Next, I downloaded jre-9_osx-圆4_ and uncompressed it. Apparently, Oracle’s installer installs the JRE to support Java applets in web browsers, but not to support applications. Still no “jre” subfolder in /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/, where it should be, and still no JRE listed in LO > Preferences > Advanced. I then downloaded the latest JRE for macOS (jre-9_osx-圆4_bin.dmg) from Oracle’s website and ran that installer. In LibreOffice > Preferences > Advanced, I checked “Use a Java runtime environment”, but no JRE was listed below under “Vendor/Version/Features.” After doing so, I did not find a “jre” subfolder in /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/. I have downloaded and installed the latest JDK for macOS (jdk-9_osx-圆4_bin.dmg) from Oracle’s Java website. If your JDK was installed using Homebrew or MacPorts, please uninstall your JDK using the same way.On my brand-new iMac Retina 5K 27' 2017 running macOS Sierra 10.12.6, I am not able to run Base. Or $ cd /Library/Java/JavaVirtualMachines $ sudo rm -rf /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk If you decide to remove a JDK version, just simply delete its installation folder. export JAVA_HOME=`/usr/libexec/java_home -v 1.8` Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)Īppending following line to your ~/.profile file will switch system's JDK to 1.8 version. Java(TM) SE Runtime Environment (build 1.8.0_121-b13) Using java -version or javac -version to show the JDK version used by system.

$ cd /Library/Java/JavaVirtualMachinesģ How to check which JDK version is currently used by Mac OS

Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/HomeĪbove java_home -v command has already told you where JDKs were installed. Output after executing above command may be similar with following text, which means there was two versions of JDK installed, 1.8.0_121 and 1.7.0_79. The java_home -v command will list all JDKs already installed in your Mac OS. Tips on how to uninstall JDK or Java SE in Mac OS X.ġ How to see JDK versions already installed

Install jdk mac os