"],"backgroundTag":"request-timeout","analyzedSha":"73e0f67d83c59909b571efdfc88c4bc28c309cb1","analyzedAt":"2026-09-22T01:30:00.501Z","contentChangedAt":"2026-09-22T01:30:00.501Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}