hadoop patch

ERROR org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: ReplicationMonitor thread received Runtime exception.
java.lang.ArrayIndexOutOfBoundsException
        at org.apache.hadoop.hdfs.server.namenode.INode.getFullPathName(INode.java:650)
        at org.apache.hadoop.hdfs.server.namenode.INodeFile.getName(INodeFile.java:525)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationWork.chooseTargets(BlockManager.java:3972)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationWork.access$300(BlockManager.java:3937)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWorkForBlocks(BlockManager.java:1496)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWork(BlockManager.java:1402)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeDatanodeWork(BlockManager.java:3908)
        at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3779)

Fixed: HDFS-12832