code: public void release(String pathInZooKeeper) throws Exception {
  		final String path = normalizePath(pathInZooKeeper);
  
  		try {
  			client.delete().forPath(getLockPath(path));
  		} catch (KeeperException.NoNodeException ignored) {
  			// we have never locked this node
  		} catch (Exception e) {
  			throw new Exception("Could not release the lock: " + getLockPath(pathInZooKeeper) + '.', e);
  		}
  	}
docs: Releases the lock from the node under the given ZooKeeper path. If no lock exists, then nothing happens.
  
  @param pathInZooKeeper Path describing the ZooKeeper node
  @throws Exception if the delete operation of the lock node fails