From ea3c445e2d73b2abcfb29f0e09c379551f86ee8f Mon Sep 17 00:00:00 2001
From: Michael Stack <stack@apache.org>
Date: Tue, 7 Dec 2010 01:18:00 +0000
Subject: [PATCH] Fix possible NPE in assign

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1042885 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/org/apache/hadoop/hbase/master/AssignmentManager.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java b/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
index 56e69073c89..c3fd667a141 100644
--- a/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
+++ b/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
@@ -956,7 +956,7 @@ public class AssignmentManager extends ZooKeeperListener {
     synchronized (this.regionPlans) {
       existingPlan = this.regionPlans.get(encodedName);
       if (existingPlan == null || forceNewPlan ||
-          existingPlan.getDestination().equals(serverToExclude)) {
+          (existingPlan != null && existingPlan.getDestination().equals(serverToExclude))) {
         newPlan = true;
         this.regionPlans.put(encodedName, randomPlan);
       }