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Siqi Li commented on MAPREDUCE-6405: ------------------------------------ Looks like the problem stems from the fact that AttemptsPage extends TaskPage, and the ability of killing attempt is designed for TaskPage only. > NullPointerException in App Attempts page > ----------------------------------------- > > Key: MAPREDUCE-6405 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-6405 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 2.8.0 > Reporter: Siqi Li > Assignee: Siqi Li > Attachments: MAPREDUCE-6405.v1.patch > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)