From 2eee1cc7e4db65e6b7ff1a1846d7d900316ebbae Mon Sep 17 00:00:00 2001
From: Duo Zhang <zhangduo@apache.org>
Date: Thu, 4 May 2023 20:59:40 +0800
Subject: [PATCH] HBASE-27824 NPE in MetricsMasterWrapperImpl.isRunning (#5218)

Signed-off-by: Liangjun He <heliangjun@apache.org>
(cherry picked from commit 78610decaa5b6b5eca8c770e0eb33f73f27b83a9)
---
 .../apache/hadoop/hbase/master/MockNoopMasterServices.java  | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
index 7d9f0cf47072..062e40aeeabf 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
@@ -64,13 +64,9 @@ public class MockNoopMasterServices implements MasterServices {
   private final Configuration conf;
   private final MetricsMaster metricsMaster;
 
-  public MockNoopMasterServices() {
-    this(null);
-  }
-
   public MockNoopMasterServices(final Configuration conf) {
     this.conf = conf;
-    this.metricsMaster = new MetricsMaster(new MetricsMasterWrapperImpl(null));
+    this.metricsMaster = new MetricsMaster(new MetricsMasterWrapperImpl(mock(HMaster.class)));
   }
 
   @Override