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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-9495) Fix findbugs warnings in hadoop-yarn-server-resourcemanager module
Date Sat, 20 Apr 2019 13:53:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-9495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16822443#comment-16822443
] 

Weiwei Yang commented on YARN-9495:
-----------------------------------

Thanks [~Tao Yang] for the quick fix. +1, committing shortly.

> Fix findbugs warnings in hadoop-yarn-server-resourcemanager module
> ------------------------------------------------------------------
>
>                 Key: YARN-9495
>                 URL: https://issues.apache.org/jira/browse/YARN-9495
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Tao Yang
>            Assignee: Tao Yang
>            Priority: Minor
>         Attachments: YARN-9495.001.patch, YARN-9495.002.patch, image-2019-04-17-18-22-40-624.png,
screenshot-1.png
>
>
> Recently there are 2 extant Findbugs warnings in hadoop-yarn-server-resourcemanager module
according to the jenkins report of YARN-9439/YARN-9440 as follow:
>  !image-2019-04-17-18-22-40-624.png! 
> They seems not expect null input for com.google.common.util.concurrent.SettableFuture#set
even through they are indeed declared as Nullable, perhaps since findbugs can support javax.annotation.Nullable
but not org.checkerframework.checker.nullness.qual.Nullable. 
> I think we should exclude these two warnings through adding them into hadoop-yarn/dev-support/findbugs-exclude.xml.



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