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PaperMC / Paper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
https://papermc.io/
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Paper on 1.14.1 Wipes mobs after restart #2049

Closed HyperlyBola closed 5 years ago

HyperlyBola commented 5 years ago

What behaviour is expected:

You'd expect entities to stay exactly where they were after restarting and moving far away then returning. What you expected to see https://prnt.sc/npjcr6 All entities to stay where they were and not be removed.

What behaviour is observed:

What you actually saw https://prnt.sc/npjrtb Every single entity in the area of these two screenshots + in the video being removed/wiped.

Steps/models to reproduce:

To test this comparing the issue on Paper vs Spigot vs Vanilla Both video includes console output if needed, as well as uptime and version.

  1. Use the paper version 23, or latest spigot 1.14.1 version, or vanilla 1.14.1 version
  2. Run the server in any normal way
  3. Either pre-generate or generate a world through the server and be sure to spawn item frames or just mobs in one area
  4. You can save the coords of that area or /sethome for this next part
  5. Save the world when in the same area as the entities and restart
  6. Return to the world and move far away then move back, try unloading the chunks then loading them again then restart once you're back in the area
  7. Compare what happens to the entities on normal Spigot, then Paper, and finally on Vanilla.
  8. Be sure to make multiple tests with restarts on each different server jar

This may include a build schematic, a video, or detailed instructions to help reconstruct the issue Videos: Using only Paper or Spigot: https://www.youtube.com/watch?v=PwQZ9BaQ74U Using only Vanilla: https://www.youtube.com/watch?v=iThCBrtlM7Q

Plugin list:

A list of your plugins

Paper build number:

This can be found by running /version on your server. latest is not a proper version number; we require the output of /version so we can properly track down the issue. 23 (1.14.1)

Anything else:

Anything else you think may help us resolve the problem Not blame Mojang and a simple bug report for this issue. I wasn't trying to bash on you guys without diving deep into the problem. Also this has nothing to do with this bug report https://bugs.mojang.com/browse/MC-150170, sure 1.14.2 pre-release 1 says to have this fixed but it could only be related to entities as the server is currently running, and not after every single restart.

alvarlagerlof commented 5 years ago

I have the same issue.

HyperlyBola commented 5 years ago

Nevermind Paper Build #29 for 1.14.1 fixed this issue, thank you :3