[jira] [Commented] (BOOKKEEPER-847) ArrayIndexOutOfBoundsException in LedgerFragmentReplicator::updateEnsembleInfo

["Rakesh R (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BOOKKEEPER-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14385434#comment-14385434 ] 

Rakesh R commented on BOOKKEEPER-847:
-------------------------------------

Its interesting. I couldn't find the possibility of this Exception, as I remember the re-replication will happen on the closed fragment. Now, it won't hit the case of updating the ensemble while re-replication of that particular fragment is in progress, right?. Could you please give more details like, exception trace or point me to the code flow where it can occur this.

> ArrayIndexOutOfBoundsException in LedgerFragmentReplicator::updateEnsembleInfo
> ------------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-847
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-847
>             Project: Bookkeeper
>          Issue Type: Bug
>            Reporter: Jia Zhai
>            Assignee: Jia Zhai
>
> ArrayIndexOutOfBoundsException in LedgerFragmentReplicator::updateEnsembleInfo, because update ensemble info might happen after re-read ledger metadata, so the ensemble might already change. if ensemble is already changed, skip replacing the bookie doesn't exist.



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