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:
    30,225
    Latest: FakeFortune Xp10d3, Feb 27, 2020
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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:
    15,462
    Latest: Work in Progress Plugins CodeVyxis, Mar 21, 2018
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  1.   » Sticky Threads
  2. DrBowe
    Locked Sticky

    How to read stack-traces, and troubleshoot your own plugins (by yourself)

    DrBowe, Aug 19, 2011 ... 2 3
    Replies:
    74
    Views:
    107,365
    XzKNIGHTzX
    Aug 13, 2014
  3. Dinnerbone
    Locked Sticky

    ChunkGenerators & BlockPopulators FAQ

    Dinnerbone, Jun 23, 2011 ... 3 4 5
    Replies:
    145
    Views:
    86,945
    minelazz
    Jul 25, 2014
  4. mbaxter
    Locked Sticky

    Common Mistakes

    mbaxter, Sep 12, 2012 ... 5 6 7
    Replies:
    192
    Views:
    54,577
    bdubz4552
    Sep 17, 2014
  5. EvilSeph
    Locked Sticky

    Oops, I didn't break your plugins - ambiguous getHealth()

    EvilSeph, Jul 1, 2013 ... 2
    Replies:
    58
    Views:
    49,599
    ChipDev
    Jul 11, 2014
  6. EvilSeph
    Locked Sticky

    On namespaces - please do NOT use *.bukkit in your plugins.

    EvilSeph, Feb 8, 2011 ... 2 3 4
    Replies:
    99
    Views:
    49,347
    Dudemister1999
    Oct 27, 2014
  7. Zombie_Striker
    Locked Sticky

    [READ ME FIRST] How to make a Plugin Development Thread

    Zombie_Striker, Nov 30, 2015 ... 2
    Replies:
    30
    Views:
    15,025
    MasterDoctor
    Mar 18, 2016
  8. bwfcwalshy
    Locked Sticky

    Marking threads as Solved/Filled

    bwfcwalshy, Mar 22, 2015 ... 2
    Replies:
    42
    Views:
    14,367
    I Al Istannen
    Sep 17, 2016
  9.   » Normal Threads
  10. Erumeldor
    Locked

    Testing for players location - thats not my thread. Can someone delete it?

    Erumeldor, Apr 11, 2017
    Replies:
    0
    Views:
    289,273
    Erumeldor
    Apr 11, 2017
  11. Starrk
    Locked

    [Citizens] Pre-installed Skins

    Starrk, Jun 23, 2011 ... 2 3
    Replies:
    70
    Views:
    287,880
    Scaryman441
    Aug 6, 2014
  12. Dinnerbone
    Locked

    Permissions FAQ

    Dinnerbone, Jul 7, 2011 ... 11 12 13
    Replies:
    378
    Views:
    261,362
    Necrodoom
    Jun 11, 2014
  13. FluffyNarwhals
    Locked

    Disable Mob Spawning Naturally In A World

    FluffyNarwhals, May 25, 2013
    Replies:
    15
    Views:
    166,956
    Puntherline
    Jul 15, 2014
  14. TeyKey1
    Locked

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

    TeyKey1, Jun 20, 2014
    Replies:
    9
    Views:
    117,693
    ferrago
    Jun 23, 2014
  15. Father Of Time
    Locked

    Printing special characters [♠, ♣, ♥, ♦] in chat...

    Father Of Time, Apr 24, 2012 ... 2
    Replies:
    43
    Views:
    102,320
    caldabeast
    Jun 2, 2012
  16. kag359six
    Locked

    Can someone explain permissions and how to set them?

    kag359six, Jun 29, 2012
    Replies:
    12
    Views:
    99,868
    Digi
    Jun 30, 2012
  17. KingFaris11
    Locked

    Best way to check if a String is a UUID

    KingFaris11, Apr 18, 2014
    Replies:
    7
    Views:
    90,335
    xTrollxDudex
    Oct 23, 2014
  18. asdfaf11
    Locked

    [Solved] Java problem? Unsupported major.minor version 51.0

    asdfaf11, Dec 30, 2011
    Replies:
    13
    Views:
    89,411
    gablank
    Feb 23, 2012
  19. Quackster
    Locked

    List of all Bukkit events.

    Quackster, Jun 15, 2012
    Replies:
    2
    Views:
    80,361
    Quackster
    Jun 15, 2012
  20. black_ixx
    Locked

    Example plugin.yml

    black_ixx, Jan 20, 2012 ... 2
    Replies:
    43
    Views:
    77,369
    Marium0505
    May 31, 2013
  21. LucasEmanuel
    Locked

    Solved Trying to find fairly balanced item price list

    LucasEmanuel, May 16, 2013
    Replies:
    10
    Views:
    76,379
    LucasEmanuel
    Jul 29, 2013
  22. Goty_Metal
    Locked

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

    Goty_Metal, Feb 14, 2013
    Replies:
    4
    Views:
    74,328
    Goty_Metal
    Feb 14, 2013
  23. AstramG
    Locked

    Right Click with item event?

    AstramG, May 1, 2012
    Replies:
    22
    Views:
    67,597
    ChunkMe
    May 9, 2014
  24. HugoYip
    Locked

    CoreProtect: Is it possible to use /co rollback without rollback-ing entity?

