openai/codex · error · io::Error

BrokenPipe

BrokenPipe

Error message

exec-server transport closed

What it means

Error "exec-server transport closed" thrown in openai/codex.

Source

Thrown at codex-rs/exec-server/src/remote_file_system.rs:428

fn remote_sandbox_context(
    sandbox: Option<&FileSystemSandboxContext>,
) -> Option<FileSystemSandboxContext> {
    sandbox
        .cloned()
        .map(FileSystemSandboxContext::drop_cwd_if_unused)
}

fn map_remote_error(error: ExecServerError) -> io::Error {
    match error {
        ExecServerError::Server { code, message } if code == NOT_FOUND_ERROR_CODE => {
            io::Error::new(io::ErrorKind::NotFound, message)
        }
        ExecServerError::Server { code, message } if code == INVALID_REQUEST_ERROR_CODE => {
            io::Error::new(io::ErrorKind::InvalidInput, message)
        }
        ExecServerError::Server { message, .. } => io::Error::other(message),
        ExecServerError::Closed | ExecServerError::Disconnected(_) => {
            io::Error::new(io::ErrorKind::BrokenPipe, "exec-server transport closed")
        }
        _ => io::Error::other(error.to_string()),
    }
}

#[cfg(all(test, any(unix, windows)))]
#[path = "remote_file_system_path_uri_tests.rs"]
mod path_uri_tests;

#[cfg(test)]
mod tests {
    use codex_protocol::models::PermissionProfile;
    use codex_protocol::permissions::FileSystemAccessMode;
    use codex_protocol::permissions::FileSystemPath;
    use codex_protocol::permissions::FileSystemSandboxEntry;
    use codex_protocol::permissions::FileSystemSandboxPolicy;
    use codex_protocol::permissions::FileSystemSpecialPath;
    use codex_protocol::permissions::NetworkSandboxPolicy;

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/exec-server/src/remote_file_system.rs:428 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/625da88fda59c368. Report an issue: GitHub.