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  1. Minecraft: Java Edition
  2. MC-122741

Datapack with multiple namespaces crash the game

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 17w48a
    • Fix Version/s: None
    • Labels:
      None
    • Confirmation Status:
      Unconfirmed

      Description

      When you load a world with a data pack using multiple namespaces (ie, two folders in the data folder), the game takes forever to load the world and crash after a while.

      It says "duplicate recipe ignored" in the crash report event if I use only one recipe in the pack (the other namespace contains only advancements and functions).

      Report:
      ---- Minecraft Crash Report ----
      // Would you like a cupcake? yes please

      Time: 30/11/17 20:26
      Description: Exception in server tick loop

      java.lang.IllegalStateException: Duplicate recipe ignored with ID folder_2:elytra
      at aoe.a(SourceFile:70)
      at aoe.a(SourceFile:52)
      at sd.c(SourceFile:132)
      at sd.a(SourceFile:115)
      at net.minecraft.server.MinecraftServer.a(SourceFile:1301)
      at net.minecraft.server.MinecraftServer.a(SourceFile:330)
      at ckz.a(SourceFile:81)
      at ckz.d(SourceFile:128)
      at net.minecraft.server.MinecraftServer.run(SourceFile:463)
      at java.lang.Thread.run(Thread.java:745)

      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------

      – System Details –
      Details:
      Minecraft Version: 17w48a
      Operating System: Windows 10 (amd64) version 10.0
      Java Version: 1.8.0_25, Oracle Corporation
      Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
      Memory: 307801160 bytes (293 MB) / 407150592 bytes (388 MB) up to 2134114304 bytes (2035 MB)
      JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
      IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 98
      Profiler Position: N/A (disabled)
      Player Count: 0 / 8; []
      Type: Integrated Server (map_client.txt)
      Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

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              • Assignee:
                Unassigned
                Reporter:
                mlakuss Mlakuss
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                Dates

                • Created:
                  Updated:
                  Resolved: