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https://issues.apache.org/jira/browse/HBASE-19794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333309#comment-16333309
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stack commented on HBASE-19794:
-------------------------------
.001 Duo patch w/ some cleanup of TableNamespaceManager and shortened wait on
TableNamespaceManager to come up.
We're not 'fixing' the root issue here. These are workarounds. See HBASE-19834
for what has to happen to make this work properly; i.e. make it so we never
block the Master main thread so it is available to process cluster shutdown,
etc., and is never blocked retrying client ops against regions that will never
show up.
> TestZooKeeper hangs
> -------------------
>
> Key: HBASE-19794
> URL: https://issues.apache.org/jira/browse/HBASE-19794
> Project: HBase
> Issue Type: Bug
> Reporter: Duo Zhang
> Assignee: stack
> Priority: Critical
> Fix For: 2.0.0-beta-2
>
> Attachments: HBASE-19794.master.001.patch,
> org.apache.hadoop.hbase.TestZooKeeper-output.txt
>
>
> Seems like the TestZKAsyncRegistry that hangs in shutdown.
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