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https://issues.apache.org/jira/browse/HDFS-4204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao reassigned HDFS-4204:
-------------------------------
Assignee: Jing Zhao
> 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
> Assignee: Jing Zhao
> Priority: Minor
> Attachments: HDFS-4204.b1.001.patch, HDFS-4204.b1.002.patch
>
>
> {noformat}
> 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)
> {noformat}
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