![]() ![]() You can resolve the issue by running sudo update-alternatives -config javaĪnd choosing the OpenJDK or Oracle option. If the output is: java version 1.5.0 gij (GNU libgij) javac).Īnother thing, if you have more then one Java runtime installed you have to check which version you use with the command java -version. Sudo update-alternatives for other commands if needed (e.g. Install the packages required to build the mcrcon tool: Navigate to Advanced Options using key up or key down and press Enter. Sudo update-alternatives -install "/usr/bin/java" "java" "/opt/jdk1.8.0/bin/java" 1 We’ll use the mcrcon utility to connect to the Minecraft server. To install the Oracle Java System: sudo tar zxvf jdk-8-ea-b36e-linux-arm-hflt-*.tar.gz -C /opt Remember to download the Oracle Java system on your Pi, or you won't be able to install it. Instead of the above instructions you need to download the file called Oracle JDK 8 (with JavaFX) for ARM Early Access on the Oracle Java 8 download page. If you want the Oracle Java VM, which is a lot faster (optimized for embedded arm CPUs) and is also a developer preview (applications maybe buggy or crash) until some time into the future. This allows you to compile Java applications to bytecode. To install the JDK run the command: sudo apt-get install openjdk-7-jdk ![]() This installs the Java JRE (Java Runtime Environment) which will allow you to run applications written in Java. To install the Java Runtime Environment (JRE) run the following command: sudo apt-get install openjdk-7-jre However, if you are using lightdm, the default GUI login won't do this, see here for a solution. To make it the default from now on, add this to ~/.profile: export PATH=/usr/local/jdk1.8.0/bin:$PATH That will only work for your current shell. If there are any other javas installed, that will make this one take precedence: PATH=/usr/local/jdk1.8.0/bin:$PATH. Put the bin/ directory at the beginning of your executable search $PATH.You can rename the directory, mv oracle-jdk-whatever jdk1.8.0. This will create a directory with everything in it. tar.gz in /usr/local and unpack it: tar -xzf. I think bearbin's answer is pretty definitive but if you want a simple way to try oracle: Compiling is slow on the pi, surprise, but the jre seems to run quite fast once it loads. The oracle 8 preview works for me, thus far.
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