From c63e2b93247818899b61786bd4912b379032abc7 Mon Sep 17 00:00:00 2001
From: Raju Balpande <146973984+raju-balpande@users.noreply.github.com>
Date: Fri, 12 Apr 2024 17:55:27 +0530
Subject: [PATCH] HDDS-10132.
 TestStorageContainerManager.testScmProcessDatanodeHeartbeat fails with Java
 17 (#6516)

---
 .../hadoop/hdds/scm/TestStorageContainerManager.java       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestStorageContainerManager.java b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestStorageContainerManager.java
index 474a1869485..95d7faa9174 100644
--- a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestStorageContainerManager.java
+++ b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestStorageContainerManager.java
@@ -167,6 +167,7 @@
  */
 @Timeout(900)
 public class TestStorageContainerManager {
+  private static final String LOCALHOST_IP = "127.0.0.1";
   private static XceiverClientManager xceiverClientManager;
   private static final Logger LOG = LoggerFactory.getLogger(
       TestStorageContainerManager.class);
@@ -693,11 +694,15 @@ public void testScmInfo(@TempDir Path tempDir) throws Exception {
    */
   @Test
   public void testScmProcessDatanodeHeartbeat() throws Exception {
+    String rackName = "/rack1";
     OzoneConfiguration conf = new OzoneConfiguration();
     conf.setClass(NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
         StaticMapping.class, DNSToSwitchMapping.class);
     StaticMapping.addNodeToRack(NetUtils.normalizeHostName(HddsUtils.getHostName(conf)),
-        "/rack1");
+        rackName);
+    // In case of JDK17, the IP address is resolved to localhost mapped to 127.0.0.1 which is not in sync with JDK8
+    // and hence need to make following entry under HDDS-10132
+    StaticMapping.addNodeToRack(LOCALHOST_IP, rackName);
 
     final int datanodeNum = 3;