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  1. Minecraft: Java Edition
  2. MC-101229

Multiple hoppers cause Unexpected error crash caused by NullPointerException

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    • Icon: Bug Bug
    • Resolution: Awaiting Response
    • None
    • Minecraft 1.9.3 Pre-Release 1, Minecraft 1.10
    • Community Consensus

      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)
      

            Unassigned Unassigned
            marcono1234 Marcono1234
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              Created:
              Updated:
              Resolved:
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