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Posted to commits@hbase.apache.org by ns...@apache.org on 2011/10/11 19:44:31 UTC

svn commit: r1181963 - /hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java

Author: nspiegelberg
Date: Tue Oct 11 17:44:31 2011
New Revision: 1181963

URL: http://svn.apache.org/viewvc?rev=1181963&view=rev
Log:
fix null pointer exception

Test Plan:
mvn package
mvn test (running)

Reviewers: kannan, kranganathan

Reviewed By: kannan

CC: kannan

Differential Revision: 316203

Modified:
    hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java

Modified: hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java?rev=1181963&r1=1181962&r2=1181963&view=diff
==============================================================================
--- hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java (original)
+++ hbase/branches/0.89/src/main/java/org/apache/hadoop/hbase/master/RegionManager.java Tue Oct 11 17:44:31 2011
@@ -601,10 +601,11 @@ public class RegionManager {
           }
         }
         if (assignmentByLocality && !i.isRootRegion() && !i.isMetaRegion()) {
-          String preferredHost =
-            this.master.getPreferredRegionToRegionServerMapping().get(new Text(name)).toString();
+          Text preferredHostNameTxt =
+            (Text)this.master.getPreferredRegionToRegionServerMapping().get(new Text(name));
 
-          if (preferredHost != null) {
+          if (preferredHostNameTxt != null) {
+            String preferredHost = preferredHostNameTxt.toString();
             if (hostName.startsWith(preferredHost)) {
               LOG.debug("Doing Preferred Region Assignment for : " + name +
                   " to the " + hostName);