Before every Openfire release, Java JRE should be updated to the latest version (unless it was just released a few days ago, then i think previous to last version should be fine). After closing this ticket, file another, for the next release (clone this ticket).
1.8.152 is available in install4j.
updated to 1.8u152, will close this once 4.2 is released
openfire 4.2 beta is immanent, so resolving