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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11433) Fix the new findbugs warning from NetUtils&ActiveStandbyElector
Date Tue, 28 Mar 2017 23:32:41 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15946207#comment-15946207
] 

Hadoop QA commented on HADOOP-11433:
------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue}  0m  2s{color} | {color:blue}
The patch file was not named according to hadoop's naming conventions. Please see https://wiki.apache.org/hadoop/HowToContribute
for instructions. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  4s{color} | {color:red}
HADOOP-11433 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-11433 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12688264/HADOOP-11433-001.txt
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/11987/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> 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
>              Labels: BB2015-05-TBR
>         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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