dailai commented on code in PR #7734:
URL: https://github.com/apache/seatunnel/pull/7734#discussion_r1776210529


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seatunnel-connectors-v2/connector-iceberg/src/main/java/org/apache/seatunnel/connectors/seatunnel/iceberg/IcebergCatalogLoader.java:
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@@ -170,11 +169,10 @@ public static void doKerberosAuthentication(
                         "Start Kerberos authentication using principal {} and 
keytab {}",
                         principal,
                         keytabPath);
-                sun.security.krb5.Config.refresh();

Review Comment:
   If your application is running and you modify the krb5.conf file at the same 
time. LoginUserFromKeytabAndReturnUGI not reload the changes. It will only read 
and load the current Kerberos configuration when the application starts.



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