From 3823ac1ee533f8b0f28344c4a128a8d9ff03d344 Mon Sep 17 00:00:00 2001
From: Peter Lawrey <peter.lawrey@higherfrequencytrading.com>
Date: Thu, 15 Oct 2020 16:49:27 +0100
Subject: [PATCH] Avoid NPE in close

---
 .../net/openhft/chronicle/hash/impl/VanillaChronicleHash.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/net/openhft/chronicle/hash/impl/VanillaChronicleHash.java b/src/main/java/net/openhft/chronicle/hash/impl/VanillaChronicleHash.java
index dc52c45c9..14ef6aec0 100755
--- a/src/main/java/net/openhft/chronicle/hash/impl/VanillaChronicleHash.java
+++ b/src/main/java/net/openhft/chronicle/hash/impl/VanillaChronicleHash.java
@@ -681,7 +681,7 @@ public abstract class VanillaChronicleHash<K,
 
     @Override
     public final void close() {
-        if (resources.releaseManually()) {
+        if (resources != null && resources.releaseManually()) {
             cleanupOnClose();
         }
     }