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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1613) NPE running NNThroughputBenchmark
Date Mon, 07 Feb 2011 19:30:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991530#comment-12991530
] 

Konstantin Shvachko commented on HDFS-1613:
-------------------------------------------

What options do you run it with?

> NPE running NNThroughputBenchmark
> ---------------------------------
>
>                 Key: HDFS-1613
>                 URL: https://issues.apache.org/jira/browse/HDFS-1613
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Todd Lipcon
>
> 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)

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