An Odyssee to upgrade Java 21

[hmerk (Hans-Jörg Merk)]

@Chiuaua79

The most likely problem is that you have a 32 bit OS installed, where Java21 is only available for a 64 bit OS.

There are not official supported packages available:

openHAB 5.0 Release Discussion

There are packages Java 21 JDK for arm32 available. Will Openhabian continue working on my old Pi2 when I install them? For now, I have openhab and openhab-addons on hold. Thx in adv.