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https://issues.apache.org/jira/browse/HBASE-29380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-29380.
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Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to all active branches.
Thanks [~ndimiduk] and [~nihaljain.cs] for reviewing!
> Two concurrent remove peer requests may hang
> --------------------------------------------
>
> Key: HBASE-29380
> URL: https://issues.apache.org/jira/browse/HBASE-29380
> Project: HBase
> Issue Type: Bug
> Components: proc-v2, Replication
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.3, 2.5.12
>
>
> TestAsyncReplicationAdminApi fails about 75% on flaky dashboard.
> Tried locally, sometimes testRemovePeerTableCFs may hang.
> The situation here is that, at the end of this test method, we will call
> admin.removeReplicationPeer(ID_ONE);
> The admin here is an AsyncAdmin, so it will return immediately, and then in
> the Junit's AFter methods, we will call
> admin.removeReplicationPeer(ID_ONE).join();
> Sometimes, if the first request runs first, the remove peer procedure for the
> second one will not wake up so we hang there forever.
> Need to dig more.
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