tly 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.
&
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 is already closed',)})
With debug on I get the following output.
U