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https://issues.apache.org/jira/browse/YARN-2527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128038#comment-14128038
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Zhijie Shen commented on YARN-2527:
-----------------------------------
[~benoyantony], I'va added you as a YARN contributor, and assign this Jira to
you.
W.R.T the NPE, did you have a chance to see why NPE will happen? For each
submitted app, its acls seem to be added into ApplicationACLsManager.
ContainerLaunchContext#getApplicationACLs should return a empty acls map, if
user doesn't specify anything, right?
> NPE in ApplicationACLsManager
> -----------------------------
>
> Key: YARN-2527
> URL: https://issues.apache.org/jira/browse/YARN-2527
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.5.0
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: YARN-2527.patch
>
>
> NPE in _ApplicationACLsManager_ can result in 500 Internal Server Error.
> The relevant stacktrace snippet from the ResourceManager logs is as below
> {code}
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.security.ApplicationACLsManager.checkAccess(ApplicationACLsManager.java:104)
> at
> org.apache.hadoop.yarn.server.resourcemanager.webapp.AppBlock.render(AppBlock.java:101)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:66)
> at
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:76)
> at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
> {code}
> This issue was reported by [~miguenther].
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