Hadoop进程50010，50070，50090端口被占用

用root用户登陆，杀死进程

[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ su root
Password:
su: Authentication failure
[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ su root
Password:
[root@s150 /soft/hadoop/etc/hadoop]# lsof -i tcp:50010//查看使用端口的进程id
COMMAND  PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    8330 xiaoqiu  184u  IPv4  52128      0t0  TCP *:50010 (LISTEN)
[root@s150 /soft/hadoop/etc/hadoop]# kill -9 8330
[root@s150 /soft/hadoop/etc/hadoop]# lsof -i tcp:50070
COMMAND  PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    8205 xiaoqiu  184u  IPv4  51395      0t0  TCP *:50070 (LISTEN)
[root@s150 /soft/hadoop/etc/hadoop]# kill -9 8205
[root@s150 /soft/hadoop/etc/hadoop]# lsof -i tcp:50090
COMMAND  PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    8484 xiaoqiu  196u  IPv4  53303      0t0  TCP *:50090 (LISTEN)
[root@s150 /soft/hadoop/etc/hadoop]# kill -9 8484//强制杀死进程
[root@s150 /soft/hadoop/etc/hadoop]# su xiaoqiu
[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ 

格式化namenode,启动所有进程start-all.sh

成功

[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ jps
23584 NodeManager
23045 NameNode
23176 DataNode
23338 SecondaryNameNode
23483 ResourceManager
23788 Jps
[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ ^C
[xiaoqiu@s150 /soft/hadoop/etc/hadoop]$ xcall.sh jps
====s150 =====
23584 NodeManager
23045 NameNode
23176 DataNode
23913 Jps
23338 SecondaryNameNode
23483 ResourceManager
====s151 =====
13751 Jps
13628 NodeManager
13502 DataNode
====s152 =====
12801 Jps
12678 NodeManager
12553 DataNode