{"record":{"id":"f1cdae3ed2809f41","repo":"astrid-runtime/astrid","slug":"detached-fuse-service-exited-before-readiness","errorCode":null,"errorMessage":"detached FUSE service exited before readiness","messagePattern":"detached FUSE service exited before readiness","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/astrid-storage-provider-fuse/src/main.rs","lineNumber":701,"sourceCode":"        .context(\"FUSE service stdin is unavailable\")?;\n    let bytes = serde_json::to_vec(launch)?;\n    stdin.write_all(&bytes).await?;\n    stdin.write_all(b\"\\n\").await?;\n    drop(stdin);\n    let stdout = child\n        .stdout\n        .take()\n        .context(\"FUSE service stdout is unavailable\")?;\n    let mut line = String::new();\n    let reader = tokio::io::BufReader::new(stdout);\n    let read = tokio::time::timeout(SERVICE_STARTUP_TIMEOUT, async {\n        let mut limited = reader.take(64 * 1024 + 1);\n        limited.read_line(&mut line).await\n    })\n    .await\n    .context(\"timed out waiting for the FUSE service\")??;\n    if read == 0 {\n        bail!(\"detached FUSE service exited before readiness\");\n    }\n    if line.len() > 64 * 1024 {\n        bail!(\"detached FUSE service exceeded the startup response size\");\n    }\n    match serde_json::from_str(&line)? {\n        ServiceStartup::Ready {\n            mount_id,\n            pid,\n            access,\n        } => {\n            if !control_path.exists() {\n                bail!(\"detached FUSE service did not retain its control endpoint\");\n            }\n            if pid == 0 {\n                bail!(\"detached FUSE service returned an invalid process identity\");\n            }\n            Ok(ControlReady {\n                mount_id,","sourceCodeStart":683,"sourceCodeEnd":719,"githubUrl":"https://github.com/astrid-runtime/astrid/blob/affd8760f44190dbdfbec23403f4c4b642c33112/crates/astrid-storage-provider-fuse/src/main.rs#L683-L719","documentation":"Handshake guard in service startup: the detached FUSE service exited before sending its readiness line on stdout (within SERVICE_STARTUP_TIMEOUT), so the launch never completed; stderr is captured as context when available.","triggerScenarios":"Thrown at crates/astrid-storage-provider-fuse/src/main.rs:701 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Inspect the stderr snippet in the error for the early-exit reason","Verify the launch payload schema and provider binary are compatible","Retry the mount once the environment (fusermount, mountpoint) is fixed"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"affd8760f44190dbdfbec23403f4c4b642c33112","analyzedAt":"2026-09-09T21:28:12.402Z","contentChangedAt":"2026-09-09T21:28:12.402Z","schemaVersion":2},"datasetVersion":"2026-09-17T15:17:12.973Z"}