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https://issues.apache.org/jira/browse/HBASE-12924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340445#comment-14340445
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Jonathan Lawlor commented on HBASE-12924:
-----------------------------------------
Looks like it ran into the flaky test TestAcidGuarantees, looks unrelated. We
can retry the QA build to be sure.
The checkstyle error is coming from an unused import in HRegionServer.java
(there also seem to be some ununsed imports inside TestMovedRegionsCleaner that
could be removed). The checkstyle also recommends we declare
MovedRegionsCleaner as a final class.
> HRegionServer#MovedRegionsCleaner Chore does not start
> ------------------------------------------------------
>
> Key: HBASE-12924
> URL: https://issues.apache.org/jira/browse/HBASE-12924
> Project: HBase
> Issue Type: Bug
> Reporter: Jonathan Lawlor
> Assignee: Sameet Agarwal
> Priority: Minor
> Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
> Attachments: first-task-v2.patch, first-task-v3.patch,
> first-task.patch
>
>
> This issue is very similar to the one described in HBASE-11354. The method
> createAndStart in MovedRegionsCleaner creates an instance of the chore but
> never starts the underlying thread:
> {code}
> static MovedRegionsCleaner createAndStart(HRegionServer rs){
> Stoppable stoppable = new Stoppable() {
> private volatile boolean isStopped = false;
> @Override public void stop(String why) { isStopped = true;}
> @Override public boolean isStopped() {return isStopped;}
> };
> return new MovedRegionsCleaner(rs, stoppable);
> }
> {code}
> Nobody has noticed this issue so far so the Chore may not be that important
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