Thank you for your reply Tahir.
In fact, I discovered that the files are not renamed but simply removed from my 3 Jenkins slaves.
I don’t know what’s the root cause. Because of this I have a lot of dependencies errors with my builds.
Moreover I can see that the files:
are updated with the following contents each day:
#NOTE: This is an Aether internal implementation file, its format can be changed without prior notice.
#Fri Mar 22 02:23:15 CET 2019
I replaced some part of the texts with …
Unfortunatly for the moment I can’t update to the last version.
Thank you very much for your help.