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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4169) jenkins trunk+java build failed in TestNodeStatusUpdaterForLabels
Date Mon, 28 Sep 2015 08:00:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14910138#comment-14910138

Steve Loughran commented on YARN-4169:

# If there is a way to query the state of the updater, then that is better to block on. If
there isn't a way to query it, then maybe a way to check the status should be provided (e.g
some AtomicBoolean).
# Even so, what we have here should be better than before? How about we start with this patch
(with some minor changes) and then see how well it works?

Two needed changes
# {{timeout=}} attribute in the @Test.
# lower-case "l" values in Long integers are considered dangerous; better to have {{50L}}
over {{50l}}, because the latter can look like 501 in some fonts. In {{Thread.sleep}} we can
just have {{50}} without worrying about the L value at all

> jenkins trunk+java build failed in TestNodeStatusUpdaterForLabels
> -----------------------------------------------------------------
>                 Key: YARN-4169
>                 URL: https://issues.apache.org/jira/browse/YARN-4169
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0
>         Environment: Jenkins
>            Reporter: Steve Loughran
>            Assignee: Naganarasimha G R
>            Priority: Critical
>         Attachments: YARN-4169.v1.001.patch, YARN-4169.v1.002.patch
> Test failing in [[Jenkins build 402|https://builds.apache.org/view/H-L/view/Hadoop/job/Hadoop-Yarn-trunk-Java8/402/testReport/junit/org.apache.hadoop.yarn.server.nodemanager/TestNodeStatusUpdaterForLabels/testNodeStatusUpdaterForNodeLabels/]
> {code}
> java.lang.NullPointerException: null
> 	at java.util.HashSet.<init>(HashSet.java:118)
> 	at org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.assertNLCollectionEquals(NodeLabelTestBase.java:103)
> 	at org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdaterForLabels.testNodeStatusUpdaterForNodeLabels(TestNodeStatusUpdaterForLabels.java:268)
> {code}

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