Switching the version of java used


 
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# 1  
Old 06-17-2015
Switching the version of java used

Hello, I'm trying to run a program that needs java 7, but java 6 is in the default folder and I don't have permission to change the /usr/bin/java folder and change the version.

I have java 7 downloaded in a different folder (~/java) and am wondering how I can use that version while running the other program. The command line entry for the other program doesn't include any mention of java.

Thank you very much and let me know if more information would be helpful!

Last edited by Jautis; 06-17-2015 at 12:09 PM.. Reason: clarity
# 2  
Old 06-17-2015
Probably you will just need to alter the PATH for the program.

Code:
PATH=/home/myhome/java/bin:$PATH otherprogram

Note: you may have adjust some other environment variables depending on what "otherprogram" needs.

Some Linux based distributions provide something called "alternatives" which is a way of switching the "default" version of a particular program when multiple versions are installed. But the idea is to not switch this all of the time...

See if you can:

man alternatives

and

man update-alternatives
 
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