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  1. Minecraft: Java Edition
  2. MC-130162

Exception generating new chunk - OutOfMemoryError: Java heap space (32 bit Java)

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    • Icon: Bug Bug
    • Resolution: Awaiting Response
    • None
    • Minecraft 18w21a, Minecraft 1.13-pre2
    • None
    • Java 32 bit
      Windows 7
    • Confirmed

      When the game is paused at the main menu and it is generating chunks, it runs out of heap space.

      Load the attached save game (T1_18w21a).

      When the game loads, press F3 (to show memory) and then Escape to pause the game. (This step is optional)

      The game will crash after a few seconds when it exhausts memory.

      (The save game is in three parts - part 1 has most of the game files and a few region files, and parts 2 and 3 have most of the region files.)

      escription: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: Java heap space
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	at sj.c(SourceFile:129)
	at sr.a(SourceFile:84)
	at ss.c(SourceFile:143)
	at sk.i_(SourceFile:223)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dii.v(SourceFile:156)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.OutOfMemoryError: Java heap space
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.resize(IntArrayFIFOQueue.java:175)
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.expand(IntArrayFIFOQueue.java:189)
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.enqueue(IntArrayFIFOQueue.java:201)
	at cbm.a(SourceFile:142)
	at cbm.a(SourceFile:146)
	at cbm.a(SourceFile:130)
	at cbp.a(SourceFile:62)
	at tb.a(SourceFile:23)
	at sx.a(SourceFile:34)
	at bqc.a(SourceFile:87)
	at td.a(SourceFile:59)
	at td.a(SourceFile:23)
	at agg$a.a(SourceFile:143)
	at agg$a$$Lambda$1526/136461969.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncApply.exec(CompletableFuture.java:501)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:902)
	at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1644)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

      World download from MC-131617: http://www.mediafire.com/file/3n2y3fqye7obqnz/Jungle_Home%252C_Where_are_You%2521.zip/file

      • The world does not initially crash, but will after generating new chunks

        1. T1_18w21a - 3.zip
          4.80 MB
        2. T1_18w21a - 2.zip
          8.67 MB
        3. T1_18w21a - 1.zip
          8.71 MB
        4. Status Map.png
          Status Map.png
          7 kB
        5. Map_Status_Incomplete.png
          Map_Status_Incomplete.png
          2 kB
        6. Map_Status_Healthy.png
          Map_Status_Healthy.png
          3 kB
        7. latest.log
          17 kB
        8. crash-2018-06-16_14.17.13-server.txt
          4 kB
        9. crash-2018-05-24_13.59.03-server.txt
          4 kB
        10. crash-2018-05-24_00.47.18-server.txt
          4 kB

            Unassigned Unassigned
            bdm68 bdm68
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              Created:
              Updated:
              Resolved:
              CHK: