Hi,
Yes, it was
apparently an issue with my p2 bundle pool used by Eclipse
Installer. When checking the error log in more detail, it
revealed lots of bundle exceptions related to unresolved
modules.
So after
removing all my different installations based on this shared
bundle pool, and then removing the p2 bundle pool itself and
starting all over reinstalling everything again, then the
issue is no longer there.
The major
confusion was probably that the issue first appeared in my
Papyrus Oxygen installation yesterday (hence my heads up for
M6 spin), which then was fixed when I updated my Papyrus
Oxygen installation earlier today. So I assumed that the work
yesterday with the M6 had made some change that actually fixed
the issue I could see.
And then when I
updated my Papyrus-RT installation, which is based on the
latest Papyrus Neon nightly build, and it failed with the same
symptom as for Papyrus Oxygen I had yesterday, it just felt
extremely strange. I then checked my separate Papyrus Neon
installation, updated it to the latest build, and it then had
the same issue.
Anyway, after
reinstalling everything, including removing the p2 bundle
pool, it now works again. Sorry for raising this personal
issue of mine, and any confusion it might have caused.
/Peter Cigéhn