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Want to mod your Minecraft server or make your own mods?

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    Tree Puncher

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Posted 05 March 2011 - 11:35 PM

    Read the paragraph below or you will not be able to mod servers and you will not be able to make mods due to errors!

  This is a tutorial on modding your minecraft server and how to make mods. I have spent weeks trying to look for proof and links and tutorials. This is a composition of all of the information I have found and it will save you a lot of time and stress. Links and programs needed are provided and please, feel free to pm me if you have problems, comments, or questions.

What you need:

  Note: All of these programs are free

Minecraft Server
Port forwarding (Link below)
7zip or WinRar (Links below)
MCP (Link below)
Java JDK (Link below)
EditPlus/Notepad++/Eclipse/Netbeans (text editor with syntax highlighting)
Java programing knowledge (preferred but not necessary)


Minecraft download. You need the minecraft_server.exe and minecraft_server.jar files at the bottom of the page:

More help on setting up a server if this post doesn't help:


How to port forward. You need this to host a server, but not to make mods:



Java JDK (Java Development Kit)
https://cds.sun.com/... ... _Developer

How to set up a system variable on Windows XP:

Modding Tutorials:

How to mod Minecraft_server:

This section teach how to mod your minecraft server to make a modded SMP server. I am certain that this will not work for bukkit, hmod or any other server program other then the original minecraft server files (Minecraft_server.exe   and   Minecraft_server.jar). Firstly, download the server files. The link is above. Download minecraft_server.jar and minecraft_server.exe. You need both, even if you aren't hosting. Then, make a new folder on your desktop and put both files in it. Run minecraft_server.EXE (Make sure it is .exe) to generate the other server files. After that, right click and add a new text document in the server folder and type this:    

                                   java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui

   Save that file as Minecraft.txt  . Following that, click on file, save as, Minecraft.bat  .Now you should have 2 files called Minecraft. As of now, your server is ready to mod. You mod servers just like in single player but DON'T DON'T DON'T delete the meta-inf. You must keep when modding multiplayer. And the server does run and work properly. You must remember that the mods have to be SMP mods to be installed and work. The files are different and are made different so it will not work. Also, in case you were wondering, SMP means Survival MultiPlayer. For more help on setting up a server and modding it, go here: viewtopic.php?f=10&t=165763

How to make your own mods:

If you want to make your own mods, this is for you. You can make mods that are single player only, multiplayer only, or both!

  To do this you will need to have a server able to start and have players connect. Also when you are going to start modding for the first time, your files must not be modded or you will be unable to make mods. You will also need Java JDK installed and have a system path variable set up. Go to the bottom of the post to see how to create a system path variable, or follow the link in the Links section.

  Firstly, You need to download MCP ( Minecraft Coder Pack ) to even start modding.
After you download it, press start on your taskbar (bottom of the computer screen), bring up run and search for %appdata%. When your there go to minecraft and then copy the WHOLE bin and resources folders into one of the folders in MCP called jars (MCP/jars). Put them in that folder. In other words. Put minecraft bin and resources folders into MCP jars folder. After, copy the unmodded minecraft_server.jar an paste it into the same folder MCP/jars. Then run the decompile.bat. You should not have any errors. If you do, you may not have all three items or your files might be modded. When it is decompiled, go to the Minecraft Tutorials link to get started. By now, you should have these programs installed to mod and run servers: minecraft, minecraft_server.exe/.jar, winrar/7zip, MCP, java jdk. If you have all of these and you follow the post, you are now able to mod and make mods for single player and multiplayer. One last piece of information. There is more information on modding. I just need to cover the basics. For the other information, go to Minecraft Tutorials .

How to create a system path:

Right click on my computer


Click on advanced system properties

environment variable


at the end make sure there is a semi colon ( If not add one ) and add the link to the .bin of the java JDK

       That's all. Thanks for reading and pm me if you have any questions, comments, or problems with modding.

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    Tree Puncher

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Posted 06 March 2011 - 06:01 AM

Post replies to keep the post on the front page. But rate, not spam.



    Zombie Killer

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Posted 06 March 2011 - 07:07 AM

Imma post a reply to this so this thread can be found in my posts.
ALSO imma do this when i get back to my computer
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  • Location: Onekama, Michigan.
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Posted 06 March 2011 - 03:50 PM

Do you know how to do this for mac?

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    Tree Puncher

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Posted 06 March 2011 - 05:59 PM

I don't have a mac, sorry. You may try to look it up on google.



    Tree Puncher

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Posted 12 March 2011 - 07:58 PM

Please keep posting.



    Tree Puncher

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Posted 15 March 2011 - 07:19 PM

BTW how can u post a link into a folder , doesnt make sense to me :S
Minecraft 4 LIFE
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To Do:
Reach 10 Posts [X]
Reach 20 Posts [x]
Reach 50 Posts []
Reach 100 Posts []
Learn How to mod [x]
Make My first Mod [x]
Make A POPULAR mod []



    Forum/Wiki Sponsor

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Posted 15 March 2011 - 07:22 PM

Interesting how you posted a new thread, for the same thing... Please keep it in one thread.

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Mega Bear said:

Not really a game... just a mass suicide you're inviting people to take part in.

What is this, I don't even

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Posted 16 March 2011 - 07:17 PM

Nice i've been looking how to make my mods server compatible :( Thank you!
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    Tree Puncher

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Posted 23 March 2011 - 03:45 PM

:VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:  :VV:
your house :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  :Lava:  
your basement and :D  :P  :DORE:  :P  :D  :D  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:  :SSSS:
your house outside :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt:  :tnt: yourself this is confusing as hell



Posted 23 March 2011 - 04:01 PM

"Just like modding single player."


It will be funny when people start asking why their *Insert here* isn't updating on anyones client properly because you never mentioned entity trackers and the like.
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Posted 25 March 2011 - 09:17 PM



  • Minecraft: Upstagebuffalo

Posted 12 May 2012 - 01:54 PM

This topic is usless, I already knew how to do this but it doesnt show you HOW to mod, it just shows you the programs and how to install them, but not how to use them to actually mod.



Posted 16 May 2012 - 03:46 AM

Thx  saved my life!
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  • Minecraft: GreenDay987

Posted 22 November 2012 - 09:55 PM

So, we need to get server programs to make a singleplayer mod?