*/
public void clearACL(Node node) throws RepositoryException {
AccessControlManager ac = node.getSession().getAccessControlManager();
String pPath = node.getPath();
for (AccessControlPolicy p: ac.getPolicies(pPath)) {
ac.removePolicy(pPath, p);
}
if (isRootNode(node)) {
for (AccessControlPolicy p: ac.getPolicies(null)) {
ac.removePolicy(null, p);
}