我在从属区域服务器的日志中发现以下错误。问题似乎已经解决了
regionserver.hregionserver:reportforduty to master=localhost，600001397430611631，端口=60020
主机设置为localhost，但实际上应该指向主机。我弄不明白奴隶是怎么弄清楚主人是谁的，即使看了文件。
完整日志为：

2014-04-14 04:49:35,939 INFO  [regionserver60020] regionserver.HRegionServer: CompactionChecker runs every 10sec
2014-04-14 04:49:35,950 INFO  [regionserver60020] regionserver.HRegionServer: reportForDuty to master=localhost,60000,1397430611631 with port=60020, startcode=1397431174733
2014-04-14 04:49:36,083 WARN  [regionserver60020] regionserver.HRegionServer: error telling master we are up
com.google.protobuf.ServiceException: java.net.ConnectException: Connection refused
    at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1671)
    at org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1712)
    at org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$BlockingStub.regionServerStartup(RegionServerStatusProtos.java:5402)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegionServer.java:2013)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:846)
    at java.lang.Thread.run(Thread.java:744)
Caused by: java.net.ConnectException: Connection refused
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
    at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
    at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
    at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
    at org.apache.hadoop.hbase.ipc.RpcClient$Connection.setupConnection(RpcClient.java:578)
    at org.apache.hadoop.hbase.ipc.RpcClient$Connection.setupIOstreams(RpcClient.java:866)
    at org.apache.hadoop.hbase.ipc.RpcClient.getConnection(RpcClient.java:1536)
    at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1435)
    at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1654)
    ... 5 more