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https://issues.apache.org/jira/browse/ZOOKEEPER-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16033254#comment-16033254
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Michael Han commented on ZOOKEEPER-2797:
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bq. the server should always be validating all fields of all requests.
Absolutely, to prevent bad clients. I mentioned client side check because if we
control the clients, then doing client side check is more efficient as it
prevents unnecessary round trips.
bq. any insight into why create flags moved from being bitfield-like to an enum?
If you are referring to the EphemeralType as the enum, my guess would be for
readability.
> Invalid TTL from misbehaving client nukes zookeeper
> ---------------------------------------------------
>
> Key: ZOOKEEPER-2797
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2797
> Project: ZooKeeper
> Issue Type: Bug
> Components: security, server
> Affects Versions: 3.6.0
> Reporter: Patrick White
> Assignee: Patrick White
> Fix For: 3.5.4, 3.6.0
>
>
> I was adding container and TTL support to kazoo, and managed to screw
> something up which set the TTL to a negative value. This invalid TTL blew up
> the commit processor, and got written to the log, preventing the zookeepers
> from starting back up.
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