Add the following JVM argument to the server processes:
-Dzookeeper.sasl.client=false > On April 17, 2017 at 4:01 PM "Brown, Scott M [US] (MS)" > <scott.bro...@ngc.com> wrote: > > > We are getting this ~ every second in logs.. Apps appear up and working, > and we’d rather have INFO and WARN on for the time being, but is there any > way to disable this, or resolve? > > > > 2017-04-17 13:47:49,490 > [paxweb-extender-2-thread-1-SendThread(FQDN:2181)] INFO > org.apache.zookeeper.ClientCnxn :: Opening socket connection to server > FQDN/HOST IP ADDR:2181. Will not attempt to authenticate using SASL (unknown > error) > > 2017-04-17 13:47:49,490 > [paxweb-extender-2-thread-1-SendThread(FQDN:2181)] INFO > org.apache.zookeeper.ClientCnxn :: Socket connection established to FQDN/HOST > IP ADDR:2181, initiating session > > 2017-04-17 13:47:49,491 > [paxweb-extender-2-thread-1-SendThread(FQDN:2181)] INFO > org.apache.zookeeper.ClientCnxn :: Session establishment complete on server > FQDN/HOST IP ADDR:2181, sessionid = 0x15b7ba86254004a, negotiated timeout = > 6000 > > 2017-04-17 13:47:49,491 [paxweb-extender-2-thread-1-EventThread] INFO > org.I0Itec.zkclient.ZkClient :: zookeeper state changed (SyncConnected) > > 2017-04-17 13:47:49,492 > [paxweb-extender-2-thread-1-SendThread(FQDN:2181)] WARN > org.apache.zookeeper.ClientCnxn :: Session 0x15b7ba86254004a for server > FQDN/HOST IP ADDR:2181, unexpected error, closing socket connection and > attempting reconnect > > java.lang.NoClassDefFoundError: org/apache/zookeeper/proto/WatcherEvent > > at > org.apache.zookeeper.ClientCnxn$SendThread.readResponse(ClientCnxn.java:744) > > at > org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:94) > > at > org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:366) > > at > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) > > 2017-04-17 13:47:49,593 [paxweb-extender-2-thread-1-EventThread] INFO > org.I0Itec.zkclient.ZkClient :: zookeeper state changed (Disconnected) > > >