刚刚学习hadoop，搭了一个4台centos6.5虚拟机的集群，datanode启动后一会就自己退了

下面是slave的logs
2017-02-17 03:00:32,991 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG: host = slave1/192.168.1.3
STARTUP_MSG: args = []
STARTUP_MSG: version = 0.20.2
STARTUP_MSG: build = https://svn.apache.org/repos/asf ... ranches/branch-0.20 -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
************************************************************/
2017-02-17 03:00:34,423 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 0 time(s).
2017-02-17 03:00:35,426 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 1 time(s).
2017-02-17 03:00:36,428 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 2 time(s).
2017-02-17 03:00:37,460 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 3 time(s).
2017-02-17 03:00:38,462 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 4 time(s).
2017-02-17 03:00:39,463 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 5 time(s).
2017-02-17 03:00:40,465 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 6 time(s).
2017-02-17 03:00:41,467 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 7 time(s).
2017-02-17 03:00:42,469 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 8 time(s).
2017-02-17 03:00:43,472 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 9 time(s).
2017-02-17 03:00:43,478 INFO org.apache.hadoop.ipc.RPC: Server at master/192.168.1.2:9000 not available yet, Zzzzz...
2017-02-17 03:00:45,483 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 0 time(s).
2017-02-17 03:00:46,486 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 1 time(s).
2017-02-17 03:00:47,487 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 2 time(s).
2017-02-17 03:00:48,489 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 3 time(s).
2017-02-17 03:00:49,504 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 4 time(s).
2017-02-17 03:00:50,506 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 5 time(s).
2017-02-17 03:00:51,508 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 6 time(s).
2017-02-17 03:00:52,509 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/192.168.1.2:9000. Already tried 7 time(s).
2017-02-17 03:01:12,679 INFO org.apache.hadoop.hdfs.server.common.Storage: Storage directory /software/hadoop-0.20.2/data is not formatted.
2017-02-17 03:01:12,680 INFO org.apache.hadoop.hdfs.server.common.Storage: Formatting ...
2017-02-17 03:01:12,778 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Registered FSDatasetStatusMBean
2017-02-17 03:01:12,779 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Opened info server at 50010
2017-02-17 03:01:12,780 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Balancing bandwith is 1048576 bytes/s
2017-02-17 03:01:12,887 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
2017-02-17 03:01:12,970 INFO org.apache.hadoop.http.HttpServer: Port returned by webServer.getConnectors()[0].getLocalPort() before open() is -1. Opening the listener on 50075
2017-02-17 03:01:12,971 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Waiting for threadgroup to exit, active threads is 0
2017-02-17 03:01:12,972 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.net.BindException: 无法指定被请求的地址
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:437)
at sun.nio.ch.Net.bind(Net.java:429)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
at org.apache.hadoop.http.HttpServer.start(HttpServer.java:425)
at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:375)
at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1283)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1238)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1246)
at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368)

2017-02-17 03:01:12,973 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at slave1/192.168.1.3
************************************************************/