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The following commit(s) were added to refs/heads/dev by this push:
     new 8cd7aec07c [Improvement-18267][Remote Logging] Allow custom S3 region 
with endpoint (#18268)
8cd7aec07c is described below

commit 8cd7aec07cc63657866c3e6929be237b56eb9937
Author: Molin Wang <[email protected]>
AuthorDate: Tue May 26 11:30:42 2026 +0800

    [Improvement-18267][Remote Logging] Allow custom S3 region with endpoint 
(#18268)
    
    Co-authored-by: xiangzihao <[email protected]>
---
 .../authentication/aws/AmazonS3ClientFactory.java  | 10 +++-
 .../aws/AmazonS3ClientFactoryTest.java             | 70 ++++++++++++++++++++++
 2 files changed, 78 insertions(+), 2 deletions(-)

diff --git 
a/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/main/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactory.java
 
b/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/main/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactory.java
index c45e4de9ea..338eb515e4 100644
--- 
a/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/main/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactory.java
+++ 
b/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/main/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactory.java
@@ -17,6 +17,8 @@
 
 package org.apache.dolphinscheduler.authentication.aws;
 
+import software.amazon.awssdk.utils.StringUtils;
+
 import java.util.Map;
 
 import lombok.experimental.UtilityClass;
@@ -32,17 +34,21 @@ public class AmazonS3ClientFactory {
 
     public AmazonS3 createAmazonS3Client(Map<String, String> awsProperties) {
         AWSCredentialsProvider awsCredentialsProvider = 
AWSCredentialsProviderFactor.credentialsProvider(awsProperties);
-        Regions regions = 
Regions.fromName(awsProperties.get(AwsConfigurationKeys.AWS_REGION));
+        String region = awsProperties.get(AwsConfigurationKeys.AWS_REGION);
         String endpoint = awsProperties.get(AwsConfigurationKeys.AWS_ENDPOINT);
 
         if (endpoint != null && !endpoint.isEmpty()) {
+            if (StringUtils.isEmpty(region)) {
+                throw new IllegalArgumentException("The aws.s3.region cannot 
be empty");
+            }
             return AmazonS3ClientBuilder
                     .standard()
                     .withPathStyleAccessEnabled(true)
-                    .withEndpointConfiguration(new 
AwsClientBuilder.EndpointConfiguration(endpoint, regions.getName()))
+                    .withEndpointConfiguration(new 
AwsClientBuilder.EndpointConfiguration(endpoint, region))
                     .withCredentials(awsCredentialsProvider)
                     .build();
         } else {
+            Regions regions = Regions.fromName(region);
             return AmazonS3ClientBuilder
                     .standard()
                     .withCredentials(awsCredentialsProvider)
diff --git 
a/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/test/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactoryTest.java
 
b/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/test/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactoryTest.java
new file mode 100644
index 0000000000..58f6ec4c0c
--- /dev/null
+++ 
b/dolphinscheduler-authentication/dolphinscheduler-aws-authentication/src/test/java/org/apache/dolphinscheduler/authentication/aws/AmazonS3ClientFactoryTest.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.dolphinscheduler.authentication.aws;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import com.amazonaws.services.s3.AmazonS3;
+
+class AmazonS3ClientFactoryTest {
+
+    @Test
+    void createAmazonS3ClientShouldAllowCustomRegionWhenEndpointConfigured() {
+        Map<String, String> awsProperties = 
createAwsProperties("internal-region", "http://127.0.0.1:9000";);
+
+        AmazonS3 amazonS3 = assertDoesNotThrow(() -> 
AmazonS3ClientFactory.createAmazonS3Client(awsProperties));
+
+        amazonS3.shutdown();
+    }
+
+    @Test
+    void createAmazonS3ClientShouldValidateRegionWhenEndpointNotConfigured() {
+        Map<String, String> awsProperties = 
createAwsProperties("internal-region", "");
+
+        assertThrows(IllegalArgumentException.class, () -> 
AmazonS3ClientFactory.createAmazonS3Client(awsProperties));
+    }
+
+    @Test
+    void createAmazonS3ClientShouldRejectEmptyRegionWhenEndpointConfigured() {
+        assertInvalidRegionWithEndpoint(null);
+        assertInvalidRegionWithEndpoint("");
+    }
+
+    private void assertInvalidRegionWithEndpoint(String region) {
+        Map<String, String> awsProperties = createAwsProperties(region, 
"http://127.0.0.1:9000";);
+
+        assertThrows(IllegalArgumentException.class, () -> 
AmazonS3ClientFactory.createAmazonS3Client(awsProperties));
+    }
+
+    private Map<String, String> createAwsProperties(String region, String 
endpoint) {
+        Map<String, String> awsProperties = new HashMap<>();
+        awsProperties.put(AwsConfigurationKeys.AWS_AUTHENTICATION_TYPE,
+                
AWSCredentialsProviderType.STATIC_CREDENTIALS_PROVIDER.getName());
+        awsProperties.put(AwsConfigurationKeys.AWS_ACCESS_KEY_ID, 
"access-key");
+        awsProperties.put(AwsConfigurationKeys.AWS_SECRET, "secret-key");
+        awsProperties.put(AwsConfigurationKeys.AWS_REGION, region);
+        awsProperties.put(AwsConfigurationKeys.AWS_ENDPOINT, endpoint);
+        return awsProperties;
+    }
+}

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