juicedata/juicefs · error

user(%s):group(%s) not found

Error message

user(%s):group(%s) not found

What it means

Returned by filestore.Chown when either the owner or group name cannot be resolved to a local uid/gid (lookup returned -1). The chown cannot proceed because the target identity does not exist on this machine.

Source

Thrown at pkg/object/file.go:397

}

func (d *filestore) Chmod(key string, mode os.FileMode) error {
	p, err := d.path(key)
	if err != nil {
		return err
	}
	return os.Chmod(p, mode)
}

func (d *filestore) Chown(key string, owner, group string) error {
	p, err := d.path(key)
	if err != nil {
		return err
	}
	uid := utils.LookupUser(owner)
	gid := utils.LookupGroup(group)
	if uid == -1 || gid == -1 {
		return fmt.Errorf("user(%s):group(%s) not found", owner, group)
	}
	return os.Lchown(p, uid, gid)
}

func newDisk(root, accesskey, secretkey, token string) (ObjectStorage, error) {
	// For Windows, the path looks like /C:/a/b/c/
	if runtime.GOOS == "windows" {
		root = strings.TrimPrefix(root, "/")
	}
	return &filestore{root: root}, nil
}

func init() {
	Register("file", newDisk)
}

View on GitHub (pinned to c9a67b23e8)

Solutions

1. Create the user/group locally or use names that exist on the host running juicefs

When it happens

Trigger: Thrown at pkg/object/file.go:397 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/5a59717d94108c92. Report an issue: GitHub.