Thanks for the answer :) now I understand *and* I am sure that this is it. May I suggest that this information be included somewhere in the documentation...
Sorry if Vincent was a little harsh on you, I'm sure he didn't mean it.
Ok, the important thing is that we can work toghether. BTW, I am the same Alain M. in both lists. I just did't want to bother the devel list, so I asked first on the users list. Thansk, Alain
The database IS the dump you found in /db/ (all 3 files), there are no other files involved. This is the way hsldb works, it keeps the database in memory and dumps it to the file every 20 seconds (default value). See http://hsqldb.org/doc/guide/ch01.html#N10248 for more details. Of course, this only works for small wikis, but this is what the standalone package is for, trying xwiki. If you want to use it in a large environment, then you should setup a tomcat container and a serious database.