From 6f553dafff90c18edeb02a4740724240ec58279f Mon Sep 17 00:00:00 2001
From: Rajan Dhabalia <rdhabalia@apache.org>
Date: Sun, 18 Aug 2019 14:10:59 -0700
Subject: [PATCH] Fix: NPE while cleaning up namespace node (#4965)

(cherry picked from commit 41bc407e1642aec3805d0f077694edd835b3ea1c)
---
 .../org/apache/pulsar/broker/namespace/ServiceUnitZkUtils.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/ServiceUnitZkUtils.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/ServiceUnitZkUtils.java
index a925857890f..2967236e1f7 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/ServiceUnitZkUtils.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/namespace/ServiceUnitZkUtils.java
@@ -153,7 +153,7 @@ public final class ServiceUnitZkUtils {
         String brokerUrl = null;
         try {
             byte[] data = zkc.getData(path, false, null);
-            if (data.length == 0) {
+            if (data == null || data.length == 0) {
                 // skip, ephemeral node will not have zero byte
                 return;
             }
-- 
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