Plugin Development

Need help developing a plugin? Got a bug you can't squash? Ask in here!

  1. Resources

    Useful resources for developers, like tutorials and guides, etc.
    Discussions:
    1,524
    Messages:
    30,060
    Latest: Create Custom Items and Textures lil_kho, Oct 5, 2023
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  2. WIP and Development Status

    Works in progress and status of plugins being ported can be found here.
    Discussions:
    995
    Messages:
    15,458
    Latest: Work in Progress Plugins CodeVyxis, Mar 21, 2018
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  1. TeyKey1
    Locked

    Solved The type java.util.Map$Entry cannot be resolved.

    TeyKey1, Jun 20, 2014
    Replies:
    9
    Views:
    138,434
    ferrago
    Jun 23, 2014
  2. Forge_User_36160002
    Locked

    Solved Delete all player data (as if he had never played)

    Forge_User_36160002, Feb 14, 2013
    Replies:
    4
    Views:
    89,841
    Goty_Metal
    Feb 14, 2013
  3. LucasEmanuel
    Locked

    Solved Trying to find fairly balanced item price list

    LucasEmanuel, May 16, 2013
    Replies:
    10
    Views:
    86,233
    LucasEmanuel
    Jul 29, 2013
  4. Panda_Crafter
    Locked

    Solved java.lang.Long cannot be cast to java.lang.Integer

    Panda_Crafter, Jul 29, 2016
    Replies:
    16
    Views:
    76,087
    Panda_Crafter
    Jul 29, 2016
  5. williamtdr
    Locked

    Solved Teleport the Player

    williamtdr, Oct 3, 2012
    Replies:
    11
    Views:
    73,102
    Geekhellmc
    Jul 13, 2014
  6. Techtony96
    Locked

    Solved Restarting Server

    Techtony96, Oct 24, 2012
    Replies:
    21
    Views:
    67,404
    D3stinia
    Feb 17, 2014
  7. leet4044
    Locked

    Solved java.lang.NumberFormatException: For input string: "Game"

    leet4044, Aug 24, 2013
    Replies:
    14
    Views:
    64,714
    leet4044
    Aug 24, 2013
  8. PDKnight
    Locked

    Solved MySQL - No operations allowed after connection closed error

    PDKnight, Jan 1, 2015
    Replies:
    6
    Views:
    61,183
    PDKnight
    Jan 1, 2015
  9. Blackhawk3356
    Locked

    Solved Spawning in last location on world change. (MultiVerse)

    Blackhawk3356, Feb 13, 2014
    Replies:
    5
    Views:
    57,157
    CraftyBell
    Mar 15, 2015
  10. FowD8
    Locked

    Solved Problem loading libraries with Maven... "java.lang.NoClassDefFoundError: org/json/JSONObject"

    FowD8, Aug 9, 2016
    Replies:
    5
    Views:
    55,635
    FowD8
    Aug 9, 2016
  11. _MrDanya_
    Locked

    Solved keySet() error

    _MrDanya_, Aug 10, 2019
    Replies:
    1
    Views:
    55,045
    timtower
    Aug 19, 2019
  12. skipperguy12
    Locked

    Solved [SQL] - How do I INSERT INTO if not exists?

    skipperguy12, Jan 11, 2013
    Replies:
    8
    Views:
    54,886
    skipperguy12
    Jan 11, 2013
  13. iZanax
    Locked

    Solved Howto Give Dyed Leather Armour?

    iZanax, Oct 28, 2012
    Replies:
    23
    Views:
    54,831
    roughtoast
    Jul 25, 2013
  14. kennylax12
    Locked

    Solved Remove Items from a Player's Inventory

    kennylax12, Sep 13, 2012
    Replies:
    3
    Views:
    51,144
    kennylax12
    Sep 16, 2012
  15. TheEnderCrafter9
    Locked

    Solved Convert ticks to minutes and seconds.

    TheEnderCrafter9, Sep 6, 2016
    Replies:
    8
    Views:
    48,833
    DoggyCode™
    Sep 6, 2016
  16. kreashenz
    Locked

    Solved Annoying NoClassDefFoundError..

    kreashenz, Mar 18, 2013
    Replies:
    14
    Views:
    48,657
    TheKnower
    Apr 11, 2014
  17. Jogy34
    Locked

    Solved NBT Tags

    Jogy34, Nov 10, 2012
    Replies:
    27
    Views:
    48,455
    fireblast709
    Nov 22, 2012
  18. grrocks
    Locked

    Solved Best way to change Spawner spawn rates?

    grrocks, Dec 12, 2015
    Replies:
    4
    Views:
    48,381
    grrocks
    Dec 12, 2015
  19. CeramicTitan
    Locked

