Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer
    at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:4132)
    at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60)
    at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
    at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4156)
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:4130)
    ... 5 more
Caused by: java.net.BindException: Problem binding to tangxianzhi/192.168.254.124:60020 : Cannot assign requested address
    at org.apache.hadoop.hbase.ipc.HBaseServer.bind(HBaseServer.java:259)
    at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.<init>(HBaseServer.java:483)
    at org.apache.hadoop.hbase.ipc.HBaseServer.<init>(HBaseServer.java:1571)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.<init>(WritableRpcEngine.java:255)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:204)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:56)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:330)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:319)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:455)
    ... 10 more
Caused by: java.net.BindException: Cannot assign requested address
    at sun.nio.ch.Net.bind0(Native Method)
    at sun.nio.ch.Net.bind(Net.java:444)
    at sun.nio.ch.Net.bind(Net.java:436)
    at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
    at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
    at org.apache.hadoop.hbase.ipc.HBaseServer.bind(HBaseServer.java:257)
    ... 18 more