Not enough replica available for query at consistency ONE (1 required but only 0 alive)

Question

I have a Cassandra cluster with three nodes, two of which are up. They are all in the same DC. When my Java application goes to write to the cluster, I get an error in my applic

Answer 1

For me it was that my endpoint_snitch was still set to SimpleSnitch instead of something like GossipingPropertyFileSnitch. This was preventing the multi-DC cluster from connecting properly and manifesting in the error above.