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From: "Liang Xie (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-11433) Fix the new findbugs warning from
 NetUtils&ActiveStandbyElector
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     [ https://issues.apache.org/jira/browse/HADOOP-11433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liang Xie updated HADOOP-11433:
-------------------------------
    Attachment: HADOOP-11433-001.txt

> Fix the new findbugs warning from NetUtils&ActiveStandbyElector
> ---------------------------------------------------------------
>
>                 Key: HADOOP-11433
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11433
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ha, net
>    Affects Versions: 2.7.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>            Priority: Minor
>         Attachments: HADOOP-11433-001.txt
>
>
> see https://builds.apache.org/job/PreCommit-HADOOP-Build/5309//artifact/patchprocess/newPatchFindbugsWarningshadoop-common.html :
> {code}
> Correctness Warnings
> Code	Warning
> RV	Return value of java.util.concurrent.CountDownLatch.await(long, TimeUnit) ignored in org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.process(WatchedEvent)
> Multithreaded correctness Warnings
> Code	Warning
> AT	Sequence of calls to java.util.concurrent.ConcurrentHashMap may not be atomic in org.apache.hadoop.net.NetUtils.canonicalizeHost(String)
> Bug type AT_OPERATION_SEQUENCE_ON_CONCURRENT_ABSTRACTION (click for details) 
> In class org.apache.hadoop.net.NetUtils
> In method org.apache.hadoop.net.NetUtils.canonicalizeHost(String)
> Type java.util.concurrent.ConcurrentHashMap
> Called method java.util.concurrent.ConcurrentHashMap.put(Object, Object)
> At NetUtils.java:[line 291]
> {code}



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