Good catch. I totally missed the NoClassDefFoundError.
> -----Original Message-----
> From: Josh Elser [mailto:josh.el...@gmail.com]
> Sent: Monday, April 17, 2017 5:10 PM
> To: user@accumulo.apache.org
> Subject: Re: Repeating connections with SASL
>
> 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$SendThread.readResponse(ClientCnxn.ja
> >> va:744)
> >>
> >> at
> >>
> org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.jav
> >> a:94)
> >>
> >> at
> >>
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocket
> >> NIO.java:366)
> >>
> >> at
> >> org.apache.zookeeper.ClientCnxn$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)
> >>