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https://issues.apache.org/jira/browse/HBASE-11517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14063032#comment-14063032
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Mikhail Antonov commented on HBASE-11517:
-----------------------------------------
Ah. MiniHBaseCluster#shutdown calls
HConnectionManager.deleteAllConnections(false), which deletes all connections
known to connection manager (which holds them in static collection, so it's
shared across both miniclusters).
I kind of recall having same sort of issue before in one of the tests, which
created multiple miniclusters within one test and shut down one of them at the
end of test, before the next test runs.
@stack so we can either change the test or, probably better, change
MiniHBaseCluster#shutdown to now kill all connections, but just those matching
the configuration of this minicluster. Going to try latter one tonight and make
patch.
> TestReplicaWithCluster turns zombie
> -----------------------------------
>
> Key: HBASE-11517
> URL: https://issues.apache.org/jira/browse/HBASE-11517
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Attachments: 10930v4.txt, 11517.timeouts.txt
>
>
> Happened a few times for me fixing unrelated findbugs. Here is example:
> https://builds.apache.org/job/PreCommit-HBASE-Build/10065//consoleFull See
> how it is hanging creating a table:
> "pool-1-thread-1" prio=10 tid=0x00007f1714657000 nid=0x4b7f waiting on
> condition [0x00007f16e9f80000]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:539)
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:424)
> at
> org.apache.hadoop.hbase.HBaseTestingUtility.createTable(HBaseTestingUtility.java:1185)
> at
> org.apache.hadoop.hbase.client.TestReplicaWithCluster.testCreateDeleteTable(TestReplicaWithCluster.java:138)
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