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  1. Minecraft: Java Edition
  2. MC-137831

Slimes and magma cubes riding mobs causes game crash

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 18w43b, Minecraft 18w43c, Minecraft 18w44a, Minecraft 18w45a
    • Fix Version/s: Minecraft 18w46a
    • Labels:
      None
    • Confirmation Status:
      Confirmed

      Description

      In creative mode I used the summon command:

      Reproduce
      /summon minecraft:illager_beast ~ ~ ~ {Passengers:[{id:slime}]}
      
      Crash report
      Description: Ticking entity
      
      java.lang.ClassCastException: agr cannot be cast to aoj$d
      	at aoj$c.e(SourceFile:530)
      	at ahk.a(SourceFile:129)
      	at afr.cO(SourceFile:646)
      	at afq.k(SourceFile:1988)
      	at afr.k(SourceFile:511)
      	at afq.S_(SourceFile:1839)
      	at afr.S_(SourceFile:288)
      	at aoj.S_(SourceFile:133)
      	at afh.aJ(SourceFile:1688)
      	at afq.aJ(SourceFile:2129)
      	at aza.a(SourceFile:1153)
      	at tz.a(SourceFile:377)
      	at aza.g(SourceFile:1136)
      	at aza.a(SourceFile:1201)
      	at tz.a(SourceFile:377)
      	at aza.g(SourceFile:1136)
      	at aza.n_(SourceFile:1018)
      	at tz.n_(SourceFile:293)
      	at net.minecraft.server.MinecraftServer.b(SourceFile:732)
      	at net.minecraft.server.MinecraftServer.a(SourceFile:661)
      	at djr.a(SourceFile:125)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:564)
      	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: Client thread
      Stacktrace:
      	at aoj$c.e(SourceFile:530)
      	at ahk.a(SourceFile:129)
      	at afr.cO(SourceFile:646)
      	at afq.k(SourceFile:1988)
      	at afr.k(SourceFile:511)
      	at afq.S_(SourceFile:1839)
      	at afr.S_(SourceFile:288)
      	at aoj.S_(SourceFile:133)
      	at afh.aJ(SourceFile:1688)
      	at afq.aJ(SourceFile:2129)
      	at aza.a(SourceFile:1153)
      	at tz.a(SourceFile:377)
      	at aza.g(SourceFile:1136)
      	at aza.a(SourceFile:1201)
      	at tz.a(SourceFile:377)
      	at aza.g(SourceFile:1136)
      
      -- Entity being ticked --
      Details:
      	Entity Type: minecraft:illager_beast (anw)
      	Entity ID: 8265757
      	Entity Name: Illager Beast
      	Entity's Exact location: 54.50, 5.50, -48.50
      	Entity's Block location: World: (54,5,-49), Chunk: (at 6,0,15 in 3,-4; contains blocks 48,0,-64 to 63,255,-49), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
      	Entity's Momentum: 0.00, -0.08, 0.00
      	Entity's Passengers: [aoj['Slime'/8265758, l='New World', x=54.50, y=5.50, z=-48.50]]
      	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
      Stacktrace:
      	at aza.n_(SourceFile:1018)
      	at tz.n_(SourceFile:293)
      
      

      When the beast spawned into the world minecraft crashed and brought me back to the launcher, when I attempt to re-enter the world the game crashes again.

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              • Assignee:
                rockenroll4life [Mojang] rockenroll4life (Josh Letellier)
                Reporter:
                Thestevex53 Ethan Sutton
              • Votes:
                4 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: