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https://issues.apache.org/jira/browse/HBASE-4877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159782#comment-13159782
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Hudson commented on HBASE-4877:
-------------------------------
Integrated in HBase-0.92 #163 (See
[https://builds.apache.org/job/HBase-0.92/163/])
HBASE-4877 TestHCM failing sporadically on jenkins and always for me on an
ubuntu machine
stack :
Files :
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java
> TestHCM failing sporadically on jenkins and always for me on an ubuntu machine
> ------------------------------------------------------------------------------
>
> Key: HBASE-4877
> URL: https://issues.apache.org/jira/browse/HBASE-4877
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.92.0
>
> Attachments: 4877.txt
>
>
> TestHCM takes 13 minutes for me on ubuntu and fails in testClosing. It runs
> fine on a mac. The problem test is not testClosing as I thought originally,
> its the test just previous, testConnectionUniqueness.
> testConnectionUniqueness creates the maximum cached HConnections + 10 to
> verify each is unique if the passed in Configuration has a unique hash.
> Problem comes when zk enforces its default max from single host of 30
> connections which is < (max cached + 10). The max does not seem to be
> enforced on mac for me. The max connections runs up to max of 31 -- zk max +
> 1 -- and works fine until we do the +10. On ubuntu, when we hit the zk max
> of 30, we'll then go into a fail mode where we cannot set up a zk session...
> each attempt takes a while. Test passes, it just takes a while.
> Only, the uniqueness test does not clean up after itself and so all sessions
> to zk are outstanding so then when the subsequent testClosing runs, it can't
> set up connections successfully so fails.
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