報錯信息:
2018-05-11 15:10:59,097 [main-SendThread()] INFO [org.apache.zookeeper.ClientCnxn] - Opening socket connection to server zkserver/127.0.0.1:2181
2018-05-11 15:11:00,125 [main-SendThread(zkserver:2181)] WARN [org.apache.zookeeper.ClientCnxn] - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
注意節點Opening ... 在啓動xxx 服務,服務爲null,項目啓動報錯,大部分原因是該服務沒有正常啓動,如上則是zookeeper 沒有正常啓動