hadoop environment variable for example :
echo "
export HADOOP_HOME=/usr/lib/hadoop
export HADOOP_HDFS_HOME=/usr/lib/hadoop-hdfs
export HADOOP_MAPRED_HOME=/usr/lib/hadoop-mapreduce
#export HADOOP_MAPRED_HOME=/usr/lib/hadoop-0.20-mapreduce
export HADOOP_COMMON_HOME=\${HADOOP_HOME}
export HADOOP_LIBEXEC_DIR=\${HADOOP_HOME}/libexec
export HADOOP_CONF_DIR=\${HADOOP_HOME}/etc/hadoop
export HDFS_CONF_DIR=\${HADOOP_HOME}/etc/hadoop
export HADOOP_YARN_HOME=/usr/lib/hadoop-yarn
export YARN_CONF_DIR=\${HADOOP_HOME}/etc/hadoop
export HADOOP_COMMON_LIB_NATIVE_DIR=\${HADOOP_HOME}/lib/native
export LD_LIBRARY_PATH=\${HADOOP_HOME}/lib/native
export HADOOP_OPTS=\"\${HADOOP_OPTS}
-Djava.library.path=\${HADOOP_HOME}/lib:\${LD_LIBRARY_PATH}\"
export PATH=\${HADOOP_HOME}/bin:\${HADOOP_HOME}/sbin:\$PATH
">> ~/.bashrc
. ~/.bashrc
> On Nov 24, 2014, at 21:25, Anand Murali <[email protected]> wrote:
>
> Dear All:
>
> After hadoop namenode -format I do the following with errors.
>
> anand_vihar@linux-v4vm:~/hadoop/etc/hadoop> hadoop start-dfs.sh
> Error: Could not find or load main class start-dfs.sh
> anand_vihar@linux-v4vm:~/hadoop/etc/hadoop> start-dfs.sh
> Incorrect configuration: namenode address dfs.namenode.servicerpc-address or
> dfs.namenode.rpc-address is not configured.
> Starting namenodes on [2014-11-24 18:47:27,717 WARN [main]
> util.NativeCodeLoader (NativeCodeLoader.java:<clinit>(62)) - Unable to load
> native-hadoop library for your platform... using builtin-java classes where
> applicable]
> Error: Cannot find configuration directory: /etc/hadoop
> Error: Cannot find configuration directory: /etc/hadoop
> Starting secondary namenodes [2014-11-24 18:47:28,457 WARN [main]
> util.NativeCodeLoader (NativeCodeLoader.java:<clinit>(62)) - Unable to load
> native-hadoop library for your platform... using builtin-java classes where
> applicable
> 0.0.0.0]
> Error: Cannot find configuration directory: /etc/hadoop
>
> But in my hadoop-env.sh I have set
>
> export JAVA_HOME=/usr/lib64/jdk1.7.1_71/jdk7u71
> export HADOOP_HOME=/anand_vihar/hadoop
> export PATH=:PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HADOOP_HOME/share
>
> Would anyone know how to fix this problem.
>
> Thanks
>
> Regards,
>
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
> On Monday, November 24, 2014 6:30 PM, Anand Murali <[email protected]>
> wrote:
>
>
> it works thanks
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
> On Monday, November 24, 2014 6:19 PM, Anand Murali <[email protected]>
> wrote:
>
>
> Ok. Many thanks I shall try.
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
> On Monday, November 24, 2014 6:13 PM, Rohith Sharma K S
> <[email protected]> wrote:
>
>
> The problem is with setting JAVA_HOME. There is .(Dot) before /usr which
> cause append current directory.
> export JAVA_HOME=./usr/lib64/jdk1.7.0_71/jdk7u71
>
> Do not use .(Dot) before /usr.
>
> Thanks & Regards
> Rohith Sharma K S
>
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>
> From: Anand Murali [mailto:[email protected]]
> Sent: 24 November 2014 17:44
> To: [email protected]; [email protected]
> Subject: Hadoop Installation Path problem
>
> Hi All:
>
>
> I have done the follwoing in hadoop-env.sh
>
> export JAVA_HOME=./usr/lib64/jdk1.7.0_71/jdk7u71
> export HADOOP_HOME=/home/anand_vihar/hadoop
> export PATH=:$PATH:$JAVA_HOME:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
>
> Now when I run hadoop-env.sh and type hadoop version, I get this error.
>
> /home/anand_vihar/hadoop/bin/hadoop: line 133:
> /home/anand_vihar/hadoop/etc/hadoop/usr/lib64/jdk1.7.0_71/jdk7u71/bin/java:
> No such file or directory
> /home/anand_vihar/hadoop/bin/hadoop: line 133: exec:
> /home/anand_vihar/hadoop/etc/hadoop/usr/lib64/jdk1.7.0_71/jdk7u71/bin/java:
> cannot execute: No such file or directory
>
>
> Can somebody advise. I have asked this to many people, they all say the
> obvious path problem, but where I cannot debug. This has become a show
> stopper for me. Help most welcome.
>
> Thanks
>
> Regards
>
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
