Have you changed zookeeper.connect=
in server.properties. A better procedure for replacing zookeeper nodes would be to shutdown one and install the new one with the same ip. This can easily be done to a running cluster. /svante 2015-04-30 20:08 GMT+02:00 Dillian Murphey <crackshotm...@gmail.com>: > I had 3 zookeeper nodes. I added 3 new ones and shut down the old 3. > > The server.log shows Closing socket connection error to the old IPs. I > rebooted the kafka server entirely but it still somehow seems aware of > these servers. > > Any ideas what's up? >