This can also happen if the server ensemble has gone down. For example, if there is no longer a quorum of servers
Thanks and regards, Shreyas On Fri, Jul 15, 2016 at 1:54 PM, rammohan ganapavarapu < [email protected]> wrote: > But unfortunately i did not restart server though! i see these on the > running server. > > Ram > > On Fri, Jul 15, 2016 at 1:48 PM, Dan Benediktson < > [email protected]> wrote: > > > I think you see this message when clients are trying to connect while the > > server isn't fully up yet. For instance, if you restart the Zookeeper > > process while clients are actively talking to it, you're likely to see a > > lot of these, but it'll clear up as soon as the server is fully up. > > Basically, the network layer has finished starting up before the rest of > > the service has finished starting up, so the network layer drops the > > incoming connections until the rest of Zookeeper is up and able to handle > > them. > > > > Dan > > > > On Fri, Jul 15, 2016 at 12:47 PM, rammohan ganapavarapu < > > [email protected]> wrote: > > > > > Hi, > > > > > > I see below message in zookeeper.log file but when i check process zk > > > process is running and i can telnet to 2181 port, why am i getting this > > > message and how to avoid this? > > > > > > 2016-07-15 19:22:14,222 - WARN [NIOServerCxn.Factory: > > > 0.0.0.0/0.0.0.0:2181:NIOServerCnxn@354] - Exception causing close of > > > session 0x0 due to java.io.IOException: ZooKeeperServer not running > > > > > > Thanks, > > > Ram > > > > > >
