Hi guys. Since our upgrade to Roller 3.1, things have not been good in the land of JRoller. The system will occasionally run for a few hours and then suddenly add nearly a gig of objects to the heap, all of which are instanly pushed to the old gen space and cannot be garbage collected. Restarting the application server does not correct this problem, as it often comes right back immediately. We can see nothing in the access logs that are different from when its running fine and then its suddenly not. The search is currenly disabled, so that's not causing it. The referer processing is also disabled and our caches in Roller are not too large. We've upgraded both Velocity and Hibernate to their latest released versions and that had no effect. Looking into the heap dump, it seems that most of the space is in Strings, probably related to Velocity. We've disabled velocity caching completely right now so see if that is the cause. Has anyone else seen anything like this? We're running in a 1.5G heap and it just runs normally for a while then flakes out and then won't even operate normally after a restart for a while. Eventually, enough restarts get is back into regular operation. I'd appreciate any help you guys can give as without something, JRoller will likely plunge even further into dispair.

Thanks, Matt