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Benoy Antony commented on YARN-2527: ------------------------------------ [~vinodkv], could you please review this jira ? Could you also make me a Yarn contributor so that I can assign the jira to me? > 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 > 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]. -- This message was sent by Atlassian JIRA (v6.3.4#6332)