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  1. Minecraft: Java Edition
  2. MC-101229

Multiple hoppers cause Unexpected error crash caused by NullPointerException

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Awaiting Response
    • Affects Version/s: Minecraft 1.9.3 Pre-Release 1, Minecraft 1.10
    • Fix Version/s: None
    • Confirmation Status:
      Community Consensus

      Description

      Note

      The exact reason why this happens is unknown. This bug cannot be reproduced in 1.9.

      The bug

      Having many hoppers (not pointing into each other) crashes the game. This crash is caused by a java.lang.NullPointerException (see attached crash report).

      How to reproduce

      Create a Superflat world with the preset

      3;minecraft:hopper:0;1;
      

      1.9.3-pre1
      Description: Unexpected error
      
      java.lang.NullPointerException: Unexpected error
      	at aht.k(SourceFile:1415)
      	at bcc.t(SourceFile:1642)
      	at bcc.av(SourceFile:963)
      	at bcc.a(SourceFile:393)
      	at net.minecraft.client.main.Main.main(SourceFile:124)
      

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              • Assignee:
                Unassigned
                Reporter:
                marcono1234 [Mod] Marcono1234
              • Votes:
                2 Vote for this issue
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                3 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: