[jira] [Commented] (ZOOKEEPER-1269) Multi deserialization issues

["Camille Fournier (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162436#comment-13162436 ] 

Camille Fournier commented on ZOOKEEPER-1269:
---------------------------------------------

This is a reasonably big bug to just leave outstanding for this long, can someone please review this and check it in?
                
> Multi deserialization issues
> ----------------------------
>
>                 Key: ZOOKEEPER-1269
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1269
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.4.0
>            Reporter: Camille Fournier
>            Assignee: Camille Fournier
>             Fix For: 3.5.0, 3.4.1
>
>         Attachments: ZOOKEEPER-1269.patch
>
>
> From the mailing list:
> FileTxnSnapLog.restore contains a code block handling a NODEEXISTS failure during deserialization. The problem is explained there in a code comment. The code block however is only executed for a CREATE txn, not for a multiTxn containing a CREATE.
> Even if the mentioned code block would also be executed for multi transactions, it needs adaption for multi transactions. What, if after the first failed transaction in a multi txn during deserialization, there would be subsequent transactions in the same multi that would also have failed?
> We don't know, since the first failed transaction hides the information about the remaining transactions.

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