svn commit: r1333587 - /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java

[umamahesh]

Author: umamahesh
Date: Thu May  3 19:05:38 2012
New Revision: 1333587

URL: http://svn.apache.org/viewvc?rev=1333587&view=rev
Log:
HDFS-3332. NullPointerException in DN when directoryscanner is trying to report 
bad blocks. Contributed by  Amith D K.

Modified:
    
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java

Modified: 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java?rev=1333587&r1=1333586&r2=1333587&view=diff
==============================================================================
--- 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
 (original)
+++ 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
 Thu May  3 19:05:38 2012
@@ -235,6 +235,9 @@ class BPServiceActor implements Runnable
   }
 
   void reportBadBlocks(ExtendedBlock block) {
+    if (bpRegistration == null) {
+      return;
+    }
     DatanodeInfo[] dnArr = { new DatanodeInfo(bpRegistration) };
     LocatedBlock[] blocks = { new LocatedBlock(block, dnArr) };