From d30fd8548946ec01f98ac0734dd7bdafde46fbf0 Mon Sep 17 00:00:00 2001
From: Jonathan Pearlin <jpearlin1@gmail.com>
Date: Wed, 19 Jun 2019 11:19:11 -0400
Subject: [PATCH] Avoid NPE potentially caused by race condition

---
 .../net/spy/memcached/protocol/TCPMemcachedNodeImpl.java     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/spy/memcached/protocol/TCPMemcachedNodeImpl.java b/src/main/java/net/spy/memcached/protocol/TCPMemcachedNodeImpl.java
index 52deeb04b..c9a80b3e9 100644
--- a/src/main/java/net/spy/memcached/protocol/TCPMemcachedNodeImpl.java
+++ b/src/main/java/net/spy/memcached/protocol/TCPMemcachedNodeImpl.java
@@ -485,8 +485,9 @@ public final int getReconnectCount() {
   @Override
   public final String toString() {
     int sops = 0;
-    if (getSk() != null && getSk().isValid()) {
-      sops = getSk().interestOps();
+    final SelectionKey sk = getSk();
+    if (sk != null && sk.isValid()) {
+      sops = sk.interestOps();
     }
     int rsize = readQ.size() + (optimizedOp == null ? 0 : 1);
     int wsize = writeQ.size();