Josu, Your /tmp folder is probably inaccessible by all the 'normal' users. It might be a permissions issue. For reference, this is my /tmp's signature, where I can create files under /tmp as any useradd-ed user:
"drwxrwxrwt 31 root root 4096 Oct 27 10:32 tmp" On Thu, Oct 27, 2011 at 9:37 PM, Josu Lazkano <josu.lazk...@barcelonamedia.org> wrote: > 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_out > Exception 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) > > 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 > > -- Harsh J
