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该异常是向hadoop写入目录是遇到异常Permission denied: user=Administrator, access=WRITE, inode="/":root:supergroup:drwxr-xr-x解决方案向hdfs-site中添加如下代码重启集群有效<property> <name>dfs.permissions</name>...

1:报错如下java.io.IOException: (null) entry in command string: null chmod 0644复制代码解决方案1.下载winutils的windows版本在hadoop2.7.x版本里，请使用：https://github.com/SweetInk/hadoop-common-2.7.1-bin随便解压到一个目录，将加压出来的bin...

package scala_test_lyhimport java.io._import java.net.URIimport java.util._import org.apache.commons.lang3.StringUtilsimport org.apache.hadoop.conf.Configurationimport org.apache.hadoop.fs._im...

vim /etc/hostnamevim /etc/hostsvim /etc/sysconfig/network-scripts/ifcfg-ens33网络设置ONBOOT=yesIPADDR=192.168.0.50NETMASK=255.255.255.0GATEWAY=192.168.0.1DNS1=223.5.5.5DNS2=223.6.6.6