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  1. Minecraft: Java Edition
  2. MC-249136

Freeze/server-side lag spike sometimes occurs when attempting to locate a buried treasure or opening/breaking a chest containing a map

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 24w04a
    • 22w11a, 22w12a, 22w15a, 22w17a, 1.19 Pre-release 1, 1.19 Pre-release 3, 1.19 Pre-release 5, 1.19, 1.19.1 Release Candidate 1, 1.19.1 Pre-release 3, 1.19.1 Pre-release 5, 1.19.1, 1.19.2, 22w46a, 1.19.3 Pre-release 2, 1.19.3, 23w07a, 1.19.4, 23w14a, 1.20 Release Candidate 1, 1.20, 1.20.1, 23w31a, 23w32a, 23w33a, 1.20.2, 1.20.3 Pre-Release 2, 1.20.4
    • Confirmed
    • Maps, Performance, World generation
    • Normal
    • Platform

      The bug

      A server-side lag spike sometimes occurs when attempting to locate a buried treasure or opening/breaking a chest containing a map. Some players have reported crashes caused by this issue, one of which is attached.

      Code analysis

      Code analysis by Bytzo can be found in this comment.

        1. 2022-03-16_16.15.26.png
          2022-03-16_16.15.26.png
          78 kB
        2. 2022-03-16_16.17.22.png
          2022-03-16_16.17.22.png
          332 kB
        3. 2022-03-16_16.21.51.png
          2022-03-16_16.21.51.png
          1.08 MB
        4. 2022-03-16_17.17.12.png
          2022-03-16_17.17.12.png
          216 kB
        5. 2022-05-03_08.25.37.png
          2022-05-03_08.25.37.png
          399 kB
        6. 23w14a_maps_lag_server_log.log
          100 kB
        7. 23w14a_maps_lag_server_log-1.log
          100 kB
        8. crash-2022-04-13_18.41.00-server.txt
          62 kB
        9. deobf_crash-2022-04-13_18.41.00-server.txt
          126 kB
        10. Explorer map freeze.webm
          9.67 MB
        11. image-2022-09-23-14-55-03-920.png
          image-2022-09-23-14-55-03-920.png
          160 kB
        12. jfr-report-server-2023-04-05-211205.json
          25 kB
        13. jfr-report-server-2023-04-05-211205-1.json
          25 kB
        14. jfr-report-server-2023-04-05-211538.json
          13 kB
        15. jfr-report-server-2023-04-05-211538-1.json
          13 kB
        16. Minecraft 23w14a - Multiplayer (3rd-party Server) 2023-04-05 21-12-12.mp4
          6.95 MB
        17. Minecraft 23w14a - Multiplayer (3rd-party Server) 2023-04-05 21-15-44.mp4
          7.65 MB

            Unassigned Unassigned
            ampolive [Mod] ampolive
            Votes:
            57 Vote for this issue
            Watchers:
            35 Start watching this issue

              Created:
              Updated:
              Resolved:
              CHK: