Le 3/19/12 6:39 PM, Mathias Herberts a écrit : > does it work under user hdfs?
Yes, using user hdfs command is fine. > On Mar 19, 2012 6:32 PM, "Olivier Sallou" <[email protected]> wrote: > >> Hi, >> I have installed Hadoop 1.0 using .deb package. >> I tried to configure superuser groups but it somehow fail. I do not know >> what's wrong: >> >> I expect root to be able to run hadoop dfsadmin -report command. >> >> # id hdfs >> uid=201(hdfs) gid=201(hdfs) groupes=123(hadoop),201(hdfs) >> # id root >> uid=0(root) gid=0(root) groupes=123(hadoop),0(root) >> >> Both my hdfs user (superuser by default) and my root user are in group >> hadoop. >> >> In hdfs-site.xml I have: >> <property> >> <name>dfs.permissions.superusergroup</name> >> <value>hadoop</value> >> <description>The name of the group of super-users.</description> >> </property> >> >> I tried running refreshServiceAcl and >> refreshSuperUserGroupsConfiguration as hdfs, but I still have the error: >> root# hadoop dfsadmin -report >> report: org.apache.hadoop.security.AccessControlException: Access denied >> for user root. Superuser privilege is required >> >> Has anyone an idea? >> >> Thanks! >> >> Olivier >> >> -- >> >> gpg key id: 4096R/326D8438 (keyring.debian.org) >> Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438 >> >> >> -- Olivier Sallou IRISA / University of Rennes 1 Campus de Beaulieu, 35000 RENNES - FRANCE Tel: 02.99.84.71.95 gpg key id: 4096R/326D8438 (keyring.debian.org) Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438
