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https://issues.apache.org/jira/browse/BOOKKEEPER-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969475#comment-13969475
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Hadoop QA commented on BOOKKEEPER-742:
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Testing JIRA BOOKKEEPER-742
Patch
[0001-Fix-for-empty-ledgers-using-quorum.trunk.patch|https://issues.apache.org/jira/secure/attachment/12640250/0001-Fix-for-empty-ledgers-using-quorum.trunk.patch]
downloaded at Tue Apr 15 11:47:16 UTC 2014
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{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:green}+1 RAW_PATCH_ANALYSIS{color}
. {color:green}+1{color} the patch does not introduce any @author tags
. {color:green}+1{color} the patch does not introduce any tabs
. {color:green}+1{color} the patch does not introduce any trailing spaces
. {color:green}+1{color} the patch does not introduce any line longer than
120
. {color:green}+1{color} the patch does adds/modifies 2 testcase(s)
{color:green}+1 RAT{color}
. {color:green}+1{color} the patch does not seem to introduce new RAT
warnings
{color:green}+1 JAVADOC{color}
. {color:green}+1{color} the patch does not seem to introduce new Javadoc
warnings
{color:green}+1 COMPILE{color}
. {color:green}+1{color} HEAD compiles
. {color:green}+1{color} patch compiles
. {color:green}+1{color} the patch does not seem to introduce new javac
warnings
{color:green}+1 FINDBUGS{color}
. {color:green}+1{color} the patch does not seem to introduce new Findbugs
warnings
{color:red}-1 TESTS{color} - patch does not compile, cannot run testcases
{color:green}+1 DISTRO{color}
. {color:green}+1{color} distro tarball builds with the patch
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{color:red}*-1 Overall result, please check the reported -1(s)*{color}
The full output of the test-patch run is available at
. https://builds.apache.org/job/bookkeeper-trunk-precommit-build/604/
> Fix for empty ledgers losing quorum.
> ------------------------------------
>
> Key: BOOKKEEPER-742
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-742
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-auto-recovery
> Reporter: Ivan Kelly
> Assignee: Ivan Kelly
> Fix For: 4.3.0, 4.2.3
>
> Attachments: 0001-Fix-for-empty-ledgers-using-quorum.trunk.patch,
> 0001-Fix-for-empty-ledgers-using-quorum.trunk.patch,
> 0003-Fix-for-empty-ledgers-using-quorum.branch4.2.patch
>
>
> If a ledger is open and empty, when a bookie in the ensemble crashes no
> recovery will take place (because there's nothing to recover). This open
> empty unrepaired ledger can persist for a long time. If it loses another
> bookie, it can lose quorum. At this point it's impossible for the bookie to
> know that its an empty ledger, and the admin gets notified of missing data.
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