I attempted to switch to Java 21 in preparation for OH 5.0, but the installation failed.
How can I collect debug information to troubleshoot this issue?
openhabian@openhabian:~ $ sudo openhabian-config
2025-03-07_12:01:04_CET [openHABian] Checking for root privileges... OK
2025-03-07_12:01:05_CET [openHABian] Making sure router advertisements are available... OK
2025-03-07_12:01:05_CET [openHABian] Loading configuration file '/etc/openhabian.conf'... OK
2025-03-07_12:01:05_CET [openHABian] openHABian configuration tool version: [openHAB]{2025-02-20T19:12:19-07:00}(ec66792)
2025-03-07_12:01:05_CET [openHABian] Checking for changes in origin branch openHAB... Updates available... SKIP
2025-03-07_12:03:50_CET [openHABian] Updating Linux package information... OK
2025-03-07_12:03:50_CET [openHABian] Updating Linux package information... OK
2025-03-07_12:03:51_CET [openHABian] Fetching OpenJDK 21... OK
2025-03-07_12:04:28_CET [openHABian] Installing OpenJDK 21... FAILED
2025-03-07_12:47:14_CET [openHABian] Checking for default openHABian username:password combination... OK
2025-03-07_12:47:14_CET [openHABian] We hope you got what you came for! See you again soon ;)