Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection timed out: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)Hbase与zookeeper连接不上,我看了前面大神们的帖子,说从查看各节点zookeeper启动状态、端口占用、防火墙等方面查看原因,具体都要怎样操作呢?我是在单机运行的,执行的start-dfs、start-yarn、start-hbase,防火墙那里是不是关闭防火墙就可以了?zookeeper起动状态和端口占用又该怎么检查?求大神们帮助啊!