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https://issues.apache.org/jira/browse/HBASE-19752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16324810#comment-16324810
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Hudson commented on HBASE-19752:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #4390 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/4390/])
HBASE-19752 RSGroupBasedLoadBalancer#getMisplacedRegions() should handle
(tedyu: rev f0ba7922f3963276304aee1d354413bcf966e563)
* (edit)
hbase-rsgroup/src/test/java/org/apache/hadoop/hbase/master/balancer/TestRSGroupBasedLoadBalancer.java
* (edit)
hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java
> RSGroupBasedLoadBalancer#getMisplacedRegions() should handle the case where
> rs group cannot be determined
> ---------------------------------------------------------------------------------------------------------
>
> Key: HBASE-19752
> URL: https://issues.apache.org/jira/browse/HBASE-19752
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 1.4.1, 1.5.0, 2.0.0-beta-1
>
> Attachments: 19752.v1.txt, 19752.v2.txt, 19752.v3.txt, 19752.v4.txt,
> 19752.v5.txt, 19752.v6.txt, 19752.v7.branch-1.txt, 19752.v7.txt
>
>
> Observed the following in rs group test output:
> {code}
> 2018-01-10 14:17:23,006 DEBUG [AssignmentThread]
> rsgroup.RSGroupBasedLoadBalancer(316): Found misplaced region:
> hbase:acl,,1515593841277.ecf47ecb7522d7fab40db0a237f973fd. on server:
> localhost,1,1 found in group: null outside of group: UNKNOWN
> {code}
> Here is corresponding code:
> {code}
> if (assignedServer != null &&
> (info == null ||
> !info.containsServer(assignedServer.getAddress()))) {
> RSGroupInfo otherInfo = null;
> otherInfo =
> rsGroupInfoManager.getRSGroupOfServer(assignedServer.getAddress());
> LOG.debug("Found misplaced region: " +
> regionInfo.getRegionNameAsString() +
> {code}
> As you can see, both info and otherInfo were null.
> In this case, the region should not be placed in misplacedRegions.
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