This is not really supported. Presently cqlsh hard-codes CQL and protocol
to versions only supported in 2.1:
https://github.com/apache/cassandra/blob/cassandra-2.1.0/bin/cqlsh#L144-L147
Your best bet is probably downloading a 2.0.x tarball and running out of
there.
Adam Holmberg
On Wed, Sep 17, 2014 at 4:33 PM, Tyler Tolley <thattolley...@gmail.com>
wrote:
> Just upgraded cassandra to 2.1 on my own box and when I try to connect to
> our server running 2.0.7, I get the following error.
>
> Connection error: ('Unable to connect to any servers', {'10.0.16.144':
> ConnectionShutdown('Connection <AsyncoreConnection(25708560)
> 10.0.16.144:9042 (closed)> is already closed',)})
>
> With debug on I get the following output.
>
> Using CQL driver: <module 'cassandra' from
> '/usr/share/cassandra/lib/cassandra-driver-internal-only-2.1.0.post.zip/cassandra-driver-2.1.0.post/cassandra/__init__.py'>
> Connection error: ('Unable to connect to any servers', {'10.0.16.144':
> ConnectionShutdown('Connection <AsyncoreConnection(26384400)
> 10.0.16.144:9042 (closed)> is already closed',)})
>
> If I try to connect using an earlier version of cqlsh, it connects fine.
> Anyone seen this before or have any advice on how to dig into the problem
> further? Thanks,
> -Tyler
>
>
