JobTracker 没有起来 datanode没有起来

转载自：http://hi.baidu.com/wylinux/item/eaeafb43fcb406af60d7b931

BindException: Problem binding to cs-01.localhost.localdomain/192.168.0.4:9001 : Address already in use

2012-06-10 20:43:03,004 INFO org.apache.hadoop.mapred.JobTracker: Starting jobtracker with owner as hadoop

2012-06-10 20:43:03,095 FATAL org.apache.hadoop.mapred.JobTracker: java.net.BindException: Problem binding to cs-01.localhost.localdomain/192.168.0.4:9001 : Address already in use

        at org.apache.hadoop.ipc.Server.bind(Server.java:226)

        at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:300)

        at org.apache.hadoop.ipc.Server.<init>(Server.java:1478)

        at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:505)

        at org.apache.hadoop.ipc.RPC.getServer(RPC.java:466)

        at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2288)

        at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2171)

        at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:300)

        at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:291)

        at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4956)

Caused by: java.net.BindException: Address already in use

        at sun.nio.ch.Net.bind(Native Method)

        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:126)

        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)

        at org.apache.hadoop.ipc.Server.bind(Server.java:224)

        ... 9 more

[hadoop@cs-01 logs]$ netstat -tunlp

(No info could be read for "-p": geteuid()=502 but you should be root.)

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   

tcp        0      0 0.0.0.0:10050               0.0.0.0:*                   LISTEN      -                   

tcp        0      0 0.0.0.0:9425                0.0.0.0:*                   LISTEN      -                   

tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      -                   

tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      -                   

tcp        0      0 ::ffff:192.168.0.4:9000     :::*                        LISTEN      -                   

tcp        0      0 ::ffff:192.168.0.4:9001     :::*                        LISTEN      -                   

tcp        0      0 :::50090                    :::*                        LISTEN      -                   

tcp        0      0 :::50030                    :::*                        LISTEN      -                   

tcp        0      0 :::50070                    :::*                        LISTEN      -                   

tcp        0      0 :::22                       :::*                        LISTEN      -                   

tcp        0      0 ::1:25                      :::*                        LISTEN      -                   

udp        0      0 0.0.0.0:68                  0.0.0.0:*                               -       

端口没有完全释放可能 实际使用的时候就算是关闭集群，端口显示还是占用的

 直接root 用户pkill java了 java进程没有完全关闭的