----- Original Message ----- From: Josu Lazkano <josu.lazk...@barcelonamedia.org> Date: Thursday, October 27, 2011 9:38 pm Subject: Permission denied for normal users To: hdfs-user@hadoop.apache.org
> Hello list, I am new on Hadoop, I configura a 3 slaves and 1 master > Hadoop cluster. > > The problem is that with normal users I can not execute nothing: > > $ hadoop dfs -ls /user/josu.lazkano/gutenberg > Found 7 items > -rw-r--r-- 2 josu.lazkano supergroup 343695 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/132.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 594933 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/1661.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 1945886 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/19699.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 674566 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/20417.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 1573112 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/4300.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 1423801 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/5000.txt.utf8 > -rw-r--r-- 2 josu.lazkano supergroup 393963 2011-10-11 > 09:47 /user/josu.lazkano/gutenberg/972.txt.utf8 > > And this happens when I run a jar: > > $ hadoop jar /usr/local/hadoop/hadoop-0.20.2-examples.jar > wordcount /user/josu.lazkano/gutenberg/ > /user/josu.lazkano/gutenberg_outException in thread "main" > java.io.IOException: Permission denied > at java.io.UnixFileSystem.createFileExclusively(Native Method) > at java.io.File.checkAndCreate(File.java:1704) > at java.io.File.createTempFile(File.java:1792) > at org.apache.hadoop.util.RunJar.main(RunJar.java:115) This error throws from OS itself. Error is not related to Hadoop permissions. First of all, are you able to create file with that user? Provide the permissions for /user and try. > > With "hduser" user there is no problem with same jar execution (this > user start the hdfs). > > How could I solve this? > > Thanks and best regards. > > -- > Josu Lazkano > Barcelona Media – Centre d’Innovació > > Regards, Uma
