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  1. Minecraft: Java Edition
  2. MC-99407

Command Block Bug - LAN Multiplayer Issue - Command Blocks Are Not Editable - Sometimes Leads to Frozen Game On Quit

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 1.9
    • Fix Version/s: None
    • Labels:
      None
    • Environment:

      Windows Professional Service Pack 1
      64-bit Operating System
      Windows is Activated
      Java Version: 1.8.0_65
      Minecraft Forge is NOT Installed

    • Confirmation Status:
      Unconfirmed
    • Game Mode:
      Creative

      Description

      I was playing Minecraft with others. Someone wanted to play on one of my adventure worlds, that I had created in Creative. I opened the world to LAN, and someone joined my world using "Direct Connect". After that person joined, I wanted to edit a command block. However, when I right-clicked on it, the command block would not allow me to edit it, but instead reacted like a block that cannot store data, such as stone. I was still able to edit the block with "/blockdata", and I could receive and place command blocks with pick-block and "/give", but I could not edit the command block the normal way. I was in Creative when I attempted to edit the command block. This also happened several other times. The world was created in version 1.9.0.

      strong What I expected to happen was...:
      I expected to be able to edit the command block by right-clicking on it in Creative.

      strong What happened was...:
      The block reacted in the same way as a block that cannot store data, like stone. I had to edit the command block by using "/blockdata" from the chat line.

      strong Steps to Reproduce:

      1. Create a World
      2. Place a Command Block
      3. Save and Quit to Title
      4. Re-Open the World
        strong # IMPORTANT Do NOT Edit a Command Block by right-clicking on it.
      5. Open the World to LAN; The Game Mode Does Not Matter, But Cheats Have to be OFF
      6. Right-Click the Command Block, and Wonder How to Fix This
      7. Save and Quit to Title
      8. (Sometimes) Watch Minecraft Become Unresponsive

      I have attached a copy of the Game Output of a world called "Test Bug" to this bug report. This bug sometimes makes Minecraft unresponsive as well. This bug can be avoided two ways; you can either right-click a command block before opening a world to LAN, or you can open the world to LAN with cheats enabled. Thank you for your time.

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              • Assignee:
                Unassigned
                Reporter:
                Rocketboy314 Andrew H
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                Dates

                • Created:
                  Updated:
                  Resolved: