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https://issues.apache.org/jira/browse/CASSANDRA-8592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14353171#comment-14353171
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Tyler Hobbs commented on CASSANDRA-8592:
----------------------------------------

Oh, it just occurred to me that the driver will also need to support 
WriteFailureException for that to work in the dtest.  We _could_ monkey-patch 
support for that inside the test class, but we always have this problem with 
protocol changes, and it would be nice to have a better solution.

[~philipthompson] should we consider using a fork of the python driver for 
dtests runs?  Or perhaps specify a git branch to use for the run?  That would 
be a little tricky, because you'd need to modify {{sys.path}} after checking 
out a branch (in the dtest setup), but I think it could work.

> Add WriteFailureException
> -------------------------
>
>                 Key: CASSANDRA-8592
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8592
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API, Core
>            Reporter: Tyler Hobbs
>            Assignee: Stefania
>              Labels: client-impacting
>             Fix For: 3.0
>
>
> Similar to what CASSANDRA-7886 did for reads, we should add a 
> WriteFailureException and have replicas signal a failure while handling a 
> write to the coordinator.



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