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https://issues.apache.org/jira/browse/HDFS-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13003222#comment-13003222
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Greg Poirier commented on HDFS-442:
-----------------------------------
This can be fixed by modifying
src/test/org/apache/hadoop/hdfs/BenchmarkThroughput.java:198
From:
198 String localDir = conf.get("mapred.temp.dir");
199 dir = new LocalDirAllocator("mapred.temp.dir");
To:
198 String localDir = conf.get("hadoop.tmp.dir");
199 dir = new LocalDirAllocator("hadoop.tmp.dir");
It looks as though this has been removed from subversion trunk though... but it
still exists in 0.20.2/3, which I'm running currently.
> dfsthroughput in test.jar throws NPE
> ------------------------------------
>
> Key: HDFS-442
> URL: https://issues.apache.org/jira/browse/HDFS-442
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 0.20.1
> Reporter: Ramya R
> Priority: Minor
>
> On running hadoop jar hadoop-test.jar dfsthroughput OR hadoop
> org.apache.hadoop.hdfs.BenchmarkThroughput, we get NullPointerException.
> Below is the stacktrace:
> {noformat}
> Exception in thread "main" java.lang.NullPointerException
> at java.util.Hashtable.put(Hashtable.java:394)
> at java.util.Properties.setProperty(Properties.java:143)
> at java.lang.System.setProperty(System.java:731)
> at
> org.apache.hadoop.hdfs.BenchmarkThroughput.run(BenchmarkThroughput.java:198)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at
> org.apache.hadoop.hdfs.BenchmarkThroughput.main(BenchmarkThroughput.java:229)
> {noformat}
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