* 아래와 같은 알림 발생 시
1 2 3 4 5 6 7 8 9 10 11 | Welcome to ZooKeeper! 2017-10-17 14:55:17,888 - INFO [main-SendThread():ClientCnxn$SendThread@1058] - Opening socket connection to server master/192.168.10.30:2181 JLine support is enabled 2017-10-17 14:55:17,958 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@947] - Socket connection established to master/192.168.10.30:2181, initiating session 2017-10-17 14:55:17,964 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@1183] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect [zk: master:2181(CONNECTING) 0] 2017-10-17 14:55:19,550 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@1058] - Opening socket connection to server master/192.168.10.30:2181 2017-10-17 14:55:19,551 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@947] - Socket connection established to master/192.168.10.30:2181, initiating session 2017-10-17 14:55:19,552 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@1183] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2017-10-17 14:55:21,447 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@1058] - Opening socket connection to server master/192.168.10.30:2181 2017-10-17 14:55:21,448 - INFO [main-SendThread(master:2181):ClientCnxn$SendThread@947] - Socket connection established to master/192.168.10.30:2181, initiating session | cs |
* 조치 사항
-> 각 서버에 zookeeper 서버가 기동되지 않은 상태이므로 대상이 되는 모든 서버의 기동 상태를 점검합니다.
-> 기타 해당 포트가 개방되어 있는지 여부를 살펴볼 필요성이 있습니다.
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