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via hadoop-hdfs-issues by Uma Maheswara Rao G (JIRA), 1 year ago
java.lang.NullPointerException: 	at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getFullPathName(FSDirectory.java:1871)	at org.apache.hadoop.hdfs.server.namenode.INode.getFullPathName(INode.java:482)	at org.apache.hadoop.hdfs.server.namenode.INodeFile.getName(INodeFile.java:316)	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy.chooseTarget(BlockPlacementPolicy.java:118)	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWorkForBlocks(BlockManager.java:1259)	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWork(BlockManager.java:1167)	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeDatanodeWork(BlockManager.java:3158)	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3112)	at java.lang.Thread.run(Thread.java:724)