STEPS TO REPRODUCE
- Create an instance on Oracle (tested on Oracle 19c)
- (Optional) Create one or more subwikis (also with other users), to generate more entries in WikiManager LD table
- Go to Drawer > Wiki Index
- From Owner column filter box, select "---"
Filtering is applied properly, no entry is displayed, since all entries have an owner set.
The LiveData table appears to be loading continuously in the back-end and all entries are still displayed. In XWiki console there is the following error:
The Oracle error is:
Also, on Panels homepage "/xwiki/bin/view/Panels", if an entry has set an empty Type value for example and the empty "---" suggestion filter is applied, no results are displayed, but in this case there is no error generated in console.