服务器有时候会出现这样的问题，这种报错出现之后，服务器开始骤降tps 1，然后就进不去服务器，并没有关服
[19:13:30 ERROR]: Server thread dump (Look for plugins here before reporting to Purpur!):
[19:13:30 ERROR]: ------------------------------
[19:13:30 ERROR]: Current Thread: Server thread
[19:13:30 ERROR]:       PID: 29 | Suspended: false | Native: false | State: RUNNABLE
[19:13:30 ERROR]:       Stack:
[19:13:30 ERROR]:               net.minecraft.world.level.NaturalSpawner.spawnCategoryForChunk(NaturalSpawner.java:212)
[19:13:30 ERROR]:               net.minecraft.world.level.NaturalSpawner.spawnForChunk(NaturalSpawner.java:182)
[19:13:30 ERROR]:               net.minecraft.server.level.ServerChunkCache.tickChunks(ServerChunkCache.java:1034)
[19:13:30 ERROR]:               net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:910)
[19:13:30 ERROR]:               net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:650)
[19:13:30 ERROR]:               net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1621)
[19:13:30 ERROR]:               net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:522)
[19:13:30 ERROR]:               net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1483)
[19:13:30 ERROR]:               net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1247)
[19:13:30 ERROR]:               net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:321)
[19:13:30 ERROR]:               net.minecraft.server.MinecraftServer$$Lambda$4162/0x00000008014d0690.run(Unknown Source)
[19:13:30 ERROR]:               [email protected]/java.lang.Thread.run(Thread.java:833)
[19:13:30 ERROR]: ------------------------------
[19:13:30 ERROR]: --- DO NOT REPORT THIS TO PURPUR - THIS IS NOT A BUG OR A CRASH ---

很显然 卡线程了
net.minecraft.world.level.NaturalSpawner.spawnCategoryForChunk
在执行生成刷怪笼的时候卡了
尝试更新核心？顺带参考bbs的优化教程优化一下