JAVA path error in hadoop

Question

I installed hadoop watching a youtube video. while I try to run this in terminal it gives me this error

$ /usr/local/hadoop-2.6.0/bin/hadoop     version
/usr/local/hadoop-2.6.0/bin/hadoop: line 144:     /usr/iib/java/jdk1.8.0_31/bin//bin/java: No such file or directory

I have java in /usr/lib/java/jdk1.8.0_31/bin/ but I dont know why the error is showing a different path.

I have setup the path in hadoop-env.sh like this

JAVA_HOME=/usr/iib/java/jdk1.8.0_31/bin/
export JAVA_HOME=${JAVA_HOME}

I did the same in .bashrc

export HADOOP_HOME=/usr/local/hadoop-2.6.0/bin/hadoop
JAVA_HOME=/usr/iib/java/jdk1.8.0_31/bin
export JAVA_HOME
PATH=$PATH:$JAVA_HOME
export PATH

Please help me. if you need any extra info please ask.

laalto · Accepted Answer · 2015-01-24 13:02:36Z

2

Your JAVA_HOME should point to /usr/iib/java/jdk1.8.0_31 and not the bin folder under it.

Also, usually it would be lib and not iib.

The PATH should include the $JAVA_HOME/bin, though.

edited Jan 24, 2015 at 13:02

answered Jan 24, 2015 at 12:40

laalto

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5 Comments

Srimanth Over a year ago

I changed as you said but it still giving me this error: srimanth@srimanth-Inspiron-N5110:~$ /usr/local/hadoop-2.6.0/bin/hadoop version /usr/local/hadoop-2.6.0/bin/hadoop: line 144: /usr/iib/java/jdk1.8.0_31/bin/java: No such file or directory

laalto Over a year ago

So make sure JAVA_HOME points to the directory where you actually have a Java installation

Srimanth Over a year ago

in usr/lib/java/jdk1.8.0_31/bin/ there are java,javac,javaws etc files are there

laalto Over a year ago

Is it really "iib" and not "lib"?

Srimanth Over a year ago

now its working well and fine . thank you so much :D

SMA · Accepted Answer · 2015-01-24 12:40:56Z

0

You need to change JAVA_HOME from:

JAVA_HOME=/usr/iib/java/jdk1.8.0_31/bin/

TO

JAVA_HOME=/usr/iib/java/jdk1.8.0_31

i.e. Remove bin directory from JAVA_HOME variable.

And change PATH from:

PATH=$PATH:$JAVA_HOME

TO

PATH=$PATH:$JAVA_HOME/bin

answered Jan 24, 2015 at 12:40

SMA

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2 Comments

Srimanth Over a year ago

I changed as you said but it still giving me this error srimanth@srimanth-Inspiron-N5110:~$ /usr/local/hadoop-2.6.0/bin/hadoop version /usr/local/hadoop-2.6.0/bin/hadoop: line 144: /usr/iib/java/jdk1.8.0_31/bin/java: No such file or directory

Srimanth Over a year ago

thank you man. its a typo mistake I wrote "iib" instead of "lib" :)

Bessie.LN · Accepted Answer · 2018-03-06 06:16:53Z

0

Ok. I saw you problem.you may be no install jdk or your jdk's path is wrong. now you can test it :

test you jdk location: whereis java
found your path and type it:export JAVA_HOME=/usr/iib/java/jdk1.8.0_31/
export JRE_HOME=/usr/iib/java/jdk1.8.0_31 export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$ClASSPATH export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

done it .Then you type hadoop path all type in ~/.bashrc

answered Mar 6, 2018 at 6:16

Bessie.LN

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