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https://issues.apache.org/jira/browse/BOOKKEEPER-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186951#comment-13186951
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Sijie Guo commented on BOOKKEEPER-153:
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we don't need to modify writeLedgerConfig. we need to change the flow of
LedgerCreateOp to pass initial metadata when creating ledger path.
besides that, we need to change LedgerOpenOp to handle zero-length metadata
when parsing ledger metadata.
I created a patch to fix it.
> Ledger can't be opened or closed due to zero-length metadata
> ------------------------------------------------------------
>
> Key: BOOKKEEPER-153
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-153
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-client
> Affects Versions: 4.0.0
> Reporter: Sijie Guo
> Assignee: Sijie Guo
> Fix For: 4.1.0
>
> Attachments: BK-153.patch
>
>
> Currently creating ledger path and writing ledger metadata are not in a
> transaction. so if the bookkeeper client (hub server uses bookkeeper client)
> is crashed, we have a ledger existed in zookeeper with zero-length metadata.
> we can't open/close it.
> we should create the ledger path with initial metadata to avoid such case.
> besides that, we need to add code in openLedgerOp to handle zero-length
> metadata for backward compatibility.
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