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https://issues.apache.org/jira/browse/HBASE-20737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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taiyinglee reopened HBASE-20737:
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> put collection into ArrayList instead of addAll function
> --------------------------------------------------------
>
> Key: HBASE-20737
> URL: https://issues.apache.org/jira/browse/HBASE-20737
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: taiyinglee
> Assignee: taiyinglee
> Priority: Trivial
> Fix For: 3.0.0, 2.1.0
>
> Attachments: HBASE-20737.v0.patch, HBASE-20737.v0.patch
>
>
> [https://docs.oracle.com/javase/7/docs/api/java/util/Collection.html]
> [https://docs.oracle.com/javase/7/docs/api/java/util/ArrayList.html]
> [https://docs.oracle.com/javase/7/docs/api/java/util/Set.html]
>
> /hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ClusterStatusPublisher.java
> change
> List<Map.Entry<ServerName, Integer>> entries = new ArrayList<>();
> entries.addAll(lastSent.entrySet());
> to
> List<Map.Entry<ServerName, Integer>> entries = new
> ArrayList<>(lastSent.entrySet());
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