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From "Jianfeng (Jeff) Zhang" <jzh...@hortonworks.com>
Subject Re: Hadoop 2.6 issue
Date Wed, 01 Apr 2015 07:32:59 GMT

Try to export JAVA_HOME in hadoop-env.sh


Best Regard,
Jeff Zhang


From: Anand Murali <anand_vihar@yahoo.com<mailto:anand_vihar@yahoo.com>>
Reply-To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>" <user@hadoop.apache.org<mailto:user@hadoop.apache.org>>,
Anand Murali <anand_vihar@yahoo.com<mailto:anand_vihar@yahoo.com>>
Date: Wednesday, April 1, 2015 at 2:28 PM
To: "user@hadoop.apache.org<mailto:user@hadoop.apache.org>" <user@hadoop.apache.org<mailto: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, Mylapore
Chennai - 600 004, India
Ph: (044)- 28474593/ 43526162 (voicemail)

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