Hbase启动后Hmaster可以启动，但是regionserver启动不了

Hbase启动后Hmaster可以启动，但是regionserver启动不了，单独启动regionserver，事可以启动的。
报这样的错误
2017-03-03 16:43:33,019 ERROR [main] regionserver.HRegionServerCommandLine: Region server exiting
java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer
      at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:2644)
      at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:64)
      at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:87)
      at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
      at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
      at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2659)
Caused by: java.lang.reflect.InvocationTargetException
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
      at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:2642)
      ... 5 more
Caused by: java.lang.IllegalArgumentException: java.net.UnknownHostException: beh
      at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:373)
      at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:258)
      at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:153)
      at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:602)
      at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:547)
      at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:139)
      at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2591)
      at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89)
      at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2625)
      at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2607)
      at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368)
      at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
      at org.apache.hadoop.hbase.util.FSUtils.getRootDir(FSUtils.java:1002)
      at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:561)
      ... 10 more
Caused by: java.net.UnknownHostException: beh
      ... 24 more

最后这行说beh的问题，这个在HDFS里面已经配置好了呀，hadoop集群也可以启动。
是哪里配置错了吗？