private void ensurePath(CuratorFramework client, String path) {
		try {
			client.create().creatingParentsIfNeeded().forPath(path);
		}
		catch (Exception e) {
			//NodeExistsException -already created
			ZooKeeperUtils.wrapAndThrowIgnoring(e, KeeperException.NodeExistsException.class);
		}
	}
Ensure that the given path is created if it doesn't already
exist.

@param client  curator framework client
@param path    path to create
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/stream/zookeeper/RepositoryConnectionListener.java