slfan1989 commented on code in PR #5169:
URL: https://github.com/apache/hadoop/pull/5169#discussion_r1038739768


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/security/RouterDelegationTokenSecretManager.java:
##########
@@ -157,6 +184,29 @@ public void updateStoredToken(RMDelegationTokenIdentifier 
id, long renewDate) th
     }
   }
 
+  /**
+   * The Router Supports Update Token.
+   *
+   * @param identifier RMDelegationToken.
+   * @param tokenInfo DelegationTokenInformation.
+   */
+  public void updateStoredToken(RMDelegationTokenIdentifier identifier,
+      DelegationTokenInformation tokenInfo) {
+    try {
+      byte[] tokenInfoBytes =
+          
RouterDelegationTokenSupport.encodeDelegationTokenInformation(tokenInfo);
+      long renewDate = tokenInfo.getRenewDate();
+      String token = Base64.getUrlEncoder().encodeToString(tokenInfoBytes);

Review Comment:
   Thanks for your suggestion, I will modify this part of the code.



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