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https://issues.apache.org/jira/browse/MAPREDUCE-891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod K V resolved MAPREDUCE-891.
---------------------------------
Resolution: Duplicate
Duplicate of MAPREDUCE-699
> Streaming tests fail with NPE in MiniDFSCluster
> -----------------------------------------------
>
> Key: MAPREDUCE-891
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-891
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming, test
> Reporter: Arun C Murthy
> Fix For: 0.21.0
>
>
> Streaming testcases' usage of MiniDFSCluster.startDatanodes causes NPE in
> GenericOptionsParser:
> {noformat}
> java.lang.NullPointerException
> at org.apache.commons.cli.GnuParser.flatten(GnuParser.java:110)
> at org.apache.commons.cli.Parser.parse(Parser.java:143)
> at
> org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:374)
> at
> org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:153)
> at
> org.apache.hadoop.util.GenericOptionsParser.<init>(GenericOptionsParser.java:138)
> at
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1314)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:414)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:278)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:119)
> at
> org.apache.hadoop.streaming.TestDumpTypedBytes.testDumping(TestDumpTypedBytes.java:40)
> {noformat}
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