Hadoop安装配置 遇到的坑

主机名 找不到

http://lihongchao87.iteye.com/blog/1998347

配置hosts

[root@localhost bin]# cat /etc/hosts  
# Do not remove the following line, or various programs  
# that require network functionality will fail.  
127.0.0.1                   localhost       localhost  
192.168.18.130           localhost       localhost  

Hadoop之—— WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform...报错

(http://blog.csdn.net/l1028386804/article/details/51538611)

log4j.properties 添加配置

log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR