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https://issues.apache.org/jira/browse/BOOKKEEPER-245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13271304#comment-13271304
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Ivan Kelly commented on BOOKKEEPER-245:
---------------------------------------
TestLocalDBPersistenceManagerBlackBox failure is caused by DERBY-2074. Bumping
the derby dependency fixes it.
TestBookKeeperPersistenceManagerWhiteBox fails because the PM thinks that it
doesn't own the topic. This is because we randomly clear the topic list so that
we will use multiple ledgers. If we do this on the last iteration of the outer
loop, when we try to scan it will think that we don't own the topic. The
solution is to acquire the topic before to scan to ensure that we have it.
{code}
// once in every 10 times, give up ledger
if (r.nextInt(10) == 9) {
// Make the bkpm lose its memory
bkpm.topicInfos.clear();
numPrevLedgers++;
}
{code}
> Intermittent failures in PersistanceManager tests
> -------------------------------------------------
>
> Key: BOOKKEEPER-245
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-245
> Project: Bookkeeper
> Issue Type: Bug
> Reporter: Ivan Kelly
> Assignee: Ivan Kelly
> Fix For: 4.1.0
>
>
> TestLocalDBPersistenceManagerBlackBox sometimes fails[1]. As does
> TestBookKeeperPersistenceManagerWhiteBox[2].
> [1] https://builds.apache.org/job/bookkeeper-trunk/481/
> [2] https://builds.apache.org/job/bookkeeper-trunk/498/
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