zookeeper // Will not attempt to authenticate using SASL

56gt

zoo.cfg中配置有
server.1=master:2888:3888
server.2=slave1:2888:3888
server.3=slave2:2888:3888
server.4=slave3:2888:3888

那么在客户端连接的时候IP段必须写主机名，不然会报错
zkCli.sh -server master:2181

zkCli.sh -server 10.18.223.131:2181 这样就报错了：


WARN  [main-SendThread(10.18.133.131:2181):ClientCnxn$SendThread@1102] - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection timed out
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
        at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
2015-06-19 17:12:34,013 [myid:] - INFO  [main-SendThread(10.18.133.131:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 10.18.133.131/10.18.133.131:2181. Will not attempt to authenticate using SASL (java.lang.SecurityException: Unable to locate a login configuration)