Hi Harsh, Thank you very much for your reply, got it!
Thanks ac On 26 Nov 2012, at 8:32 PM, Harsh J wrote: > Secure DN needs to be started as root (it runs as proper user, but > needs to be started as root to grab reserved ports), and needs a > proper jsvc binary (for your arch/OS) available. Are you using > tarballs or packages (and if packages, are they from Bigtop)? > > On Mon, Nov 26, 2012 at 5:21 PM, a...@hsk.hk <a...@hsk.hk> wrote: >> Hi, >> >> I am setting up HDFS security with Kerberos: >> When I manually started the first datanode, I got the following messages >> (the namenode is started): >> >> 1) INFO org.apache.hadoop.security.UserGroupInformation: Login successful >> for user .... >> 2) ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: >> java.lang.RuntimeException: Cannot start secure cluster without privileged >> resources. >> >> OS: Ubuntu 12.04 >> Hadoop: 1.0.4 >> >> It seems that it could login successfully but something is missing >> Please help! >> >> Thanks >> >> >> >> > > > > -- > Harsh J