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Posted to common-dev@hadoop.apache.org by "Bo Wang (JIRA)" <ji...@apache.org> on 2012/08/31 02:33:07 UTC
[jira] [Resolved] (HADOOP-8750) Configuration.getClasses never
returns default value
[ https://issues.apache.org/jira/browse/HADOOP-8750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bo Wang resolved HADOOP-8750.
-----------------------------
Resolution: Duplicate
Duplicated with HADOOP-7851
> Configuration.getClasses never returns default value
> ----------------------------------------------------
>
> Key: HADOOP-8750
> URL: https://issues.apache.org/jira/browse/HADOOP-8750
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Bo Wang
> Assignee: Bo Wang
>
> getClasses method in Configuration never returns defaultValue even if the classnames is not set in Configuration.
> This is because the condition "if (classnames == null)" is always True. If name is not set in Configuration, classnames will be an empty array (but not null).
> To fix it, just change the condition to "if (classnames == null || classnames.length == 0)"
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