Session 0x16b21fa441900b6 for server 192.168.240.126/192.168.240.126:2181, unexpected error, closing socket connection and attempting reconnect
java.lang.NoClassDefFoundError: org/apache/zookeeper/proto/SetWatches
at org.apache.zookeeper.ClientCnxn$SendThread.primeConnection(ClientCnxn.java:926)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:363)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
When starting tomcat encountered such a problem, but after the restart, the problem disappeared. Everything normal