How to set the JDK Netbeans runs on?

2018-06-23 18:42:38

I have older NB6.7, NB6.9, NB7.0, which used to run on jdk1.6.0_21 and jdk1.6.0_25. Now I've removed those JDKs and only have jdk1.6.0_26 and jdk1.7.0 left, but I still want to keep the older NBs, but now when I run them, I get this message:

"Cannot locate java installation in specified jdkhome C:Program Files (x86)Javajdk1.6.0_25 Do you want to try to use default version ?"

I tried to find where it's looking for the "jdk1.6.0_25", and updated a few config files in "C:Program Files (x86)NetBeans 6.7" and "C:UsersUSER.nbiregistry.xml", and yet the message keeps coming, my question is, where and what do I need to change to point it to: C:Program Files (x86)Javajdk1.6.0_26 ?

Thanks to KasunBG's tip, I found the solution in the "suggested" link, update the following file (replace 7.x with your Netbeans version) :

C:Program FilesNetBeans 7.xetcnetbeans.conf

Change the following line to point it where your java installation is :

netbeans_jdkhome="C:Program FilesJavajdk1.7xxxxx"

You may need Administrator privileges to edit netbeans.conf

Go to Tools -> Java Platforms . There, click on Add Platform, point it to C:Program Files (x86)Javajdk1.6.0_25 . You can either set the another JDK version or remove existing versions.

Another solution suggested in the oracle (sun) site is,

netbeans.exe --jdkhome "C:Program Filesjdk1.6.0_20"

I tried this on 6.9.1. You may change the JDK per project as well. You need to set the available JDKs via Java Platforms dialog. Then, go to Run -> Set Project Configuration -> Customize . After that, in the opened Dialog box go to Build -> Compile . Set the version.

For those not using Windows the file to change is netbeans-8.0/etc/netbeans.conf

and the line(s) to change is:

netbeans_jdkhome="/usr/lib/jvm/java-8-oracle"

commenting out the old value and inserting the new value

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