>> I am running local tests about upgrade cassandra. upgrade from 0.7.4 to >> 0.8.5
[snip] > Yes. It will take a few exchanges before the new node knows to use > the older protocol with the 0.7 nodes. Not going 0.7.4->0.8.4, due to https://issues.apache.org/jira/browse/CASSANDRA-3166 OP: Applying that fix should fix your problem. -- / Peter Schuller (@scode on twitter)