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Posted

I have made a github issue on a repo which attempts to patch this, but I will also put it here because it seems like an issue that would need to be fixed in any modded install. https://github.com/TheRandomLabs/RandomPatches/issues/116

 

The following exception crashes the game hard, repeatedly, and frequently.

 

[27Jul2020 03:16:30.570] [Server thread/ERROR] [net.minecraft.s
erver.MinecraftServer/]: Encountered an unexpected exception
net.minecraft.crash.ReportedException: Exception ticking world
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:856) ~[?:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:788) ~[?:?]
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:81) ~[?:?]
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:643) [?:?]
at net.minecraft.server.MinecraftServer.lambda$func_240784_a_$0(MinecraftServer.java:230) [?:?]
at net.minecraft.server.MinecraftServer$$Lambda$6550/1020321556.run(Unknown Source) [?:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.IllegalStateException: TickNextTick list out of synch
at net.minecraft.world.server.ServerTickList.func_205365_a(SourceFile:54) ~[?:?]
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:329) ~[?:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:852) ~[?:?]
... 6 more

 

Exceptions are accompanied by a brief freeze (sub-1-second) followed by a crash-to-launcher.

In my experience, it is more frequent when chunk generation/loading is backlogging server ticks. Examples include fast travel in creative, using /tp commands, and when entering/exiting the Nether in previously ungenerated areas.

Prior to recent commits to that repo I linked above (faef98 and a5563c) it seemed to me to arise most frequently in the presence of multiple hostile mobs/mob spawners. Since those commits this behavior is absent and crashes are far less frequent (occur on an hourly basis, not minutely basis). AKA: the "fix" isn't totally a fix, but it helps.

 

I'm not sure--but this seems like something that Forge should take care of. A quick look around shows a lot of people are starting to deal with the same crash recently.

  • Thanks 1
Posted

Is this the same exact case as in your previous thread where enderman spawners were causing errors and you ignored our advice?

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

Posted

No, I realized that they were two completely unrelated issues. As all the advice in that previous thread was related to the innocuous log spam related to the endermen spawners, not this much nastier issue, I thought it would be appropriate to separate the issues into two different threads. If this isn't what I should do, I will consolidate the threads again. Apologies if there's been a misunderstanding.

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