Cannot find java Please use the --jdkhome switch

Question

I have just installed Netbeans 8 0 2 on CentOS 6 5   When I try to run it  I get the message  Cannot find java  Please use the --jdkhome switch   I have  usr share java-1 7 0  so I typed   usr local netbeans-8 0 2 bin netbeans --jdkhome  usr share java-1 7 0   and still got  Cannot find java  Please use the --jdkhome switch   I also have  root Downloads jdk1 8 0 40 which allowed me to install Netbeans   However  when I type       usr local netbeans-8 0 2 bin netbeans --jdkhome  root Downloads jdk1 8 0 40   I still get  Cannot find java  Please use the --jdkhome switch   I tried  whereis java   and got  java   usr bin java  etc java  usr lib java  usr share java  usr share man man1 java 1 gz   However   usr local netbeans-8 0 2 bin netbeans --jdkhome  usr bin java   still produces  Cannot find java  Please use the --jdkhome switch

User · Accepted Answer

I do recommend you to change the configuration of JDK used by NetBeans in netbeans conf config file   netbeans jdkhome  C  Program Files Java

User · Answer

ATTENTION MAC OS USERS    First  please remember that in a Mac computer the netbeans conf file is stored at   Applications NetBeans NetBeans 8 2 app Contents Resources NetBeans etc netbeans conf    if you had used the default installation package    Then  also remember that the directory you MUST use on either  netbeans jdkhome  or  --jdkhome  it s NOT the  Library Java JavaVirtualMachines jdk1 8 0 172 jdk  but the following one    Library Java JavaVirtualMachines jdk1 8 0 172 jdk Contents Home    lt -- Please  notice the  Contents Home at the end  That s the  trick     Note  of course  you must change the versions for both NetBeans and JDK you re using

User · Answer

If like me  you got that message after installing jenv  simply add netbeans jdkhome   JAVA HOME  to your  netbeans-installation-directory  etc netbeans conf file

User · Answer

Go to the netbeans installation directory Find configuration file  installation-directory  etc netbeans conf towards the end find the line netbeans jdkhome     comment this line line using     now run netbeans  launcher will find jdk itself  from  JDK HOME  JAVA HOME  environment variable   example   sudo vim  usr local netbeans-8 2 etc netbeans conf

User · Answer

In my case  I had installed  ahem  OpenJDK  but the bin folder was full of symlinks to the bundled JRE and the actual JDK was nowhere to be found   When I see a directory structure with bin and jre subdirectories I expect this to be the JDK installation  because JRE installations on Windows looked different  But in this case it was the JRE installation as found out by apt search  After installing openjdk-8-jre the simlinks were replaced and the directory structure otherwise stayed the same

User · Answer

Try Java SE Runtime Environment 8  It fixed it for me

User · Answer

Check the setting in your user config  home username  netbeans version etc netbeans conf  I had the problem where I was specifying the location globally  but my user setting was overriding the global setting   CentOS 7 Netbeans 8 1

User · Answer

NetBeans 8 2 - Cannot locate java installation in specified jdkhome   Answer  Edit the netbeans conf file   Close NetBeans  start Notepad or another text editor as Administrator  Right click on the Notepad application and choose  Run as administrator  and then open netbeans conf with it  Change netbeans jdkhome    C  Program Files   whatever

User · Answer

With the Netbeans 10  commenting out the netbeans jdkhome setting in     etc netbeans conf doesn t do the job anymore  It is necessary to specify the right directory depending of 32 64 bitness   E g  for 64 bit application  netbeans jdkhome  C  Program Files AdoptOpenJDK jdk8u202-b08

User · Answer

What worked for me is    make sure java path is available      which java  usr bin java    then in etc netbeans conf make sure netbeans jdkhome is commented out in Finder go to  bin  click on netbeans  terminal icon    You would expect   netbeans --jdkhome  usr bin java to work  but it doesn t for some reason

[java] Cannot find java. Please use the --jdkhome switch

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