Are RHEL7 based OSs supported?
On Wed, Oct 29, 2014 at 3:59 PM, David Novogrodsky < david.novogrod...@gmail.com> wrote: > All, > > I am new to Hadoop so any help would be appreciated. > > I have a question for the mailing list regarding Hadoop. I have installed > the most recent stable version (2.4.1) on a virtual machine running CentOS > 7. I have tried to run this command > %>Hadoop -fs ls but without success. > > The question is, what does Hadoop consider a valid JAVA_HOME directory? > And where should the JAVA_HOME directory variable be defined? I installed > Java using the package manager yum. I installed the most recent version, > detailed below. > > > T > his is in my .bashrc file > # The java implementation to use. > export JAVA_HOME=/usr/lib/jvm/jre-1.7.0-openjdk.x86_64 > > > [david@localhost ~]$ hadoop fs -ls > /usr/local/hadoop/bin/hadoop: line 133: > /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java: No such file or directory > > > then I tried this value for JAVA_HOME > in my .bashrc file. > /usr/bin/Java. > > [david@localhost ~]$ which java > /usr/bin/java > [david@localhost ~]$ java -version > java version "1.7.0_71" > OpenJDK Runtime Environment (rhel-2.5.3.1.el7_0-x86_64 u71-b14) > OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode) > > here is the result: > [david@localhost ~]$hadoop fs -ls > /usr/local/hadoop/bin/hadoop: line 133: /usr/bin/java/bin/java: Not a > directory > /usr/local/hadoop/bin/hadoop: line 133: exec: /usr/bin/java/bin/java: > cannot execute: Not a directory > > David Novogrodsky > > >
