From c4911d3230749947f107f2188b4da1615bb1fab1 Mon Sep 17 00:00:00 2001
From: Michael Stack <stack@apache.org>
Date: Thu, 4 Apr 2013 03:53:34 +0000
Subject: [PATCH] HBASE-8230 Possible NPE on regionserver abort if replication
 service has not been started

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464280 13f79535-47bb-0310-9956-ffa450edef68
---
 .../hadoop/hbase/replication/regionserver/Replication.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/Replication.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/Replication.java
index e31228c995c..71aa2c76ea8 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/Replication.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/Replication.java
@@ -154,7 +154,9 @@ public class Replication implements WALActionsListener,
   public void join() {
     if (this.replication) {
       this.replicationManager.join();
-      this.replicationSink.stopReplicationSinkServices();
+      if (this.replicationSink != null) {
+        this.replicationSink.stopReplicationSinkServices();
+      }
     }
   }