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  1. Minecraft: Java Edition
  2. MC-123606

Server crash: Ticking entity 'java.lang.ClassCastException: ass cannot be cast to aui'

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 17w50a, Minecraft 18w15a, Minecraft 18w16a
    • Fix Version/s: Minecraft 18w19a
    • Labels:
      None
    • Environment:

      Ubuntu Server, Xeon 4 core 3.9 ghz, 128 ECC, Java, Vanilla

    • Confirmation Status:
      Confirmed

      Description

      Note

      Further information from Alexander Neumann in MC-128068:

      Villagers get stuck in a doorway opening and closing the door repeatedly. If the door is broken while the villager is continually opening and closing the door, the server will crash.

      Crash report

      Description: Ticking entity
      
      java.lang.ClassCastException: ass cannot be cast to aui
      	at aav.a(SourceFile:32)
      	at abw.d(SourceFile:28)
      	at abe.a(SourceFile:113)
      	at zq.cC(SourceFile:643)
      	at zp.l(SourceFile:1889)
      	at zq.l(SourceFile:503)
      	at zd.l(SourceFile:134)
      	at zp.H_(SourceFile:1744)
      	at zq.H_(SourceFile:283)
      	at aqy.a(SourceFile:1570)
      	at qt.a(SourceFile:705)
      	at aqy.h(SourceFile:1546)
      	at aqy.k(SourceFile:1428)
      	at qt.k(SourceFile:538)
      	at net.minecraft.server.MinecraftServer.w(SourceFile:667)
      	at qe.w(SourceFile:352)
      	at net.minecraft.server.MinecraftServer.v(SourceFile:592)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:497)
      	at java.lang.Thread.run(Thread.java:748)
      
      18w15a singleplayer
      Description: Ticking entity
      
      java.lang.ClassCastException: ayp cannot be cast to bak
      	at adj.a(SourceFile:33)
      	at aen.d(SourceFile:28)
      	at adu.a(SourceFile:113)
      	at acb.cN(SourceFile:646)
      	at aca.l(SourceFile:1921)
      	at acb.l(SourceFile:506)
      	at abo.l(SourceFile:134)
      	at aca.T_(SourceFile:1776)
      	at acb.T_(SourceFile:286)
      	at aut.a(SourceFile:1297)
      	at sh.a(SourceFile:705)
      	at aut.g(SourceFile:1273)
      	at aut.l(SourceFile:1155)
      	at sh.l(SourceFile:538)
      	at net.minecraft.server.MinecraftServer.w(SourceFile:702)
      	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
      	at dal.v(SourceFile:155)
      	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
      	at java.lang.Thread.run(Thread.java:745)
      

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              • Assignee:
                ProfMobius [Mojang] ProfMobius (Thomas Guimbretiere)
                Reporter:
                NoUser No User
              • Votes:
                3 Vote for this issue
                Watchers:
                6 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: