(paimon) branch master updated: [hive] Fix malformed error message for unknown client pool cache key (#8639)

[lzljs3620320]

This is an automated email from the ASF dual-hosted git repository.

JingsongLi pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/paimon.git


The following commit(s) were added to refs/heads/master by this push:
     new 4584230dba [hive] Fix malformed error message for unknown client pool 
cache key (#8639)
4584230dba is described below

commit 4584230dbab48419c95fb56025e772c56afeecb4
Author: Eunbin Son <58901024+thswls...@users.noreply.github.com>
AuthorDate: Thu Jul 16 14:28:01 2026 +0900

    [hive] Fix malformed error message for unknown client pool cache key (#8639)
---
 .../java/org/apache/paimon/hive/pool/CachedClientPool.java  |  2 +-
 .../org/apache/paimon/hive/pool/TestCachedClientPool.java   | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git 
a/paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/hive/pool/CachedClientPool.java
 
b/paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/hive/pool/CachedClientPool.java
index 93a1005973..ff981532f4 100644
--- 
a/paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/hive/pool/CachedClientPool.java
+++ 
b/paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/hive/pool/CachedClientPool.java
@@ -176,7 +176,7 @@ public class CachedClientPool implements 
ClientPool<IMetaStoreClient, TException
                         types.add(type);
                         break;
                     default:
-                        throw new RuntimeException("Unknown key element %s" + 
trimmed);
+                        throw new RuntimeException("Unknown key element " + 
trimmed);
                 }
             }
         }
diff --git 
a/paimon-hive/paimon-hive-catalog/src/test/java/org/apache/paimon/hive/pool/TestCachedClientPool.java
 
b/paimon-hive/paimon-hive-catalog/src/test/java/org/apache/paimon/hive/pool/TestCachedClientPool.java
index 596ccf5c19..0b14565382 100644
--- 
a/paimon-hive/paimon-hive-catalog/src/test/java/org/apache/paimon/hive/pool/TestCachedClientPool.java
+++ 
b/paimon-hive/paimon-hive-catalog/src/test/java/org/apache/paimon/hive/pool/TestCachedClientPool.java
@@ -42,10 +42,23 @@ import java.util.UUID;
 
 import static 
org.apache.hadoop.hive.conf.HiveConf.ConfVars.METASTORECONNECTURLKEY;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 /** Tests for {@link CachedClientPool}. */
 public class TestCachedClientPool {
 
+    @Test
+    public void testExtractKeyUnknownElementErrorMessage() {
+        assertThatThrownBy(
+                        () ->
+                                CachedClientPool.extractKey(
+                                        HiveMetaStoreClient.class.getName(),
+                                        "conf",
+                                        new Configuration()))
+                .isInstanceOf(RuntimeException.class)
+                .hasMessage("Unknown key element conf");
+    }
+
     @Test
     public void testCacheKeyNotSame() {
         // client1 use cache key type:paimon