进行如下更改:vim /usr/local/hadoop/etc/hadoop/hdfs-site.xml[我的hadoop目录在/usr/local下,具体的是修改你的hadoop目录中的/etc/hadoop/hdfs-site.xml]添加一个property:<property>      <name>dfs.permissions</name>      <value>false</value></property> 然后重…

异常: org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthoriza…

org.apache.hadoop.security.AccessControlException: Permission denied: user=xxj, access=WRITE, inode="user":hadoop:supergroup:rwxr-xr-x sulution:added this entry to conf/hdfs-site.xml <property><name>dfs.permissions</name><va…

1:初学hadoop遇到各种错误,这里贴一下,方便以后脑补吧,报错如下: 主要是在window环境下面搞hadoop,而hadoop部署在linux操作系统上面:出现这个错误是权限的问题,操作hadoop是虚拟机的主机用户不是window的主机用户Administrator,所以出现下面的错误,解决办法如下所示(或者修改文件的权限,即所有者都可以进行可读,可写,可执行): log4j:WARN No appenders could be found for logger (org.apache.…

保存文件时权限被拒绝 曾经踩过的坑: 保存结果到hdfs上没有写的权限 通过修改权限将文件写入到指定的目录下 * * * $HADOOP_HOME/bin/hdfs dfs -chmod 777 /user * * * Exception in thread "main" org.apache.hadoop.security.AccessControlException: * Permission denied: user=Mypc, access=WRITE, * inode=&qu…

描述:在Windows下使用Eclipse进行Hadoop的程序编写,然后Run on hadoop 后,出现如下错误: 11/10/28 16:05:53 INFO mapred.JobClient: Running job: job_201110281103_000311/10/28 16:05:54 INFO mapred.JobClient: map 0% reduce 0%11/10/28 16:06:05 INFO mapred.JobClient: Task Id : attemp…

假设远程提交任务给Hadoop 可能会遇到 "org.apache.hadoop.security.AccessControlException:Permission denied: user=..." , 当然,假设是spark over YARN, 也相同会遇到相似的问题,比如:  An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext. : org.apache.hadoop.…

import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; public class TestHDFS { public static void main(String[] args) throws Exception{ Configuration conf = new Configuration(); conf.set…

eclipse的hadoop插件对集群操作提示org.apache.hadoop.security.AccessControlException:Permission denied: user = zhangsan,access=WRITE,inode="/user/hadoop":hadoop:supergroup:drwxr-xr-x 因为用eclipse的hadoop的插件提交代码时,会默认用win下边的身份操作远程hdfs文件系统,比如我的win系统的登陆名是zhangsan,…

报错背景: CDH集成了Flume服务,准备通过Flume将kafka中的数据放到HDFS中, 启动Flume的时候报错. 报错现象: // :: INFO hdfs.HDFSDataStream: Serializer = TEXT, UseRawLocalFileSystem = false // :: INFO hdfs.BucketWriter: Creating hdfs://master:8020/yk/dl/alarm_his/AlarmHis.1557281724769.txt.…