=> I did an update (actually an upgrade) to 1.9.8 but before that I had to change a configuration in the preferences, consisting of automatically associating all java GUI files with the windowbuilder editor: Here is a simple manipulation that worked for me:

I tried an upgrade to windowbuilder 1.9.8, but I still had the same problem.Software -> -> add a zip file, but in these types of tutorials,Įclipse versions that are used, was released before 2019, and this solution didn't work on my 2021-12 Plug-in from Help -> Eclipse Marketplace or from Help -> Install New I tried the tutorials that talked about installing the windowbuilder.I can list here what I tried to solve my problem: In fact, I had installed from the eclipse marketplace version 1.9.7 of windowbuilder and when I had to open a source file in the windowbuilder editor, the components palette was always empty.

I tried several solutions that I found on google without success. I had the same problem on my manjaro linux where I recently installed eclipse IDE 2021-12.

Eclipse windowbuilder download url