I'm kind of surprised as to how you're getting the NoClassDefFoundError.
I don't think that's at all related to disabling sasl client auth (as
Dave suggested).
Dave Marion wrote:
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)
