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  1. Minecraft: Java Edition
  2. MC-107559

Totem of undying crashing game when using instant damage pot(only when used by commands).

    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 16w39a
    • Fix Version/s: None
    • Labels:
      None
    • Environment:

      Windows 7, latest java version.

    • Confirmation Status:
      Unconfirmed

      Description

      Put the summary of the bug you're having here
      Totem of undying crashing game when using instant damage pot(only when used by commands).
      What I expected to happen was...:

      So i was playing around with totem of undying and command blocks and i used the following command while having totem in my off hand:
      /effect @a minecraft:instant_damage. I repeated the command 3 times so i had 1 heart left. I executed the command again, expecting that totem will save me from dying but it didnt. My minecraft crashed. I tried it 3 times more and same resoult every time. Here is the crash report log:

      ---- Minecraft Crash Report ----
      // This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]
      
      Time: 28.9.2016 20:38
      Description: Ticking player
      
      java.util.ConcurrentModificationException
      	at java.util.HashMap$HashIterator.remove(HashMap.java:1443)
      	at sr.bO(SourceFile:514)
      	at sr.U(SourceFile:309)
      	at si.A_(SourceFile:351)
      	at sr.A_(SourceFile:1616)
      	at aat.A_(SourceFile:271)
      	at lx.k_(SourceFile:282)
      	at mh.F_(SourceFile:179)
      	at er.a(SourceFile:232)
      	at mg.c(SourceFile:187)
      	at net.minecraft.server.MinecraftServer.D(SourceFile:652)
      	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
      	at cby.C(SourceFile:154)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
      	at java.lang.Thread.run(Thread.java:745)
      
      
      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------
      
      -- Head --
      Thread: Server thread
      Stacktrace:
      	at java.util.HashMap$HashIterator.remove(HashMap.java:1443)
      	at sr.bO(SourceFile:514)
      	at sr.U(SourceFile:309)
      	at si.A_(SourceFile:351)
      	at sr.A_(SourceFile:1616)
      	at aat.A_(SourceFile:271)
      
      -- Player being ticked --
      Details:
      	Entity Type: null (lx)
      	Entity ID: 0
      	Entity Name: Matic2000
      	Entity's Exact location: 11,50, 4,00, 12,14
      	Entity's Block location: World: (11,4,12), Chunk: (at 11,0,12 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
      	Entity's Momentum: 0,00, -0,08, 0,00
      	Entity's Passengers: []
      	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
      Stacktrace:
      	at lx.k_(SourceFile:282)
      	at mh.F_(SourceFile:179)
      	at er.a(SourceFile:232)
      
      -- Ticking connection --
      Details:
      	Connection: er@5f34c7e7
      Stacktrace:
      	at mg.c(SourceFile:187)
      	at net.minecraft.server.MinecraftServer.D(SourceFile:652)
      	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
      	at cby.C(SourceFile:154)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
      	at java.lang.Thread.run(Thread.java:745)
      
      -- System Details --
      Details:
      	Minecraft Version: 16w39a
      	Operating System: Windows 8.1 (amd64) version 6.3
      	Java Version: 1.8.0_25, Oracle Corporation
      	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
      	Memory: 137472280 bytes (131 MB) / 375955456 bytes (358 MB) up to 1060372480 bytes (1011 MB)
      	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
      	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
      	Profiler Position: N/A (disabled)
      	Player Count: 1 / 8; [lx['Matic2000'/0, l='Test', x=11,50, y=4,00, z=12,14]]
      	Type: Integrated Server (map_client.txt)
      	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
      

      Steps to Reproduce:
      1. Get totem of undying in your off hand slot
      2.Type command: /effect @p instant_damage
      3. Repeat until death
      4.Watch the game crash
      5.Fix the bug.

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              • Assignee:
                Unassigned
                Reporter:
                Matic2000 Matic
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                Dates

                • Created:
                  Updated:
                  Resolved: