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From "Andrei Savu (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (WHIRR-445) JAVA_HOME is not set / exported by the install script
Date Thu, 15 Dec 2011 09:08:30 GMT

     [ https://issues.apache.org/jira/browse/WHIRR-445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrei Savu updated WHIRR-445:
------------------------------

    Fix Version/s: 0.8.0
    
> JAVA_HOME is not set / exported by the install script
> -----------------------------------------------------
>
>                 Key: WHIRR-445
>                 URL: https://issues.apache.org/jira/browse/WHIRR-445
>             Project: Whirr
>          Issue Type: Bug
>         Environment: My laptop:
> ---------
> Ubuntu 11.10 Oneiric Ocelot
> Hadoop-0.20.2-cdh3u2
> Apache Whirr 0.5.0-cdh3u2
> =========================================
> whirr config:
> --------------
> # 32-bit Ubuntu 10.04 LTS instance
> whirr.hardware-id=m1.small
> whirr.image-id=us-east-1/ami-6936fb00
> whirr.location-id=us-east-1
> whirr.hadoop.install-function=install_cdh_hadoop
> whirr.hadoop.configure-function=configure_cdh_hadoop
> whirr.instance-templates=1 hadoop-namenode+hadoop-jobtracker,2 hadoop-datanode+hadoop-tasktracker
> whirr.provider=aws-ec2
> whirr.identity=${env:AWS_ACCESS_KEY_ID} 
> whirr.credential=${env:AWS_SECRET_ACCESS_KEY}
> whirr.private-key-file=${sys:user.home}/.ssh/id_rsa_whirr
> whirr.public-key-file=${sys:user.home}/.ssh/id_rsa_whirr.pub
>            Reporter: Srivathsan Srinivas
>            Priority: Trivial
>             Fix For: 0.8.0
>
>
> JAVA_HOME is not set on the master node in EC2 after launching the cluster. After ssh-ing
into the masternode as root, I had to edit the .bashrc file and source it. See below for sample
output:
> sri@PeriyaData:~$ ssh -i ~/.ssh/id_rsa_whirr jtv@ec2-174-129-76-176.compute-1.amazonaws.com
> The authenticity of host 'ec2-174-129-76-176.compute-1.amazonaws.com (174.129.76.176)'
can't be established.
> RSA key fingerprint is bd:ba:56:2b:a1:2f:8e:c8:d1:5c:94:23:f7:1a:d2:c0.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added 'ec2-174-129-76-176.compute-1.amazonaws.com,174.129.76.176'
(RSA) to the list of known hosts.
> Linux ip-10-72-231-30 2.6.32-318-ec2 #38-Ubuntu SMP Thu Sep 1 17:54:33 UTC 2011 i686
GNU/Linux
> Ubuntu 10.04.3 LTS
> Welcome to Ubuntu!
>  * Documentation:  https://help.ubuntu.com/
>   System information as of Wed Dec  7 21:18:45 UTC 2011
>   System load:  0.01             Processes:           66
>   Usage of /:   9.8% of 9.84GB   Users logged in:     0
>   Memory usage: 14%              IP address for eth0: 10.72.231.30
>   Swap usage:   0%
>   Graph this data and manage this system at https://landscape.canonical.com/
> ---------------------------------------------------------------------
> At the moment, only the core of the system is installed. To tune the 
> system to your needs, you can choose to install one or more          
> predefined collections of software by running the following          
> command:                                                             
>                                                                      
>    sudo tasksel --section server                                     
> ---------------------------------------------------------------------
> Get cloud support with Ubuntu Advantage Cloud Guest
>   http://www.ubuntu.com/business/services/cloud
> Last login: Wed Dec  7 21:15:08 2011 from 108-90-42-72.lightspeed.sntcca.sbcglobal.net
> jtv@ip-10-72-231-30:~$ java -version
> java version "1.6.0_26"
> Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
> Java HotSpot(TM) Client VM (build 20.1-b02, mixed mode, sharing)
> jtv@ip-10-72-231-30:~$ sudo su
> root@ip-10-72-231-30:/home/users/jtv# 
> root@ip-10-72-231-30:/home/users/jtv# 
> root@ip-10-72-231-30:/home/users/jtv# hadoop
> Usage: hadoop [--config confdir] COMMAND
> where COMMAND is one of:
>   namenode -format     format the DFS filesystem
>   secondarynamenode    run the DFS secondary namenode
>   namenode             run the DFS namenode
>   datanode             run a DFS datanode
>   dfsadmin             run a DFS admin client
>   mradmin              run a Map-Reduce admin client
>   fsck                 run a DFS filesystem checking utility
>   fs                   run a generic filesystem user client
>   balancer             run a cluster balancing utility
>   jobtracker           run the MapReduce job Tracker node
>   pipes                run a Pipes job
>   tasktracker          run a MapReduce task Tracker node
>   job                  manipulate MapReduce jobs
>   queue                get information regarding JobQueues
>   version              print the version
>   jar <jar>            run a jar file
>   distcp <srcurl> <desturl> copy file or directories recursively
>   archive -archiveName NAME <src>* <dest> create a hadoop archive
>   daemonlog            get/set the log level for each daemon
>  or
>   CLASSNAME            run the class named CLASSNAME
> Most commands print help when invoked w/o parameters.
> root@ip-10-72-231-30:/home/users/jtv# hadoop version
> Error: JAVA_HOME is not set.
> root@ip-10-72-231-30:/home/users/jtv# 
> *****LAST FEW LINES OF BASHRC FILE ***********
> # enable programmable completion features (you don't need to enable
> # this, if it's already enabled in /etc/bash.bashrc and /etc/profile
> # sources /etc/bash.bashrc).
> #if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
> #    . /etc/bash_completion
> #fi
> export HADOOP_HOME=/usr/local/hadoop-0.20.2
> export PATH=$JAVA_HOME/bin:$HADOOP_HOME/bin:$PATH
> ------------------------------------------------------------------------
> root@ip-10-72-231-30:/home/users/jtv# cd /usr/lib/jvm
> root@ip-10-72-231-30:/usr/lib/jvm# ls -l
> total 4
> lrwxrwxrwx 1 root root   19 2011-12-07 21:10 java-6-sun -> java-6-sun-1.6.0.26
> drwxr-xr-x 8 root root 4096 2011-12-07 21:10 java-6-sun-1.6.0.26
> root@ip-10-72-231-30:/usr/lib/jvm# 
> FIX: I added a line "export JAVA_HOME=/usr/lib/jvm/java-6-sun" in .bashrc and sourced
it.
> root@ip-10-72-231-30:/usr/lib/jvm# source ~/.bashrc
> root@ip-10-72-231-30:/usr/lib/jvm# hadoop version
> Hadoop 0.20.2
> Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707
> Compiled by chrisdo on Fri Feb 19 08:07:34 UTC 2010
> root@ip-10-72-231-30:/usr/lib/jvm#

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