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  1. Minecraft: Java Edition
  2. MC-38169

[Server] Blocks can be placed on air

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    Details

    • Type: Bug
    • Status: Reopened
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 1.7.1, Minecraft 1.7.2, Minecraft 1.7.4, Minecraft 15w41b, Minecraft 1.9.1 Pre-Release 3, Minecraft 1.11
    • Fix Version/s: None
    • Labels:
    • Confirmation Status:
      Confirmed

      Description

      Note: This is NOT a duplicate of MC-9686 which is a client bug, I am describing a Server issue + My issue works in Survival mode, too.

      Reproduce

      • Join Server as non-op (works best with slow connection)
      • Locate Spawn area
      • Place block¹ on the Spawn border
      • Quickly place another block² on that block¹
      • Server will not accept block¹ and tell the Client to remove it
      • Server will accept block² although it has technically been placed on air
      Result

      The problem

      when the client places a block in a restricted area and per lag it doesn't immediately get removed, you can place a block on that block (because the client still thinks it is there) even though there isn't a block to place it on. [...] it means that with a hacked client you can place a block anywhere regardless of wether there is a block to place it on.

      Thanks Ezekiel for calrification

      Fix

      Do not allow to place Blocks on air

      Leave a comment if you need more details

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            • Assignee:
              Unassigned
              Reporter:
              redstonesheep jomo
            • Votes:
              1 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

              • Created:
                Updated:
                CHK: