[jira] [Created] (HDFS-16772) refreshHostsReader should use the new configuration

["ZanderXu (Jira)" <ji...@apache.org>]

ZanderXu created HDFS-16772:
-------------------------------

             Summary: refreshHostsReader should use the new configuration
                 Key: HDFS-16772
                 URL: https://issues.apache.org/jira/browse/HDFS-16772
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: ZanderXu
            Assignee: ZanderXu


`refreshHostsReader` should use the latest configuration.

And the current code as bellow:
{code:java}
/** Reread include/exclude files. */
private void refreshHostsReader(Configuration conf) throws IOException {
  if (conf == null) {
    conf = new HdfsConfiguration();
    // BUG here
    this.hostConfigManager.setConf(conf);
  }
  this.hostConfigManager.refresh();
} {code}



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