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  1. Minecraft: Java Edition
  2. MC-88632

Unable to open command blocks & no particles when opening to LAN

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 15w37a, Minecraft 15w38a, Minecraft 15w38b, Minecraft 15w39a, Minecraft 15w39b, Minecraft 15w39c, Minecraft 15w40a, Minecraft 15w40b, Minecraft 15w41b, Minecraft 15w42a, Minecraft 15w43a, Minecraft 15w43b, Minecraft 15w43c, Minecraft 15w44b, Minecraft 15w45a, Minecraft 15w46a, Minecraft 15w47a, Minecraft 15w47b, Minecraft 15w47c, Minecraft 15w49a, Minecraft 15w49b, Minecraft 15w50a, Minecraft 15w51a, Minecraft 15w51b, Minecraft 16w02a, Minecraft 16w03a, Minecraft 16w04a, Minecraft 16w05a, Minecraft 16w05b, Minecraft 16w06a, Minecraft 16w07a, Minecraft 16w07b, Minecraft 1.9 Pre-Release 1, Minecraft 1.9 Pre-Release 2, Minecraft 1.9 Pre-Release 3, Minecraft 1.9 Pre-Release 4, Minecraft 1.9, Minecraft 1.9.1 Pre-Release 1, Minecraft 1.9.1 Pre-Release 2, Minecraft 1.9.1 Pre-Release 3, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 16w14a, Minecraft 16w15a, Minecraft 16w15b, Minecraft 1.9.3 Pre-Release 1, Minecraft 1.9.3 Pre-Release 2, Minecraft 1.9.3 Pre-Release 3, Minecraft 1.9.3, Minecraft 1.9.4, Minecraft 16w20a, Minecraft 16w21a, Minecraft 16w21b, Minecraft 1.10 Pre-Release 1, Minecraft 1.10 Pre-Release 2, Minecraft 1.10, Minecraft 1.10.2, Minecraft 16w32a, Minecraft 16w32b, Minecraft 16w33a, Minecraft 16w35a, Minecraft 16w36a, Minecraft 16w38a, Minecraft 16w39a, Minecraft 16w39b, Minecraft 16w39c, Minecraft 16w40a, Minecraft 16w41a, Minecraft 16w42a, Minecraft 16w43a, Minecraft 16w44a, Minecraft 1.11 Pre-Release 1, Minecraft 1.11, Minecraft 16w50a, Minecraft 1.11.1, Minecraft 1.11.2, Minecraft 17w06a, Minecraft 17w13a, Minecraft 17w13b, Minecraft 17w14a, Minecraft 17w15a, Minecraft 17w16a, Minecraft 17w16b, Minecraft 17w17b, Minecraft 17w18a, Minecraft 1.12 Pre-Release 5, Minecraft 1.12 Pre-Release 6, Minecraft 1.12, Minecraft 1.12.1 Pre-Release 1, Minecraft 1.12.1, Minecraft 1.12.2, Minecraft 17w45a, Minecraft 17w45b, Minecraft 17w46a, Minecraft 17w47a, Minecraft 17w47b, Minecraft 17w50a, Minecraft 18w05a, Minecraft 18w11a, Minecraft 18w22c
    • Fix Version/s: Minecraft 1.13-pre8
    • Confirmation Status:
      Confirmed
    • Game Mode:
      Creative

      Description

      Steps to reproduce

      1. Make a world with cheats enabled
      2. Open to LAN (Cheats disabled)
      3. Try using commands or using command blocks
        → Commands work, but command blocks have no placing animation and no breaking particles and you cannot interact with them (similar to MC-87872 and MC-87877)

      Code analysis

      The following is based on a custom decompiled version of Minecraft 1.10.2 using MCP 9.31.

      This happens because the client thinks the player is unable to use commands and destroy command blocks whereas the server thinks the player is able to use commands and break command blocks because he is the owner.

      • Client method: net.minecraft.client.entity.EntityPlayerSP.canCommandSenderUseCommand(int, String)
      • Server method: net.minecraft.server.management.PlayerList.canSendCommands(GameProfile)

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              • Assignee:
                Unassigned
                Reporter:
                Neko [Mod] Neko
              • Votes:
                14 Vote for this issue
                Watchers:
                13 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: