Apt get install openjdk 11 jdk12/22/2023 ![]() If you want to do a manual upgrade you need to edit /etc/apt/sources.list manually and I don’t recommend it. I highly, highly recommend you do a clean install of the latest. A sudo apt dist-upgrade will not upgrade you to Bullseye. They do not have easy major OS upgrades built in. This is a common problem on Raspberry Pis. OpenJDK 18 has been in the Raspberry Pi OS repositories for a while so if you’re still having this issue it’s because your OS needs an upgrade! If you were on Bullseye the method of upgrading OpenJDK from this article would work (and so would sudo apt install openjdk-18) but it sounds like you’re running a really old outdated version of Raspberry Pi OS. I’d back up the Minecraft server and honestly upgrade the Pi to Raspberry Pi OS Bullseye. ![]() If you don’t see OpenJDK 18 in the Raspberry Pi repositories now it’s because you are running a very, very old version of Raspberry Pi OS. ![]() The current version of OpenJDK in the Raspberry Pi repositories is OpenJDK 18. It sounds like your Raspberry Pi OS version is really old. If you’re having firmware issues and need to update/restore your firmware: Raspberry Pi firmware guide hereįor my new overclocking and SSD setup guide for the Pi 400 check out my Pi 400 Overclocking and SSD setup guide To find out where to get the 64 bit version of Raspberry Pi OS view Where to get the 64 bit Raspberry Pi OS imageįor benchmarks and recommendations on the fastest storage drives/adapters for the Raspberry Pi check out my 2021 Storage Roundup If you’re trying to set up SSD / USB storage booting check out my Raspberry Pi USB booting setup guide Check if a different folder like “edge” is being used (just ls /snap/openjdk and see what’s in there)! Other Resources We used /snap/openjdk/current/ in our update-alternatives commands. You may have to slightly modify the update-alternatives commands when using one of these alternative builds. These are in ascending order so the further down the list you go the newer version of OpenJDK it will retrieve: sudo snap install openjdk -candidate If you need an even newer version of Java than you are getting from the default snap there are some flags to install even newer ones. OpenJDK Server VM (build 16.0.1+9-snap, mixed mode) Bonus Tip OpenJDK Runtime Environment (build 16.0.1+9-snap) Sudo update-alternatives -set java /snap/openjdk/current/jdk/bin/javaĪnd that’s it! Go ahead and verify you are using the new Java version like this: $ java -version Now at this point our new OpenJDK installation is installed and we just need to tell our system to use that for Java using update-alternatives: sudo update-alternatives -install /usr/bin/java java /snap/openjdk/current/jdk/bin/java 1 It’s not unusual to have to wait 5-10 minutes for each step. Once your system comes back online let’s install snap core and OpenJDK: sudo snap install core We will then use update-alternatives to point our /usr/bin/java to our new JDK installation.Ī reboot is required after installing snapd for the first time and it takes a lot longer to install via snap than it would via apt but since the packages are not available this is a great workaround! OpenJDK Update Instructionsįirst let’s install snapd and get our reboot out of the way: sudo apt update ![]() To get around this we’re going to use the “snapd” utility to install a much newer version of OpenJDK. This is happening for other applications as well because we are waiting for the Raspberry Pi OS team to jump to the next version of Debian (the underlying OS that Raspberry Pi OS is built on) which will bring a lot of these offerings more up to date. Raspberry Pi OS’s repositories have got quite dated for Java. The Pi 400 is the fastest Raspberry Pi ever released and comes in the form factor of a keyboard! The Raspberry Pi 400 kit includes everything you need for a full Pi 400 desktop build.
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