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https://issues.apache.org/jira/browse/HBASE-9085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725938#comment-13725938
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gautam commented on HBASE-9085:
-------------------------------
Thanks Enis. Yes, I tested this on my setup. The restore worked properly in all
cases. You can commit this.
> Integration Tests fails because of bug in teardown phase where the cluster
> state is not being restored properly.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-9085
> URL: https://issues.apache.org/jira/browse/HBASE-9085
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 0.95.0, 0.94.9, 0.94.10
> Reporter: gautam
> Assignee: gautam
> Fix For: 0.98.0, 0.95.2, 0.94.11
>
> Attachments: HBASE-9085.patch._0.94, HBASE-9085.patch._0.95_or_trunk
>
>
> I was running the following test over a Distributed Cluster:
> bin/hbase org.apache.hadoop.hbase.IntegrationTestsDriver
> IntegrationTestDataIngestSlowDeterministic
> The IntegrationTestingUtility.restoreCluster() is called in the teardown
> phase of the test.
> For a distributed cluster, it ends up calling
> DistributedHBaseCluster.restoreClusterStatus, which does the task
> of restoring the cluster back to original state.
> The restore steps done here, does not solve one specific case:
> When the initial HBase Master is currently down, and the current HBase Master
> is different from the initial one.
> You get into this flow:
> //check whether current master has changed
> if (!ServerName.isSameHostnameAndPort(initial.getMaster(),
> current.getMaster())) {
> .............
> }
> In the above code path, the current backup masters are stopped, and the
> current active master is also stopped.
> At this point, for the aforementioned usecase, none of the Hbase Masters
> would be available, hence the subsequent
> attempts to do any operation over the cluster would fail, resulting in Test
> Failure.
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