I think I have successfully resolved this issue by creating a new run
configuration and a new remote runtime platform from within NetBeans 12.6.
As far as I can tell, the parameters for the configuration and the
platform are all identical to those I imported with the project from
NetBeans 8.2.
I am hoping someone on this list can help me with this issue.
I have been using NetBeans 8.2 and Oracle Java 8 on Windows 10 to cross
develop for a headless Raspberry Pi (various models) for a number of
years. The Raspberry Pi started with Java 8, but has been running Java
11 for 2+ years. A