Tsz Wo (Nicholas), SZE created HDFS-4204:
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Summary: TestNNThroughputBenchmark fails in branch-1
Key: HDFS-4204
URL: https://issues.apache.org/jira/browse/HDFS-4204
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Tsz Wo (Nicholas), SZE
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java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(String.java:686)
at org.apache.hadoop.net.NetUtils.normalizeHostName(NetUtils.java:539)
at org.apache.hadoop.net.NetUtils.normalizeHostNames(NetUtils.java:562)
at
org.apache.hadoop.net.CachedDNSToSwitchMapping.resolve(CachedDNSToSwitchMapping.java:88)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1047)
...
at
org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark$StatsDaemon.run(NNThroughputBenchmark.java:377)
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