{"record":{"id":"43b010b817abd3e3","repo":"Zackriya-Solutions/meetily","slug":"failed-to-get-stdin","errorCode":null,"errorMessage":"Failed to get stdin","messagePattern":"Failed to get stdin","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/summary/summary_engine/sidecar.rs","lineNumber":313,"sourceCode":"        command\n            .stdin(Stdio::piped())\n            .stdout(Stdio::piped())\n            .stderr(Stdio::inherit()) // Log stderr to main process\n            .env(\"LLAMA_IDLE_TIMEOUT\", self.idle_timeout_secs.to_string());\n\n        #[cfg(target_os = \"windows\")]\n        {\n            const CREATE_NO_WINDOW: u32 = 0x08000000;\n            const BELOW_NORMAL_PRIORITY_CLASS: u32 = 0x00004000;\n\n            command.creation_flags(CREATE_NO_WINDOW | BELOW_NORMAL_PRIORITY_CLASS);\n        }\n\n        let mut child = command\n            .spawn()\n            .with_context(|| format!(\"Failed to spawn llama-helper at {:?}\", self.helper_binary_path))?;\n\n        let stdin = child.stdin.take().ok_or_else(|| anyhow!(\"Failed to get stdin\"))?;\n        let stdout = child.stdout.take().ok_or_else(|| anyhow!(\"Failed to get stdout\"))?;\n\n        // Store handles\n        {\n            let mut child_lock = self.child_process.lock().await;\n            *child_lock = Some(child);\n        }\n\n        {\n            let mut stdin_lock = self.stdin_writer.lock().await;\n            *stdin_lock = Some(stdin);\n        }\n\n        {\n            let mut stdout_lock = self.stdout_reader.lock().await;\n            *stdout_lock = Some(BufReader::new(stdout));\n        }\n","sourceCodeStart":295,"sourceCodeEnd":331,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/0281737d87d26352fb0adc78c8c0975f691b23d1/frontend/src-tauri/src/summary/summary_engine/sidecar.rs#L295-L331","documentation":"After spawning the sidecar, the code takes the child's stdin pipe; take() returns None only when the child was not spawned with Stdio::piped() for stdin. The current spawn path explicitly sets .stdin(Stdio::piped()), so this is an invariant check that should be unreachable unless the spawn configuration is broken.","triggerScenarios":"A regression or fork that removes .stdin(Stdio::piped()) from the Command builder in spawn(); otherwise not reproducible at runtime because the piped stdio is always requested.","commonSituations":"Refactoring of the spawn() method; custom builds that change Stdio wiring for logging redirection.","solutions":["Confirm the Command builder sets .stdin(Stdio::piped()).stdout(Stdio::piped()) before .spawn()","If seen at runtime with stock code, capture the tokio version in use and report it - the piped handle should always be present"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"let stdin = match child.stdin.take() {\n    Some(s) => s,\n    None => return Err(anyhow!(\"spawn misconfigured: stdin must be Stdio::piped() (bug in spawn setup\"))),\n};","preventionTips":["Keep .stdin(Stdio::piped()).stdout(Stdio::piped()) adjacent to .spawn() so refactors cannot drop them","Add a unit test asserting the Command builder configures piped stdio before spawn"],"tags":["sidecar","process","stdio","invariant"],"backgroundTag":"process-io-setup-failed","analyzedSha":"0281737d87d26352fb0adc78c8c0975f691b23d1","analyzedAt":"2026-08-16T20:57:52.567Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}