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From Anand Murali <anand_vi...@yahoo.com>
Subject Re: Hadoop 2.6 issue
Date Wed, 01 Apr 2015 11:22:46 GMT
Dear Mr.Roland:
The alternatives command errors out. I have the extracted version of the Oracle JDK7. However
I am ignorant regarding its installation on Ubuntu. Can you point me to installation material
so that I can look up and try.
Thanks
Regards,
 Anand Murali  11/7, 'Anand Vihar', Kandasamy St, MylaporeChennai - 600 004, IndiaPh: (044)-
28474593/ 43526162 (voicemail) 


     On Wednesday, April 1, 2015 4:33 PM, Roland DePratti <roland.depratti@cox.net>
wrote:
   

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ol {margin-bottom:0in;}#yiv4496133200 ul {margin-bottom:0in;}#yiv4496133200 Anand,  My guess
is that your alternatives setup isn’t complete.  At a prompt, as su, run the command ‘alternatives
- - config java’. Make sure that the oracle version is listed and is marked as the active
one.   If it is not, go through the steps to make sure it is.  -          rd  From:
Anand Murali [mailto:anand_vihar@yahoo.com] 
Sent: Wednesday, April 01, 2015 5:42 AM
To: user@hadoop.apache.org
Subject: Re: Hadoop 2.6 issue  I continue to get the samede error.I  export JAVA_HOME=/home/anand_vihar/jdk1.0.7_u75
(in hadoop-env.sh)    when I echo $JAVA_HOME it shows me the above path but when I $java
-version, it gives me openjdk version  start-dfs.sh ....... errors out saying JAVA_HOME not
set., but echo shows JAVA_HOME. Strange !!    Regards, Anand Murali  11/7, 'Anand Vihar',
Kandasamy St, MylaporeChennai - 600 004, IndiaPh: (044)- 28474593/ 43526162 (voicemail)  
 On Wednesday, April 1, 2015 2:22 PM, Anand Murali <anand_vihar@yahoo.com> wrote:  Ok
thanks. Shall do

Sent from my iPhone
On 01-Apr-2015, at 2:19 pm, Ram Kumar <ramkumar.bashyam@gmail.com> wrote:
Anand,Try Oracle JDK instead of Open JDK.Regards,Ramkumar Bashyam  On Wed, Apr 1, 2015 at
1:25 PM, Anand Murali <anand_vihar@yahoo.com> wrote:Tried export in hadoop-env.sh. Does
not work either Anand Murali  11/7, 'Anand Vihar', Kandasamy St, MylaporeChennai - 600
004, IndiaPh: (044)- 28474593/ 43526162 (voicemail)    On Wednesday, April 1, 2015 1:03
PM, Jianfeng (Jeff) Zhang <jzhang@hortonworks.com> wrote:    Try to export JAVA_HOME
in hadoop-env.sh    Best Regard,Jeff Zhang    From: Anand Murali <anand_vihar@yahoo.com>
Reply-To: "user@hadoop.apache.org" <user@hadoop.apache.org>, Anand Murali <anand_vihar@yahoo.com>
Date: Wednesday, April 1, 2015 at 2:28 PM
To: "user@hadoop.apache.org" <user@hadoop.apache.org>
Subject: Hadoop 2.6 issue  Dear All:  I am unable to start Hadoop even after setting HADOOP_INSTALL,JAVA_HOME
and JAVA_PATH. Please find below error message  anand_vihar@Latitude-E5540:~/hadoop-2.6.0$
start-dfs.sh --config /home/anand_vihar/hadoop-2.6.0/conf
Starting namenodes on [localhost]
localhost: Error: JAVA_HOME is not set and could not be found.
cat: /home/anand_vihar/hadoop-2.6.0/conf/slaves: No such file or directory
Starting secondary namenodes [0.0.0.0]
0.0.0.0: Error: JAVA_HOME is not set and could not be found.    
anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $JAVA_HOME
/usr/lib/jvm/java-1.7.0-openjdk-amd64
anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $HADOOP_INSTALL
/home/anand_vihar/hadoop-2.6.0
anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $PATH
:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/anand_vihar/hadoop-2.6.0/bin:/home/anand_vihar/hadoop-2.6.0/sbin:/usr/lib/jvm/java-1.7.0-openjdk-amd64:/usr/lib/jvm/java-1.7.0-openjdk-amd64
anand_vihar@Latitude-E5540:~/hadoop-2.6.0$   I HAVE MADE NO CHANGES IN HADOOP_ENV.sh and
run it succesfully.    Core-site.xml<?xml version="1.0"?>
<!--core-site.xml-->
<configuration>
    <property>
        <name>fs.default.name</name>
        <value>hdfs://localhost/</value>
    </property>
</configuration>  HDFS-site.xml<?xml version="1.0"?>
<!-- hdfs-site.xml -->
<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>  Mapred-site.xml<?xml version="1.0"?>
<!--mapred-site.xml-->
<configuration>
    <property>
        <name>mapred.job.tracker</name>
        <value>localhost:8021</value>
    </property>
</configuration>  Shall be thankful, if somebody can advise.  Regards,  Anand Murali  11/7,
'Anand Vihar', Kandasamy St, MylaporeChennai - 600 004, IndiaPh: (044)- 28474593/ 43526162
(voicemail)    
  

  
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