After upgrading to a newer version of Mac OS X (Yosemite 10.10 and El Capitan 10.11) or macOS (Sierra 10.12 and High Sierra 10.13), you may end up getting an annoying new pop-up message whenever you start your computer. It says, “To use the java command-line tool, you need to install a JDK.” It asks you to click “More Info” and visit the JDK (Java Developer Kit) download website.
How to change Java (JVM) version in Mac OS? Recently, I had an issue to change my default JVM version in my Mac machine. I want to provide steps to change java version with Mac OS. Use below command to check current default java version. Download the Eclipse Installer. Eclipse is hosted on many mirrors around the world.
The reason you’re receiving this message is due to the removal of Java support in newer versions of OS X for security reasons. Older software such as Adobe Photoshop and Illustrator requires legacy Java support. Without a compatible Java command-line tool for these software, you’ll get this pop-up every time you turn on your Mac computer.
When you visit the download website to update Java, you find that the issue isn’t resolved! You’re still getting the same pop-up. This isn’t a complicated issue to fix, but it is an indirect one. The problem is that you’re not being routed to the correct download website when you click “More Info.”
Apple could have remedied this issue by programming the “More Info” button to direct you to the right fix. Here are the steps you can take to finally rid yourself of this pop-up:
Fix Java Command-Line Tool Pop-Up on Mac OS X
Download Eclipse Mac Java
- Download Java for OS X 2017-001 aka Apple’s version of Legacy Java Command-line tool.
- Mount the .dmg disk image file and install Java 6 runtime for OS X.
- Restart your Mac and enjoy the absence of this Java command-line tool error pop-up!
Download Eclipse Java On Mac
Question or issue on macOS:
I want to use the JRE 1.7 that I downloaded from Oracle website.
So I correctly install the .pkg file, and when I try /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java -version in the terminal I get this :
But in Eclipse I can’t use anything else than JRE 1.6. When I go in Properties > Java Build Path > Add Library > JRE System Library, I can’t find the 1.7 (there is only option for it : JavaSE-1.7 (unbound) with this issue :
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How to solve this problem?
Solution no. 1:
Eclipse Download For Java 1.8
The download from java.com which installs in /Library/Internet Plug-Ins is only the JRE, for development you probably want to download the JDK from http://www.oracle.com/technetwork/java/javase/downloads/index.html and install that instead. This will install the JDK at /Library/Java/JavaVirtualMachines/jdk1.7.0_<something>.jdk/Contents/Home which you can then add to Eclipse via Preferences -> Java -> Installed JREs.
Solution no. 2:
Try editing your eclipse.ini file and add the following at the top
Of course the path may be slightly different, looks like I have an older version…
I’m not sure if it will add itself automatically. If not go into
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Preferences –> Java –> Installed JREs
Click Add and follow the instructions there to add it
Solution no. 3:
You need to tell Eclipse which JDK/JRE’s you have installed and where they are located.
This is somewhat burried in the Eclipse preferences: In the Window-Menu select “Preferences”. In the Preferences Tree, open the Node “Java” and select “Installed JRE’s”. Then click on the “Add”-Button in the Panel and select “Standard VM”, “Next” and for “JRE Home” click on the “Directory”-Button and select the top level folder of the JDK you want to add.
Its easier than the description may make it look.