hadoop安装报错

zhangbinmy

　　安装hadoop HA的时候，格式化ZK,执行hdfs zkfc –formatZK命令 报错如下:
　　16/09/08 20:41:53 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=>hddata1:2181,hddata2:2181,hddata3:2181 sessionTimeout=5000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@5dd308e3
　　16/09/08 20:41:53 FATAL tools.DFSZKFailoverController: Got a fatal error, exiting now
　　java.net.UnknownHostException: >hddata1
　　at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
　　at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
　　at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1295)
　　at java.net.InetAddress.getAllByName0(InetAddress.java:1248)
　　at java.net.InetAddress.getAllByName(InetAddress.java:1164)
　　at java.net.InetAddress.getAllByName(InetAddress.java:1098)
　　at org.apache.zookeeper.client.StaticHostProvider.(StaticHostProvider.java:61)
　　at org.apache.zookeeper.ZooKeeper.(ZooKeeper.java:445)
　　at org.apache.zookeeper.ZooKeeper.(ZooKeeper.java:380)
　　at org.apache.hadoop.ha.ActiveStandbyElector.getNewZooKeeper(ActiveStandbyElector.java:631)
　　at org.apache.hadoop.ha.ActiveStandbyElector.createConnection(ActiveStandbyElector.java:775)
　　at org.apache.hadoop.ha.ActiveStandbyElector.(ActiveStandbyElector.java:229)
　　at org.apache.hadoop.ha.ZKFailoverController.initZK(ZKFailoverController.java:350)
　　at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:191)
　　at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:61)
　　at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:172)
　　at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:168)
　　at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
　　at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:168)
　　at org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:181)
　　谁碰到过这个问题，麻烦帮忙解决下