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Posted to hdfs-dev@hadoop.apache.org by "Yongjun Zhang (JIRA)" <ji...@apache.org> on 2014/02/19 01:59:20 UTC
[jira] [Resolved] (HDFS-5965) caller of NetworkTopology's
chooseRandom method to be expect null return value
[ https://issues.apache.org/jira/browse/HDFS-5965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yongjun Zhang resolved HDFS-5965.
---------------------------------
Resolution: Duplicate
> caller of NetworkTopology's chooseRandom method to be expect null return value
> ------------------------------------------------------------------------------
>
> Key: HDFS-5965
> URL: https://issues.apache.org/jira/browse/HDFS-5965
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Yongjun Zhang
> Priority: Minor
>
> Class NetworkTopology's method
> public Node chooseRandom(String scope)
> calls
> private Node chooseRandom(String scope, String excludedScope)
> which may return null value.
> Caller of this method such as BlockPlacementPolicyDefault etc need to be aware that.
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