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https://issues.apache.org/jira/browse/CASSANDRA-10142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14705706#comment-14705706
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Aleksey Yeschenko commented on CASSANDRA-10142:
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[~bdeggleston] thanks for finding the reason. This needs to be fixed in the
driver, for 2.1 and 2.2 C* users. However, for 3.0, after some discussion, we
decided to consider removing support for v1 and v2 protocols (see
CASSANDRA-10146), so marking this issue as Won't Fix, unless someone objects to
that decision.
> Driver cannot connect with protocol version < 3
> -----------------------------------------------
>
> Key: CASSANDRA-10142
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10142
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jim Witschey
> Assignee: Blake Eggleston
> Attachments: repro.sh
>
>
> When trying to connect with the Python driver to a cluster running trunk, the
> connection fails with a {{NoHostAvailable}} exception if the protocol version
> is set to 1 or 2.
> The attached script reproduces the error and demonstrates that the connection
> works if the protocol version is 3 or 4.
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