{"record":{"id":"a67788826f24498b","repo":"openai/codex","slug":"invaliddata-a67788","errorCode":"InvalidData","errorMessage":"remote fs/readFile returned invalid base64 dataBase64: {err}","messagePattern":"remote fs/readFile returned invalid base64 dataBase64: (.+?)","errorType":"exception","errorClass":"io::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/exec-server/src/remote_file_system.rs","lineNumber":95,"sourceCode":"\n    async fn read_file(\n        &self,\n        path: &PathUri,\n        options: ReadFileOptions,\n        sandbox: Option<&FileSystemSandboxContext>,\n    ) -> FileSystemResult<Vec<u8>> {\n        trace!(\"remote fs read_file\");\n        let client = self.client.get().await.map_err(map_remote_error)?;\n        let response = client\n            .fs_read_file(FsReadFileParams {\n                path: path.clone(),\n                follow_symlinks: (!options.follow_symlinks).then_some(false),\n                sandbox: remote_sandbox_context(sandbox),\n            })\n            .await\n            .map_err(map_remote_error)?;\n        STANDARD.decode(response.data_base64).map_err(|err| {\n            io::Error::new(\n                io::ErrorKind::InvalidData,\n                format!(\"remote fs/readFile returned invalid base64 dataBase64: {err}\"),\n            )\n        })\n    }\n\n    async fn read_file_stream(\n        &self,\n        path: &PathUri,\n        sandbox: Option<&FileSystemSandboxContext>,\n    ) -> FileSystemResult<FileSystemReadStream> {\n        trace!(\"remote fs read_file_stream\");\n        let client = self.client.get().await.map_err(map_remote_error)?;\n        file_stream::open(client, path.clone(), remote_sandbox_context(sandbox)).await\n    }\n\n    async fn write_file(\n        &self,","sourceCodeStart":77,"sourceCodeEnd":113,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/exec-server/src/remote_file_system.rs#L77-L113","documentation":"Error \"remote fs/readFile returned invalid base64 dataBase64: {err}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/exec-server/src/remote_file_system.rs:95 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"}