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  1. Minecraft: Java Edition
  2. MC-107957

Hopper: java.util.ConcurrentModificationException

    Details

    • Confirmation Status:
      Confirmed

      Description

      This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-3022405/

      Crash:

      java.util.ConcurrentModificationException
      	at java.util.HashMap$HashIterator.remove(HashMap.java:1443)
      	at st.bO(SourceFile:515)
      	at st.U(SourceFile:310)
      	at sk.A_(SourceFile:351)
      	at st.A_(SourceFile:1621)
      	at aav.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 ccb.C(SourceFile:154)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
      	at java.lang.Thread.run(Thread.java:745)
      
      

      The following is the first clean report made public about this crash:

      ---- Minecraft Crash Report ----
      // My bad.
      
      Time: 30/09/16 17:43
      Description: Ticking player
      
      java.util.ConcurrentModificationException
      	at java.util.HashMap$HashIterator.remove(HashMap.java:1443)
      	at st.bO(SourceFile:515)
      	at st.U(SourceFile:310)
      	at sk.A_(SourceFile:351)
      	at st.A_(SourceFile:1621)
      	at aav.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 ccb.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 st.bO(SourceFile:515)
      	at st.U(SourceFile:310)
      	at sk.A_(SourceFile:351)
      	at st.A_(SourceFile:1621)
      	at aav.A_(SourceFile:271)
      
      -- Player being ticked --
      Details:
      	Entity Type: null (lx)
      	Entity ID: 2005
      	Entity Name: DivadNix
      	Entity's Exact location: -13487,65, 61,00, -12353,81
      	Entity's Block location: World: (-13488,61,-12354), Chunk: (at 0,3,14 in -843,-773; contains blocks -13488,0,-12368 to -13473,255,-12353), Region: (-27,-25; contains chunks -864,-800 to -833,-769, blocks -13824,0,-12800 to -13313,255,-12289)
      	Entity's Momentum: 0,00, -0,02, 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@2aad0ec7
      Stacktrace:
      	at mg.c(SourceFile:187)
      	at net.minecraft.server.MinecraftServer.D(SourceFile:652)
      	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
      	at ccb.C(SourceFile:154)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
      	at java.lang.Thread.run(Thread.java:745)
      
      -- System Details --
      Details:
      	Minecraft Version: 16w39c
      	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: 533638600 bytes (508 MB) / 1060372480 bytes (1011 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: 1, tcache: 1, allocated: 12, tallocated: 94
      	Profiler Position: N/A (disabled)
      	Player Count: 1 / 8; [lx['DivadNix'/2005, l='Mundo 1.11!!!', x=-13487,65, y=61,00, z=-12353,81]]
      	Type: Integrated Server (map_client.txt)
      	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
      

      You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-3022405/77408417/

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              • Assignee:
                jeb [Mojang] Jeb (Jens Bergensten)
                Reporter:
                Hopper [Bot] Hopper
              • Votes:
                3 Vote for this issue
                Watchers:
                6 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: