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https://issues.apache.org/jira/browse/ZOOKEEPER-2147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom Distler updated ZOOKEEPER-2147:
-----------------------------------
Component/s: c client
Affects Version/s: 3.5.0
> Remove ZOO_NOTWATCHING_EVENT
> ----------------------------
>
> Key: ZOOKEEPER-2147
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2147
> Project: ZooKeeper
> Issue Type: Improvement
> Components: c client
> Affects Versions: 3.5.0
> Environment: All platforms
> Reporter: Tom Distler
> Priority: Trivial
>
> A review of the ZK code shows that the NOTWATCHING event is never raised.
> However, most client users wouldn't know this and would (hopefully) write
> code to handle the event. We ran into this in our own code, as I refactored
> some event handling only to find this event isn't going to occur.
> The responses from the community in the following discussion seem to confirm
> that this event should be removed:
> http://grokbase.com/t/zookeeper/user/1123dc333d/not-watching-event
> I'm prepared to submit a patch (tested in our load-test environment) if this
> issue is accepted. I've removed the event completely from all client code (C,
> Python, etc). One possibility is to leave the event definition in-place, but
> add a "deprecated" comment so-as not to break existing code.
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