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https://issues.apache.org/jira/browse/ZOOKEEPER-1805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812776#comment-13812776
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Flavio Junqueira commented on ZOOKEEPER-1805:
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It still bothers me that we can't distinguish between old and new notification
messages. I was thinking about introducing a format version field so that we
can get around this problem and make the check in the way proposed instead of
working around it.
I have a patch mostly ready, but I'd like to know if this a direction that is
ok to pursue. If this ok, then I can add a sub-task here so that we can work
this out separately, before fixing this issue.
> "Don't care" value in ZooKeeper election breaks rolling upgrades
> ----------------------------------------------------------------
>
> Key: ZOOKEEPER-1805
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1805
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Flavio Junqueira
> Assignee: Flavio Junqueira
> Priority: Blocker
> Fix For: 3.4.6, 3.5.0
>
> Attachments: ZOOKEEPER-1805-b3.4.patch, ZOOKEEPER-1805.patch,
> ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch,
> ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch,
> ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch, ZOOKEEPER-1805.patch
>
>
> This is an issue that has been originally reported in ZOOKEEPER-1732.
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