From 706f138079026ff778855eb0a8020a1923af0666 Mon Sep 17 00:00:00 2001
From: Jason918 <jason.918@qq.com>
Date: Sat, 26 Jun 2021 03:25:59 +0800
Subject: [PATCH] fix #10781 Build failure because of spotbugs (#10792)

Fixes #10781

### Motivation

solving build failure case causing by spotbugs issue which is explained in #10781

### Modifications

Small modification: add a null check in BKStateStoreImpl.java:[line 175]

(cherry picked from commit 296ba767079d3e9a1687dfa409989dd83abff445)
---
 .../pulsar/functions/instance/state/BKStateStoreImpl.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/state/BKStateStoreImpl.java b/pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/state/BKStateStoreImpl.java
index 8714d2cad670e..1ffd8f74a8f6c 100644
--- a/pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/state/BKStateStoreImpl.java
+++ b/pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/state/BKStateStoreImpl.java
@@ -172,7 +172,9 @@ public CompletableFuture<ByteBuffer> getAsync(String key) {
                         }
                         return null;
                     } finally {
-                        ReferenceCountUtil.safeRelease(data);
+                        if (data != null) {
+                            ReferenceCountUtil.safeRelease(data);
+                        }
                     }
                 }
         );