本文整理了Java中org.apache.hadoop.yarn.client.util.YarnClientUtils.getRmPrincipal()方法的一些代码示例，展示了YarnClientUtils.getRmPrincipal()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。YarnClientUtils.getRmPrincipal()方法的具体详情如下：
包路径：org.apache.hadoop.yarn.client.util.YarnClientUtils
类名称：YarnClientUtils
方法名：getRmPrincipal

YarnClientUtils.getRmPrincipal介绍

[英]Perform the _HOST replacement in the principal, Returning the result. Correctly handles HA resource manager configurations.
[中]在主体中执行_HOST替换，并返回结果。正确处理HA资源管理器配置。

代码示例

代码示例来源：origin: org.apache.hadoop/hadoop-yarn-client

/**
 * Look up and return the resource manager's principal. This method
 * automatically does the <code>_HOST</code> replacement in the principal and
 * correctly handles HA resource manager configurations.
 *
 * @param conf the {@link Configuration} file from which to read the
 * principal
 * @return the resource manager's principal string or null if the
 * {@link YarnConfiguration#RM_PRINCIPAL} property is not set in the
 * {@code conf} parameter
 * @throws IOException thrown if there's an error replacing the host name
 */
public static String getRmPrincipal(Configuration conf) throws IOException {
 String principal = conf.get(YarnConfiguration.RM_PRINCIPAL);
 String prepared = null;
 if (principal != null) {
  prepared = getRmPrincipal(principal, conf);
 }
 return prepared;
}

代码示例来源：origin: linkedin/TonY

String tokenRenewer = YarnClientUtils.getRmPrincipal(yarnConf);
if (tokenRenewer == null) {
 throw new RuntimeException("Failed to get RM principal.");

代码示例来源：origin: org.apache.hadoop/hadoop-yarn-applications-distributedshell

String tokenRenewer = YarnClientUtils.getRmPrincipal(conf);
if (tokenRenewer == null || tokenRenewer.length() == 0) {
 throw new IOException(