Verify the changes by running the following command: echo $JAVA_HOME Now reboot your system for the changes to take effect: sudo rebootĦ. Save the file and exit the text editor.ĥ. Add the following to the file: JAVA_HOME="path_of_your_default_version_of_java"įor example, for OpenJDK 8, you should insert: JAVA_HOME="/usr/lib/jvm/java-8-openjdk-armhf/jre/bin/java"Ĥ. Next, edit the /etc/environment file: sudo nano /etc/environmentģ. OpenJDK 8 path – /usr/lib/jvm/java-8-openjdk-armhf/jre/bin/javaĢ.OpenJDK 11 path – /usr/lib/jvm/java-11-openjdk-armhf/bin/java.On any Raspberry Pi system, the default locations are usually: Start by finding the location of your default Java instance: sudo update-alternatives -config java If not configured, you may receive a “ no JDK found” error.ġ. Note: Applications compiled in Java (e.g., Apache Tomcat) use the JAVA_HOME path environment variable to access your Java’s installation path. In a terminal window, enter the following: sudo apt update The default Raspbian repositories have a fully-updated and compatible version of OpenJDK.ġ. Raspberry Pi’s system architecture is ARM-based so many packages aren’t compatible.
UNABLE TO LOCATE PACKAGE OPENJDK 8 JDK INSTALL
It is recommended that you install all packages from the default Raspbian software repositories. Raspbian is based on Debian, so terminal commands to install Java will use the aptpackage manager.
While browsing different Java versions, you may see different abbreviations: Oracle Java versions require an account to download, and most are not compatible with Raspberry Pi.
Important: This guide will help you install the free, open-source OpenJDK version.
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