juicedata/juicefs · error

find executable: %s

Error message

find executable: %s

What it means

Returned by launchMount when os.Executable fails to locate the path of the running juicefs binary. The FUSE fd mounting flow needs to re-exec itself, so without the executable path the launch cannot continue.

Source

Thrown at cmd/mount_unix.go:998

	if os.Getenv("JFS_INSIDE_CONTAINER") != "1" {
		utils.AdjustOOMKiller(-1000)
	}
	utils.SetIOFlusher()

	if c.Bool("disable-transparent-hugepage") {
		utils.DisableTHP()
	}

	if canShutdownGracefully(mp, conf) {
		shutdownGraceful(mp)
	}
	os.Setenv("_FUSE_FD_COMM", serverAddress)
	serveFuseFD(serverAddress)
	defer os.Remove(serverAddress)

	path, err := os.Executable()
	if err != nil {
		return fmt.Errorf("find executable: %s", err)
	}
	start := time.Now()
	for attempt := 0; ; attempt++ {
		if attempt == 3 && time.Since(start) < time.Second*10 {
			return fmt.Errorf("fail 3 times in %s, give up", time.Since(start))
		}
		// For volcengine VKE serverless container, no umount before mount when
		// `JFS_NO_UMOUNT` environment provided
		noUmount := os.Getenv("JFS_NO_UMOUNT")
		if fuseFd == 0 && (attempt > 0 || noUmount == "0") {
			_ = doUmount(mp, true)
		}
		if runtime.GOOS == "linux" {
			if !utils.Exists(serverAddress) {
				serveFuseFD(serverAddress)
			}
		}

View on GitHub (pinned to c9a67b23e8)

Solutions

1. Run juicefs via its real file path (not through a deleted/replaced binary or odd procfs environment)
2. Reinstall/replace the binary if its path became invalid

When it happens

Trigger: Thrown at cmd/mount_unix.go:998 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of juicedata/juicefs@c9a67b23e8 (2026-09-06). Data as JSON: /api/errors/c0ddf4d23c48e9b7. Report an issue: GitHub.