hadoop secondaryNameNode 启动报错

hadoop/sbin/hadoop-daemons.sh --hostnames d222.hadoop start secondarynamenode  

2015-04-02 12:04:03,137 INFO org.apache.hadoop.http.HttpServer2: HttpServer.start() threw a non Bind IOException

java.net.BindException: Port in use: d222.hadoop:50090
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:859)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:795)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:271)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:192)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:651)
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.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:854)
        ... 4 more
2015-04-02 12:04:03,144 FATAL org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Failed to start secondary namenode
java.net.BindException: Port in use: d222.hadoop:50090
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:859)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:795)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:271)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:192)
        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:651)
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.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:854)
        ... 4 more
2015-04-02 12:04:03,146 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2015-04-02 12:04:03,148 INFO org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down SecondaryNameNode at d222.hadoop/192.168.5.222
************************************************************/
2015-04-02 12:13:16,578 INFO org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: STARTUP_MSG:
/************************************************************

STARTUP_MSG: Starting SecondaryNameNode

错误是因为绑定端口被占用了，查看进程端口，确实被占用了，关闭重新启动。