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https://issues.apache.org/jira/browse/HBASE-19702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317756#comment-16317756
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Hudson commented on HBASE-19702:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #4367 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/4367/])
HBASE-19702 Improve RSGroupInfo constructors (chia7712: rev
ee4f0c506ad583578bd76e7919f2264d7485b48d)
* (edit)
hbase-common/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfo.java
> Improve RSGroupInfo constructors
> --------------------------------
>
> Key: HBASE-19702
> URL: https://issues.apache.org/jira/browse/HBASE-19702
> Project: HBase
> Issue Type: Improvement
> Reporter: Xiang Li
> Assignee: Xiang Li
> Priority: Minor
> Fix For: 2.0.0-beta-2
>
> Attachments: HBASE-19702.master.000.patch,
> HBASE-19702.master.001.patch
>
>
> {code:title=hbase-common/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfo.java|borderStyle=solid}
> RSGroupInfo(String name, SortedSet<Address> servers, SortedSet<TableName>
> tables) {
> this.name = name;
> this.servers = servers == null? new TreeSet<>(): servers;
> this.servers.addAll(servers);
> this.tables = new TreeSet<>(tables);
> }
> {code}
> 2 improvements could be made:
> * When servers is not null, addAll(servers) tries to add all items in servers
> again. Seems not needed
> * new TreeSet<>(tables) has no null check on tables. The constructor of
> TreeSet does not do the null check either. It leads to NullPointerException
> if tables is null
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