[HDFS-1613] NPE running NNThroughputBenchmark

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Todd Lipcon
• Created: 07/Feb/11 19:18
• Updated: 29/Jan/16 22:23
• Resolved: 29/Jan/16 22:23

Description

After the NNThroughputBenchmark completes, I see the following NPEs on the console:

java.lang.NullPointerException
at org.apache.hadoop.hdfs.server.namenode.BlocksMap.size(BlocksMap.java:178)
at org.apache.hadoop.hdfs.server.namenode.BlockManager.getTotalBlocks(BlockManager.java:1538)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:4201)
at org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics.doUpdates(FSNamesystemMetrics.java:109)