public void keeperException(KeeperException ke) throws KeeperException {
    LOG.error(prefix("Received unexpected KeeperException, re-throwing exception"), ke);
    throw ke;
  }
Handles KeeperExceptions in client calls.
<p>
This may be temporary but for now this gives one place to deal with these.
<p>
TODO: Currently this method rethrows the exception to let the caller handle
<p>
@param ke the exception to rethrow
@throws KeeperException if a ZooKeeper operation fails
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKWatcher.java