From f9ad4621dac2a40724fb501d932abf647e064ea3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20D=C4=99bowczyk?=
 <dominik.debowczyk@justeattakeaway.com>
Date: Tue, 24 Mar 2026 16:02:17 +0100
Subject: [PATCH] [FLINK-39316][runtime] Fix BlobServer address resolution
 failing with VPN networking

---
 .../java/org/apache/flink/runtime/blob/BlobServer.java     | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java b/flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java
index 9523fa2575583..f17d869b5039c 100644
--- a/flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java
+++ b/flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java
@@ -54,7 +54,6 @@
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
-import java.net.UnknownHostException;
 import java.security.MessageDigest;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -1376,11 +1375,7 @@ public int getPort() {
     public InetAddress getAddress() {
         InetAddress bindAddr = serverSocket.getInetAddress();
         if (bindAddr.getHostAddress().equals(NetUtils.getWildcardIPAddress())) {
-            try {
-                return InetAddress.getLocalHost();
-            } catch (UnknownHostException e) {
-                throw new RuntimeException(e);
-            }
+            return InetAddress.getLoopbackAddress();
         }
         return bindAddr;
     }