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https://issues.apache.org/jira/browse/YARN-7924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira Ajisaka updated YARN-7924:
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Description: The use of {{Collections.EMPTY_SET}} and
{{Collections.EMPTY_MAP}} often causes unchecked assignment and it should be
replaced with {{Collections.emptySet()}} and {{Collections.emptyMap()}}.
(was: There is a warning in NMContainerStatus.java when compiling the source
code and it can be fixed easily.
{noformat}
[WARNING]
/home/centos/git/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java:
/home/centos/git/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/NMContainerStatus.java
uses unchecked or unsafe operations.{noformat})
> Replace Collections.EMPTY_SET and EMPTY_MAP with emptySet() and emptyMap()
> when available
> -----------------------------------------------------------------------------------------
>
> Key: YARN-7924
> URL: https://issues.apache.org/jira/browse/YARN-7924
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Akira Ajisaka
> Priority: Minor
>
> The use of {{Collections.EMPTY_SET}} and {{Collections.EMPTY_MAP}} often
> causes unchecked assignment and it should be replaced with
> {{Collections.emptySet()}} and {{Collections.emptyMap()}}.
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