From ff08f54f41bbcc207efbb7a243b50ececdf6dec2 Mon Sep 17 00:00:00 2001
From: Arpit Agarwal <arp@apache.org>
Date: Wed, 1 Mar 2017 12:59:02 -0800
Subject: [PATCH] HDFS-11479. Socket re-use address option should be used in
 SimpleUdpServer. Contributed by Mukul Kumar Singh.

---
 .../src/main/java/org/apache/hadoop/oncrpc/SimpleUdpServer.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/SimpleUdpServer.java b/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/SimpleUdpServer.java
index c9cb2b3dd1d..d691abad358 100644
--- a/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/SimpleUdpServer.java
+++ b/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/SimpleUdpServer.java
@@ -63,6 +63,7 @@ public void run() {
     server.setOption("broadcast", "false");
     server.setOption("sendBufferSize", SEND_BUFFER_SIZE);
     server.setOption("receiveBufferSize", RECEIVE_BUFFER_SIZE);
+    server.setOption("reuseAddress", true);
 
     // Listen to the UDP port
     ch = server.bind(new InetSocketAddress(port));