{"record":{"id":"5f503bf5de0e86e4","repo":"BigPizzaV3/CodexPlusPlus","slug":"failed-to-query-cdp-browser-identity-on-loopback-a","errorCode":null,"errorMessage":"failed to query CDP browser identity on loopback addresses: {}","messagePattern":"failed to query CDP browser identity on loopback addresses: (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"crates/codex-plus-core/src/cdp.rs","lineNumber":178,"sourceCode":"                .send()\n                .await\n                .context(\"failed to query CDP browser identity\")?\n                .error_for_status()\n                .context(\"CDP browser identity query failed\")?\n                .json::<CdpBrowserIdentity>()\n                .await\n                .context(\"failed to deserialize CDP browser identity\")?;\n            validate_cdp_websocket_url(&identity.web_socket_debugger_url, debug_port)?;\n            identity.browser_id()?;\n            anyhow::Ok(identity)\n        }\n        .await;\n        match result {\n            Ok(identity) => return Ok(identity),\n            Err(error) => errors.push(format!(\"{url}: {error:#}\")),\n        }\n    }\n    bail!(\n        \"failed to query CDP browser identity on loopback addresses: {}\",\n        errors.join(\"; \")\n    )\n}\n\nasync fn query_targets_url(\n    client: &reqwest::Client,\n    url: &str,\n    debug_port: u16,\n) -> anyhow::Result<Vec<CdpTarget>> {\n    let response = client\n        .get(url)\n        .send()\n        .await\n        .context(\"failed to query CDP targets\")?\n        .error_for_status()\n        .context(\"CDP target query failed\")?;\n","sourceCodeStart":160,"sourceCodeEnd":196,"githubUrl":"https://github.com/BigPizzaV3/CodexPlusPlus/blob/f2074595a281bc057525c748175c8eb9805b0673/crates/codex-plus-core/src/cdp.rs#L160-L196","documentation":"Raised in browser_identity when querying the CDP /json/version browser identity failed on all loopback addresses; the aggregated message lists each attempt's error (HTTP failure, deserialization failure, or rejected WebSocket URL/port). Means the DevTools endpoint returned nothing usable for identity validation.","triggerScenarios":"Thrown at crates/codex-plus-core/src/cdp.rs:178 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify the browser exposes /json/version on the expected port","Check webSocketDebuggerUrl points at loopback and the same port","Retry after a browser restart; inspect the per-URL errors in the message"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"f2074595a281bc057525c748175c8eb9805b0673","analyzedAt":"2026-08-23T12:52:24.489Z","contentChangedAt":"2026-08-23T12:52:24.489Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}