{"record":{"id":"46a9ec78f8db0946","repo":"openai/codex","slug":"code-mode-ipc-frame-length-exceeds-u32","errorCode":null,"errorMessage":"code-mode IPC frame length exceeds u32","messagePattern":"code-mode IPC frame length exceeds u32","errorType":"exception","errorClass":"std::io::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/code-mode-protocol/src/host/codec.rs","lineNumber":160,"sourceCode":"where\n    W: AsyncWrite + Unpin,\n{\n    pub fn new(writer: W) -> Self {\n        Self { writer }\n    }\n\n    /// Writes and flushes one complete frame.\n    pub async fn write<T>(&mut self, message: &T) -> io::Result<()>\n    where\n        T: Serialize,\n    {\n        self.write_frame(&EncodedFrame::encode(message)?).await\n    }\n\n    /// Writes and flushes a frame encoded before it entered an I/O queue.\n    pub async fn write_frame(&mut self, frame: &EncodedFrame) -> io::Result<()> {\n        let length = u32::try_from(frame.payload.len()).map_err(|_| {\n            io::Error::new(\n                io::ErrorKind::InvalidData,\n                \"code-mode IPC frame length exceeds u32\",\n            )\n        })?;\n\n        self.writer.write_all(&length.to_le_bytes()).await?;\n        self.writer.write_all(&frame.payload).await?;\n        self.writer.flush().await\n    }\n}\n","sourceCodeStart":142,"sourceCodeEnd":171,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/code-mode-protocol/src/host/codec.rs#L142-L171","documentation":"Error \"code-mode IPC frame length exceeds u32\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/code-mode-protocol/src/host/codec.rs:160 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}