Please take a look https://zookeeper.apache.org/doc/r3.1.2/zookeeperStarted.html#sc_RunningReplicatedZooKeeper RegardsLongda
------------------------------------------------------------------From:researcher cs <[email protected]>Send Time:2015年11月18日(星期三) 14:49To:user <[email protected]>，user <[email protected]>Subject:connection of zookeeper i'm new to zookeeper and using zookeeper -3.4.6 i got this when i start the connection of client 2015-11-18 08:44:53,355 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) JLine support is enabled 2015-11-18 08:44:53,411 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:44:53,436 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect [zk: 127.0.0.1:2181(CONNECTING) 0] 2015-11-18 08:44:54,757 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:44:54,759 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:44:54,761 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:44:56,303 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:44:56,303 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:44:56,305 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:44:58,059 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:44:58,060 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:44:58,061 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:00,139 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:00,139 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:00,142 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:01,304 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:01,305 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:01,306 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:02,558 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:02,559 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:02,560 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:03,815 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:03,816 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:03,817 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:05,157 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:05,157 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:05,202 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:06,333 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:06,334 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:06,337 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:08,359 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:08,360 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:08,361 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:09,612 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:09,613 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:09,613 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:11,384 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:11,386 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:11,389 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1098] - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2015-11-18 08:45:12,831 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2015-11-18 08:45:12,833 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2015-11-18 08:45:12,893 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1235] - Session establishment complete on server 127.0.0.1/127.0.0.1:2181, sessionid = 0x1511957053a0000, negotiated timeout = 30000 WATCHER:: WatchedEvent state:SyncConnected type:None path:null but connection of server started well sometimes i start zookeeper well and sometimes got this problem here the zoo.cfg tickTime=2000 dataDir=/home/st/storm/datadir/zookeeper clientPort=2181 how can i solve it ?
