[jira] [Commented] (YARN-5373) NPE listing wildcard directory in containerLaunch

["Haibo Chen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378287#comment-15378287 ] 

Haibo Chen commented on YARN-5373:
----------------------------------

Created a separate jira to fix this issue for Windows, as I don't have an access to a window OS.

> NPE listing wildcard directory in containerLaunch
> -------------------------------------------------
>
>                 Key: YARN-5373
>                 URL: https://issues.apache.org/jira/browse/YARN-5373
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.9.0
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>            Priority: Blocker
>
> YARN-4958 added support for wildcards in file localization. It introduces a NPE 
> at 
> {code:java}
> for (File wildLink : directory.listFiles()) {
>     sb.symlink(new Path(wildLink.toString()), new Path(wildLink.getName()));
> }
> {code}
> When directory.listFiles returns null (only happens in a secure cluster), NPE will cause the container fail to launch.



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