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https://issues.apache.org/jira/browse/YARN-5383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379816#comment-15379816
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Hudson commented on YARN-5383:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #10106 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10106/])
YARN-5383. Fix findbugs and checkstyle issues in ContainerExecutor.
(varunsaxena: rev a72cb3825a11830be9ad35ae7ddbf42a3d2892b0)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java
> Fix findbugs for nodemanager & checkstyle warnings in
> nodemanager.ContainerExecutor
> -----------------------------------------------------------------------------------
>
> Key: YARN-5383
> URL: https://issues.apache.org/jira/browse/YARN-5383
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.9.0
> Reporter: Vrushali C
> Assignee: Vrushali C
> Fix For: 2.9.0
>
> Attachments: YARN-5383.01.patch
>
>
> Nodemanager build shows a findbugs warning
> {code}
> Performance Warnings
> Code Warning
> WMI
> org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.writeLaunchEnv(OutputStream,
> Map, Map, List, Path, String) makes inefficient use of keySet iterator
> instead of entrySet iterator
> Bug type WMI_WRONG_MAP_ITERATOR (click for details)
> In class org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor
> In method
> org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.writeLaunchEnv(OutputStream,
> Map, Map, List, Path, String)
> At ContainerExecutor.java:[line 330]
> Details
> WMI_WRONG_MAP_ITERATOR: Inefficient use of keySet iterator instead of
> entrySet iterator
> This method accesses the value of a Map entry, using a key that was retrieved
> from a keySet iterator. It is more efficient to use an iterator on the
> entrySet of the map, to avoid the Map.get(key) lookup.
> {code}
> There are also several checkstyle errors in the same class
> org.apache.hadoop.yarn.server.nodemanager.ContainerExecutorContainerExecutor
> {code}
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[308]
> (indentation) Indentation: 'ContainerLaunch' have incorrect indentation
> level 6, expected level should be 8.
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[319:29]
> (whitespace) WhitespaceAfter: ',' is not followed by whitespace.
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[474:52]
> (coding) HiddenField: 'conf' hides a field.
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[497:52]
> (coding) HiddenField: 'conf' hides a field.
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[522:52]
> (coding) HiddenField: 'conf' hides a field.
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[529]
> (sizes) LineLength: Line is longer than 80 characters (found 81).
> [ERROR]
> src/main/java/org/apache/hadoop/yarn/server/nodemanager/ContainerExecutor.java[571:21]
> (coding) HiddenField: 'conf' hides a field.
> {code}
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