WARN Session 0x0 for server null, unexpected error, closing
socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.ja
va:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
[2019-11-08 19:31:54,837] WARN Session 0x0 for server null, unexpected error, closing
socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.ja
va:361)
我的解决方案：
重启集群。。。
将kafka和zk均重启。
ok！！！