    Solved Particle Effects

    CeramicTitan, Nov 14, 2012
    Replies:
    25
    Views:
    47,935
    eyamaz
    Mar 25, 2015
  20. PureIndianSkillz
    Locked

    Solved Add enchantment to item stack

    PureIndianSkillz, Jul 30, 2013
    Replies:
    9
    Views:
    47,768
    TheUndeadGamer101
    Apr 17, 2014
  21. cdnyassuo34
    Locked

    Solved %something% but only the %s is checked

    cdnyassuo34, Aug 13, 2019
    Replies:
    19
    Views:
    47,396
    DerDonut
    Aug 13, 2019
  22. skore87
    Locked

    Solved Have scheduler task cancel itself?

    skore87, Jan 7, 2012
    Replies:
    26
    Views:
    44,429
    skore87
    Apr 10, 2013
  23. njb_said
    Locked

    Solved Item Drop Event

    njb_said, Mar 8, 2013
    Replies:
    9
    Views:
    44,302
    Codisimus
    Mar 8, 2013
  24. Deleted user
    Locked

    Solved Load a world.

    Deleted user, Sep 30, 2012
    Replies:
    17
    Views:
    42,958
    Jogy34
    Oct 1, 2012
  25. xWatermelon
    Locked

    Solved Double Jump

    xWatermelon, Feb 2, 2013 ... 2
    Replies:
    49
    Views:
    41,348
    Plo124
    Aug 8, 2013
  26. BENCLABSTER
    Locked

    Solved Sending a Player to A different server using BungeeCord

    BENCLABSTER, Jun 13, 2013
    Replies:
    24
    Views:
    41,208
    BENCLABSTER
    Jun 15, 2013
  27. Giorgio
    Locked

    Solved How to set spawn?

    Giorgio, Oct 4, 2012
    Replies:
    21
    Views:
    40,839
    Phasesaber
    Jun 29, 2014
  28. Resolver
    Locked

    Solved SQLibrary, syntax error near ',' when inserting multiple values into a table in one line

    Resolver, Sep 29, 2015
    Replies:
    10
    Views:
    40,421
    Resolver
    Sep 30, 2015
  29. wreed12345
    Locked

    Solved java.lang.IllegalAccessError ??? How do I fix?

    wreed12345, Jul 23, 2013
    Replies:
    6
    Views:
    39,692
    wreed12345
    Jul 24, 2013
  30. Terra_Miner
    Locked

    Solved Displaying ItemStack in chat using kyori.adventure HoverEvent

    Terra_Miner, Jul 7, 2023
    Replies:
    5
    Views:
    38,603
    EvilWitchdoctor
    Jul 14, 2023
  31. mrkirby153
    Locked

    Solved Zip Exception: Not in GZIP Format

    mrkirby153, Mar 11, 2014
    Replies:
    8
    Views:
    37,872
    mrkirby153
    Mar 12, 2014
  32. Codisimus
    Locked

    Solved Force Player to run a command

    Codisimus, Apr 3, 2013
    Replies:
    11
    Views:
    37,865
    Codisimus
    Apr 3, 2013
  33. YoFuzzy3
    Locked

    Solved Get player count and motd of another server

    YoFuzzy3, Jan 15, 2013
    Replies:
    19
    Views:
    37,842
    njb_said
    Feb 15, 2013
  34. SnipsRevival
    Locked

    Solved Sending a Message to Console?

    SnipsRevival, Jul 11, 2013
    Replies:
    4
    Views:
    37,735
    Levi2241
    Jul 11, 2013
  35. user_90599104
    Locked

    Solved Reloading Config

    user_90599104, Sep 28, 2012
    Replies:
    13
    Views:
    35,640
    AndrewAnderVille
    Sep 28, 2012
  36. JjPwN1
    Locked

    Solved Automatically change server's MOTD

    JjPwN1, Oct 26, 2012
    Replies:
    7
    Views:
    35,546
    Techtony96
    Oct 29, 2012
  37. Burn38
    Locked

    Solved config.yml errors: expected '<document start>', but found BlockMappingStart

    Burn38, Jul 12, 2015
    Replies:
    4
    Views:
    35,501
    Burn38
    Jul 12, 2015
  38. djbomber36
    Locked

    Solved Group creator command

    djbomber36, Jun 20, 2019 ... 3 4 5
    Replies:
    121
    Views:
    34,659
    djbomber36
    Jul 2, 2019
  39. lilian58660
    Locked

    Solved Class files on classpath not found or not accessible

    lilian58660, Jul 28, 2015
    Replies:
    7
    Views:
    34,165
    lilian58660
    Jul 29, 2015
  40. Deleted user
    Locked

    Solved Unable to compile my Maven Project

    Deleted user, Apr 22, 2014
    Replies:
    3
    Views:
    33,365
    Garris0n
    Apr 23, 2014
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