Alright, so, I've been running a vanilla server for my friend and I for a long time and I am somewhat knowledgeable on how servers work. However, even after investigating and attempting to fix these issues, I simply cannot figure out exactly what is going on here.
Ever since upgrading our world to 1.14 a few months ago, we have been experiencing strange and very frequent server crashes and even chunk corruptions.
We have tried running our world through CubedHost, Realms, and I have even tested it within singleplayer. The exact same issues occur across all of them.
The server runs on 1 GB of ram and we do not experience any lag issues, and we have not really had any problems until after 1.14 came along.
If needed, I can provide some more information on when these crashes occur, but for now here are a couple of the crash reports: