How to set the JDK Netbeans runs on

Question

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  Java jdk1 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  Users USER nbi registry 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  Java jdk1 6 0 26

User · Answer

All the other answers have described how to explicitly specify the location of the java platform, which is fine if you really want to use a specific version of java. However, if you just want to use the most up-to-date version of jdk, and you have that installed in a "normal" place for your operating system, then the best solution is to NOT specify a jdk location. Instead, let the Netbeans launcher search for jdk every time you start it up.

To do this, do not specify jdkhome on the command line, and comment out the line setting netbeans_jdkhome variable in any netbeans.conf files. (See other answers for where to look for these files.)

If you do this, when you install a new version of java, your netbeans will automagically use it. In most cases, that's probably exactly what you want.

User · Answer

I had this message too because today i decided to relocate my different jdk in the same directory  I have decided to uninstall all through program manager of window  After that  of course i had the message below     Cannot locate java installation in specified jdkhome C  Program Files  x86  Java jdk1 7 0 60 Do you want to try to use default version      A new install of the jdk does not resolve the problem  Ok you can configure that in menu Tool   java platforms but in my case i had to fix my netbeans conf   i had the line below  netbeans jdkhome  C  Program Files Java jdk1 7 0 60    and i replace it by   netbeans jdkhome  C  devtools Java jdk1 8 0 25

User · Answer

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 Files NetBeans 7 x etc netbeans conf   Change the following line to point it where your java installation is    netbeans jdkhome  C  Program Files Java jdk1 7xxxxx    You may need Administrator privileges to edit netbeans conf

User · Answer

IN windows open cmd  go to directory where your netbeans downloaded   then run below command JDK path may be different from the path I mentioned  netbeans-8 2-windows exe --javahome  C  Program Files Java jdk-9 0 1   if you face issue in existing installed in netbeans you can find details in here

User · Answer

As a further useful solution for those of you on Windows 7 and above - if you use   C  Program Files Java gt mklink  D jdk8 jdk1 8 0 25   you get a Symbolic Link folder that can be adjusted whenever a new JDK comes out   All you need to do then is set your  netbeans jdkhome  C  Program Files Java jdk8     in both locations for Netbeans 8  and you never have to edit the config again  Just tweak the symlink each time your JDK is updated

User · Answer

Go to Tools -  Java Platforms  There  click on Add Platform  point it to  C  Program Files  x86  Java jdk1 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 Files jdk1 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

User · Answer

It does not exactly answer your question  but to get around the problem     you can either create a  cmd file with following content   start netbeans --jdkhome c  path to jdk or in the shortcut of Netbeans set the above option

User · Answer

Where you already have a project in NetBeans and you wish to change the compiler  e g  from  1 7 to 1   then you would need to also change the Java source compiler for that project    Right-click on the project and choose properties as outlined below     Then check that the project has the necessary source circled below     then check that the Java compiler is correct for the project

User · Answer

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

[java] How to set the JDK Netbeans runs on?

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