oven-sh/bun · error

Unexpected error while reloading process

Error message

Unexpected error while reloading process

What it means

Error "Unexpected error while reloading process " thrown in oven-sh/bun.

Source

Thrown at src/bun_core/util.rs:4440

            safe fn TerminateProcess(h: *mut core::ffi::c_void, code: u32) -> i32;
        }
        // = 3224497970. Parent
        // watcher-manager compares the child's exit code against exactly this.
        const WATCHER_RELOAD_EXIT: u32 = 0xC031_EF32;
        let rc = TerminateProcess(GetCurrentProcess(), WATCHER_RELOAD_EXIT);
        if rc == 0 {
            let err = GetLastError();
            if may_return {
                crate::output::err_generic("Failed to reload process: {}", (err,));
                return;
            }
            panic!("Error while reloading process: {}", err);
        } else {
            if may_return {
                crate::output::err_generic("Failed to reload process", ());
                return;
            }
            panic!("Unexpected error while reloading process\n");
        }
    }

    #[cfg(unix)]
    // SAFETY: FFI calls receive only locally-built NUL-terminated argv/envp arrays; on success
    // `execve` never returns, on failure errno is read. No borrowed Rust state observed after.
    unsafe {
        {
            unsafe extern "C" {
                safe fn on_before_reload_process_posix();
            }
            on_before_reload_process_posix();
        }

        // We clone argv so that the memory address isn't the same as the libc one.
        let args = argv_storage();
        let dupe_argv: Vec<ZBox> = args
            .iter()

View on GitHub (pinned to 8c5296ac45)

When it happens

Trigger: Thrown at src/bun_core/util.rs:4440 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of oven-sh/bun@8c5296ac45 (2026-08-16). Data as JSON: /api/errors/81ac9c82d10fb29d. Report an issue: GitHub.