can we change the path of java installed folder?how?

Question

I am learning Hadoop. On my windows system java is installed at C:/Program files/Java , but the problem is, I believe the white space in program files.

After setting all hadoop configuration files, When I run the command namenode format it give the following error.

$ bin/hadoop namenode -format bin/hadoop: line 350: C:\Program
Files\Java\jdk1.7.0_71/bin/java: No such file or directory

So is there any way by which i can change the java folder location to C:/Java from C:/Program files/Java

Thanks.

You can copy "C:\Program Files\Java\jdk1.7.0_71" to "C:\Java\jdk1.7.0_71" directly and update your JAVA_HOME and PATH env variable according to the new path. — Mahendra
– Mahendra, Commented Feb 26, 2016 at 7:06
Per my understanding Hadoop will only look for JAVA_HOME env variable and java in PATH , not for any registry entry. So for Hadoop purpose registry updation can be ignored. — Mahendra
– Mahendra, Commented Feb 26, 2016 at 9:49
You need to use regedit to find the entries with the old path and edit them. (Welcome to Windows ;) — Peter Lawrey
– Peter Lawrey, Commented Feb 26, 2016 at 11:33

Loic Mouchard · Accepted Answer · 2016-02-26 08:09:26Z

1

If you do not want to move your java installation, you can try following possibilities:

set your java path within quotation
use the ~ operand -> your path is then C:\Program~1\Java\jdk1.7.0_71

answered Feb 26, 2016 at 8:09

Loic Mouchard

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akshay naidu Over a year ago

copy pasted the java folder in desired manner and updated the env variable and it worked fine. and yes i'll see if using '~' will work or not. thanks

akshay naidu · Accepted Answer · 2016-07-02 10:50:59Z

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copy pasting the java folder to C:/Java from C:/Program files/Java and updating the environment variables with new path worked for me

edited Jul 2, 2016 at 10:50

answered Feb 26, 2016 at 11:39

akshay naidu

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