    HugoYip, Aug 5, 2018
    Replies:
    0
    Views:
    67,402
    HugoYip
    Aug 5, 2018
  25. SnowGears
    Locked

    [SOLVED] Teleporting to the nether and the end with no portals

    SnowGears, Aug 13, 2012
    Replies:
    24
    Views:
    62,623
    SnowGears
    Aug 16, 2012
  26. leet4044
    Locked

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

    leet4044, Aug 24, 2013
    Replies:
    14
    Views:
    62,117
    leet4044
    Aug 24, 2013
  27. Techtony96
    Locked

    Solved Restarting Server

    Techtony96, Oct 24, 2012
    Replies:
    21
    Views:
    58,476
    D3stinia
    Feb 17, 2014
  28. _MrDanya_
    Locked

    Solved keySet() error

    _MrDanya_, Aug 10, 2019
    Replies:
    1
    Views:
    54,683
    timtower
    Aug 19, 2019
  29. Adamki11s
    Locked

    Plugin Development - A HUGE tutorial!

    Adamki11s, Apr 29, 2011 ... 8 9 10
    Replies:
    282
    Views:
    54,152
    teetor
    Jun 4, 2012
  30. Panda_Crafter
    Locked

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

    Panda_Crafter, Jul 29, 2016
    Replies:
    16
    Views:
    53,066
    Panda_Crafter
    Jul 29, 2016
  31. skipperguy12
    Locked

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

    skipperguy12, Jan 11, 2013
    Replies:
    8
    Views:
    52,618
    skipperguy12
    Jan 11, 2013
  32. gregroberti
    Locked

    [SOLVED] Caused by: java.util.ConcurrentModificationException

    gregroberti, Jul 3, 2012
    Replies:
    5
    Views:
    50,959
    gregroberti
    Jul 3, 2012
  33. williamtdr
    Locked

    Solved Teleport the Player

    williamtdr, Oct 3, 2012
    Replies:
    11
    Views:
    50,047
    Geekhellmc
    Jul 13, 2014
  34. iZanax
    Locked

    Solved Howto Give Dyed Leather Armour?

    iZanax, Oct 28, 2012
    Replies:
    23
    Views:
    49,192
    roughtoast
    Jul 25, 2013
  35. BizeaxPvP
    Locked

    getting command args in event

    BizeaxPvP, Aug 10, 2019
    Replies:
    6
    Views:
    49,010
    Machine Maker
    Aug 12, 2019
  36. Tauryuu
    Locked

    Run a console command in a plugin?

    Tauryuu, Jan 7, 2012
    Replies:
    13
    Views:
    47,585
    gummby8
    Feb 11, 2012
  37. Requadin
    Locked

    Making a Countdown Timer

    Requadin, Aug 30, 2012
    Replies:
    18
    Views:
    47,255
    ionre
    Apr 7, 2014
  38. PDKnight
    Locked

    Solved MySQL - No operations allowed after connection closed error

    PDKnight, Jan 1, 2015
    Replies:
    6
    Views:
    46,997
    PDKnight
    Jan 1, 2015
  39. nir
    Locked

    How to create YML file

    nir, May 18, 2012
    Replies:
    15
    Views:
    46,901
    iPoke111
    Feb 23, 2014
  40. cdnyassuo34
    Locked

    Solved %something% but only the %s is checked

    cdnyassuo34, Aug 13, 2019
    Replies:
    19
    Views:
    46,824
    DerDonut
    Aug 13, 2019
  41. MattexFilms
    Locked

    Convert Ticks into Minutes/Seconds?

    MattexFilms, Sep 20, 2012
    Replies:
    5
    Views:
    46,729
    -_Husky_-
    Sep 20, 2012
  42. arkaman
    Locked

    Getting Started with Java & Making Plugins for Minecraft

    arkaman, Jan 27, 2011
    Replies:
    23
    Views:
    45,714
    5dys
    Aug 5, 2014
  43. EvilSeph
    Locked

    Discussion: Oops, I broke your plugins!

    EvilSeph, Jan 17, 2011 ... 8 9 10
    Replies:
    282
    Views:
    44,945
    GeekPlaya
    Feb 3, 2013
  44. Bone008
    Locked

    Eclipse & eGit: can't push to GitHub

    Bone008, Jan 4, 2012
    Replies:
    11
    Views:
    44,784
    Bone008
    Jan 6, 2012
  45. EvilSeph
    Locked

    Oops, I broke your plugins!

    EvilSeph, Jan 15, 2011 ... 2
    Replies:
    35
    Views:
    44,753
    mbaxter
    Dec 5, 2012
  46. teathiev
    Locked

    Incorrect Entity Location After Chunk Unload

    teathiev, Aug 11, 2019
    Replies:
    0
    Views:
    43,634
    teathiev
    Aug 11, 2019
  47. XDemonic25
    Locked

    Add Potion Effect

    XDemonic25, Feb 25, 2012
    Replies:
    13
    Views:
    43,551
    WaywardGeek
    Aug 24, 2013
  48. SnowPingerr
    Locked

    Saving but returns error

    SnowPingerr, Aug 11, 2019
    Replies:
    2
    Views:
    43,493
    Strahan
    Sep 5, 2019
  49. Izz9
    Locked

    How do i use Vault?

    Izz9, Feb 14, 2012
    Replies:
    14
    Views:
    42,792
    quaz3l
    Feb 16, 2012
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