NullPointerException--it sounds like you're restarting? If so, you should look into `nodetool drain`. http://wiki.apache.org/cassandra/FAQ#modify_cf_config
Gary On Wed, Aug 4, 2010 at 03:27, David Boxenhorn <da...@lookin2.com> wrote: > When I change schema I need to delete the commit logs - otherwise I get a > null pointer exception. > > Is there a way that I can force Cassandra to empty the commit logs so I > won't lose data??? > > (There has not been much recent activity, nor is there much current > activity. There was only one log and it was only 54K.) >