From 5066be6df34415bf538f8b36006f37af94772405 Mon Sep 17 00:00:00 2001
From: Qi Chen <kaka11.chen@gmail.com>
Date: Tue, 6 Aug 2024 15:34:32 +0800
Subject: [PATCH] [fix](multicatalog) fix hadoop authenticator not inited for
 existing hms catalog. (#38930)

Backport #38475.

Co-authored-by: Yulei-Yang <yulei.yang0699@gmail.com>
---
 .../org/apache/doris/datasource/hive/HMSExternalCatalog.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalCatalog.java b/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalCatalog.java
index a22eacaf1e..be9bf388ad 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalCatalog.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalCatalog.java
@@ -138,6 +138,11 @@ public class HMSExternalCatalog extends ExternalCatalog {
 
     @Override
     protected void initLocalObjectsImpl() {
+        if (authenticator == null) {
+            AuthenticationConfig config = AuthenticationConfig.getKerberosConfig(getConfiguration());
+            authenticator = HadoopAuthenticator.getHadoopAuthenticator(config);
+        }
+
         HiveConf hiveConf = null;
         JdbcClientConfig jdbcClientConfig = null;
         String hiveMetastoreType = catalogProperty.getOrDefault(HMSProperties.HIVE_METASTORE_TYPE, "");