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https://issues.apache.org/jira/browse/HDFS-17138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17753866#comment-17753866
 ] 

ASF GitHub Bot commented on HDFS-17138:
---------------------------------------

zhangxiping1 commented on code in PR #5921:
URL: https://github.com/apache/hadoop/pull/5921#discussion_r1292904295


##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenSecretManager.java:
##########
@@ -81,7 +81,12 @@ class AbstractDelegationTokenSecretManager<TokenIdent
       = DelegationTokenSecretManagerMetrics.create();
 
   private String formatTokenId(TokenIdent id) {
-    return "(" + id + ")";
+    try {
+      return "(" + id + ")";
+    } catch (Exception e) {
+      LOG.warn("Exception in formatTokenId", e);

Review Comment:
   I'm sorry I reply late, here will generate java. lang. 
IllegalArgumentException





> RBF: We changed the hadoop.security.auth_to_local configuration of one 
> router, the other routers stopped working
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-17138
>                 URL: https://issues.apache.org/jira/browse/HDFS-17138
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: hadoop 3.3.0
>            Reporter: Xiping Zhang
>            Assignee: Xiping Zhang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2023-08-02-16-20-34-454.png, 
> image-2023-08-03-10-32-03-457.png
>
>
> other routers  error log:
> !image-2023-08-02-16-20-34-454.png!



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