From d28f299807c4c6c96dd3dff000a9f9f98277b6cf Mon Sep 17 00:00:00 2001
From: Ashish Singhi <ashish.singhi@huawei.com>
Date: Mon, 15 Jun 2015 11:27:59 -0700
Subject: [PATCH] HBASE-13901 Error while calling watcher on creating and
 deleting an HBase table

Signed-off-by: Andrew Purtell <apurtell@apache.org>
---
 .../src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
index e71886a219e..6b2cadd68e9 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
@@ -660,7 +660,7 @@ public class ZKUtil {
       return node;
     }
     public boolean isEmpty() {
-      return (data.length == 0);
+      return (data == null || data.length == 0);
     }
   }