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  1. Minecraft: Java Edition
  2. MC-227202

Slow world loading after 1.17-pre3

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Details

    • Bug
    • Status: Open
    • Resolution: Unresolved
    • 1.17 Pre-release 4, 1.17 Pre-release 5, 1.17 Release Candidate 1, 1.17 Release Candidate 2, 1.17, 1.17.1 Pre-release 1, 1.17.1 Pre-release 2, 1.17.1 Pre-release 3, 1.17.1 Release Candidate 1, 1.17.1 Release Candidate 2, 1.17.1, 21w39a, 21w40a, 21w41a, 21w42a, 21w43a, 21w44a, 1.18 Pre-release 1, 1.18 Pre-release 2, 1.18 Pre-release 3, 1.18 Pre-release 4, 1.18 Pre-release 5, 1.18 Pre-release 6, 1.18 Pre-release 7, 1.18 Pre-release 8, 1.18 Release Candidate 1, 1.18 Release Candidate 3, 1.18 Release Candidate 4, 1.18, 1.18.1 Pre-release 1, 1.18.1 Release Candidate 1, 1.18.1 Release Candidate 2, 1.18.1, 22w03a, 22w05a, 22w06a, 1.18.2, 22w11a, 22w12a, 22w13a, 22w14a, 22w16b, 22w17a, 22w18a, 22w19a, 1.19 Pre-release 1, 1.19 Pre-release 2, 1.19 Pre-release 3
    • None
    • None
    • Confirmed
    • Datafixer, Performance
    • Normal

    Description

      After upgrading one of my dedicated servers to 1.17-pre3 the world took significantly longer to load on server start up. The preparing spawn area phase counted all the way up to one hundred and threw an exception which was not the behavior on 1.17-pre2 and below. Before the console would output zero percent a few times and jump to something like 7 percent before stating that the world was done loading and displayed the time it took. In 1.17-pre2 the server took 2.644 seconds to load and in pre3 and pre4 it took 8.98 seconds and threw the following exception between 1% and 2% of the preparing spawn phase.

      [Server thread/ERROR]: No key size in MapLike[{extra_size:2,min_size:1,type:"minecraft:column_placer"}]
      [Server thread/ERROR]: Exception loading structure piece with id minecraft:jigsaw
      java.lang.IllegalStateException: Invalid pool element found
      	at dbf.k(SourceFile:54) ~[server.jar:?]
      	at java.util.Optional.orElseThrow(Optional.java:403) ~[?:?]
      	at dbf.<init>(SourceFile:54) ~[server.jar:?]
      	at cuc.a(SourceFile:151) ~[server.jar:?]
      	at cni.a(SourceFile:415) ~[server.jar:?]
      	at cni.a(SourceFile:175) ~[server.jar:?]
      	at abe.l(SourceFile:511) ~[server.jar:?]
      	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) ~[?:?]
      	at aqu.c(SourceFile:151) ~[server.jar:?]
      	at abp$a.c(SourceFile:527) ~[server.jar:?]
      	at aqu.z(SourceFile:125) ~[server.jar:?]
      	at abp$a.z(SourceFile:536) ~[server.jar:?]
      	at abp.d(SourceFile:279) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.bg(SourceFile:771) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.z(SourceFile:759) ~[server.jar:?]
      	at aqu.c(SourceFile:134) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.y(SourceFile:744) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.b(SourceFile:525) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.e_(SourceFile:357) ~[server.jar:?]
      	at aas.e(SourceFile:183) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.x(SourceFile:665) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.a(SourceFile:274) ~[server.jar:?]
      	at java.lang.Thread.run(Thread.java:831) [?:?]
      [Server thread/ERROR]: No key size in MapLike[{extra_size:2,min_size:1,type:"minecraft:column_placer"}]
      [Server thread/ERROR]: Exception loading structure piece with id minecraft:jigsaw
      java.lang.IllegalStateException: Invalid pool element found
      	at dbf.k(SourceFile:54) ~[server.jar:?]
      	at java.util.Optional.orElseThrow(Optional.java:403) ~[?:?]
      	at dbf.<init>(SourceFile:54) ~[server.jar:?]
      	at cuc.a(SourceFile:151) ~[server.jar:?]
      	at cni.a(SourceFile:415) ~[server.jar:?]
      	at cni.a(SourceFile:175) ~[server.jar:?]
      	at abe.l(SourceFile:511) ~[server.jar:?]
      	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) ~[?:?]
      	at aqu.c(SourceFile:151) ~[server.jar:?]
      	at abp$a.c(SourceFile:527) ~[server.jar:?]
      	at aqu.z(SourceFile:125) ~[server.jar:?]
      	at abp$a.z(SourceFile:536) ~[server.jar:?]
      	at abp.d(SourceFile:279) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.bg(SourceFile:771) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.z(SourceFile:759) ~[server.jar:?]
      	at aqu.c(SourceFile:134) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.y(SourceFile:744) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.b(SourceFile:525) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.e_(SourceFile:357) ~[server.jar:?]
      	at aas.e(SourceFile:183) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.x(SourceFile:665) ~[server.jar:?]
      	at net.minecraft.server.MinecraftServer.a(SourceFile:274) ~[server.jar:?]
      	at java.lang.Thread.run(Thread.java:831) [?:?]

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              EcoBuilder13 EcoBuilder13
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                Updated:
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