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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-891) Streaming tests fail with NPE in MiniDFSCluster
Date Wed, 19 Aug 2009 17:43:14 GMT
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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