[2019-08-31 17:26:40.688] boot -? WARN [main-SendThread(127.0.0.1:2181)] --- ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect

java.net.ConnectException: Connection refused: no further information

查了一下，說是zookeeper沒有開啟。我用的IDEA上面的zookeeper，我覺得可能會和這個有關(guān)吧。