Error in deleting blocks.
2014-08-24 22:15:21,714 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Error processing datanode Command java.io.IOException: Error in deleting blocks. at org.apache.hadoop.hdfs.server.datanode.FSDataset.invalidate(FSDataset.java:1967) at org.apache.hadoop.hdfs.server.datanode.DataNode.processCommand(DataNode.java:1181) at org.apache.hadoop.hdfs.server.datanode.DataNode.processCommand(DataNode.java:1143) at org.apache.hadoop.hdfs.server.datanode.DataNode.offerService(DataNode.java:980...