hbase sacn有时会失败

报错如下：[INFO ] 2014-01-06 12:17:43,972(36) --> [main-SendThread(DN78:2181)] org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966): Opening socket connection to server DN78/192.168.1.78:2181. Will not attempt to authenticate using SASL (无法定位登录配置) [WARN ] 2014-01-06 12:17:43,977(41) --> [main-SendThread(DN78:2181)] org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1089): Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
      at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
      at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599)
      at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)

对hbase table进行scan操作时，（操作机器是集群外的一台机器）有时会出现上面的警告，有时就没有，什么原因，望指教。

fanbells · 发表于 2014-1-6 15:55:11

报错如下：[INFO ] 2014-01-06 12:17:43,972(36) --> [main-SendThread(DN78:2181)] org.apache.zookeeper.ClientCnxn$SendThread.logStartConnect(ClientCnxn.java:966): Opening socket connection to server DN78/192.168.1.78:2181. Will not attempt to authenticate using SASL (无法定位登录配置) [WARN ] 2014-01-06 12:17:43,977(41) --> [main-SendThread(DN78:2181)] org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1089): Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
      at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
      at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599)
      at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
      at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)

对hbase table进行scan操作时，（操作机器是集群外的一台机器）有时会出现上面的警告，有时就没有，什么原因，望指教。