{"record":{"id":"2293aef236eaff9d","repo":"xai-org/grok-build","slug":"trace-upload-failed-for-session","errorCode":null,"errorMessage":"Trace upload failed for session {}","messagePattern":"Trace upload failed for session (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/codegen/xai-grok-pager/src/trace_cmd.rs","lineNumber":583,"sourceCode":"        if self.json {\n            let result = TraceResult {\n                session_id: self.session_id.to_owned(),\n                status: \"failed\",\n                url: None,\n                local_path: Some(export_path.display().to_string()),\n                error: Some(format!(\"{error}\")),\n            };\n            println!(\"{}\", serde_json::to_string(&result).unwrap_or_default());\n        } else {\n            eprintln!();\n            eprintln!(\"Trace upload failed: {error}\");\n            eprintln!(\"  Bundle: {}\", export_path.display());\n            eprintln!(\"  Log:    {}\", log_path.display());\n            eprintln!(\"  Retry:  grok trace {}\", self.session_id);\n            println!(\"{}\", export_path.display());\n        }\n\n        anyhow::anyhow!(\"Trace upload failed for session {}\", self.session_id)\n    }\n\n    fn write_debug_log(&self, error: &anyhow::Error, output_dir: &Path) -> PathBuf {\n        use std::fmt::Write;\n\n        let log_path = output_dir.join(format!(\"{}.upload.log\", self.session_id));\n        let mut log = String::new();\n        let _ = writeln!(log, \"Trace upload debug log\");\n        let _ = writeln!(log, \"======================\");\n        let _ = writeln!(log, \"Timestamp:    {}\", chrono::Utc::now().to_rfc3339());\n        let _ = writeln!(log, \"Grok version: {}\", xai_grok_version::full_version());\n        let _ = writeln!(\n            log,\n            \"OS:           {} {}\",\n            std::env::consts::OS,\n            std::env::consts::ARCH\n        );\n        let _ = writeln!(log, \"Session ID:   {}\", self.session_id);","sourceCodeStart":565,"sourceCodeEnd":601,"githubUrl":"https://github.com/xai-org/grok-build/blob/bc7f02eddd3d84085849dc19ed216f11c23b0571/crates/codegen/xai-grok-pager/src/trace_cmd.rs#L565-L601","documentation":"`TraceUpload::handle_failure` is the terminal error path of `grok trace upload`: after all retries are exhausted it exports a debug bundle, prints local bundle/log paths, and returns \"Trace upload failed for session {id}\". It means the session trace could not be uploaded to GCS, though a local export was produced for manual retry.","triggerScenarios":"`run_upload` -> upload attempt(s) fail (network down, GCS auth rejected, bucket permissions, timeouts on every retry), control flows to `handle_failure`, which always returns this anyhow error after writing the export bundle and `{session}.upload.log`.","commonSituations":"No network / VPN required for GCS; expired or missing service credentials (gcloud auth); bucket write permission revoked; proxy blocking uploads; outage at the storage backend.","solutions":["Follow the printed Retry hint: `grok trace <session-id>` once connectivity/auth is restored","Check the written `{session}.upload.log` in the output dir for the root-cause error","Verify GCS credentials (`gcloud auth login` / GOOGLE_APPLICATION_CREDENTIALS) and bucket permissions","Inspect the exported bundle at the printed Bundle path and attach it manually if upload is permanently blocked"],"exampleFix":"// after seeing the failure, use printed artifacts\n# Log:    /out/<session>.upload.log\n# Retry:  grok trace <session-id>\ngrok trace <session-id>","handlingStrategy":"fallback","validationCode":"// pre-flight: check network + credentials before upload\nlet reachable = std::net::TcpStream::connect(\"storage.googleapis.com:443\").is_ok();\nlet creds = std::env::var(\"GOOGLE_APPLICATION_CREDENTIALS\").is_ok();\nif !reachable || !creds { eprintln!(\"upload will fail: network={} creds={}\", reachable, creds); }","typeGuard":null,"tryCatchPattern":"match run_upload(session).await {\n    Err(e) if e.to_string().starts_with(\"Trace upload failed\") => {\n        // local bundle was exported; retry later or ship bundle manually\n        eprintln!(\"{e}; see printed Bundle/Log paths, retry with `grok trace <session-id>`\");\n    }\n    other => other?,\n}","preventionTips":["Keep the exported bundle path from the failure output — it enables manual recovery","Ensure GCS credentials and bucket permissions are valid before long trace sessions","Retry uploads on stable network; the command already retries with backoff internally"],"tags":["upload","gcs","network","tracing"],"backgroundTag":"trace-upload-failed","analyzedSha":"bc7f02eddd3d84085849dc19ed216f11c23b0571","analyzedAt":"2026-08-31T04:59:42.031Z","schemaVersion":2},"datasetVersion":"2026-08-31T09:17:48.483Z"}