Fabric API

Mods

31,748,107 Downloads Last Updated: Jun 23, 2022 Game Version: 1.19 +1

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Fabric API is the core library for the most common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.

Fabric’s APIs are lightweight and modular, making porting faster and game instances leaner.
Fabric development targets snapshots as well as release versions, allowing earlier mod updates and more informed community planning.
The Fabric toolchain is available for everyone to use - even if you only want to use some of it!

More infomation and full installation instructions can be found on the Fabric website and support can be found on the Fabric discord server.

This is SEPARATE from the Fabric loader! You need both for most mods! Keep in mind the project requires the Fabric mod loader!

Popular previous versions can be found here:

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Forge_User_09743793
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Posted Jan 17, 2019 #54
In reply to asiekierka:

I have it fixed now. I'm now using multimc instead of the regular launcher.

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Chefbarbie
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Posted Jan 17, 2019 #50
~~I am able to load the game fine with just this, but when I try to enter a game (sp) I crash with this:~~

~~https://pastebin.com/3HhhEm1x~~

Issue fixed through github.

Last edited by Chefbarbie: Jan 17, 2019

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lunahime25
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Posted Jan 15, 2019 #48
i am able to play mods in single player min i try multiplayer it is not working. i can see the mods in admin mode but i cant place or throw them out of my inventor, im really not sure what i am doing wrong. have ran servers before.

i also can get datapacks to work just no mods.

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memes_planet
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Posted Jan 15, 2019 #47
[00:28:18] [main/INFO]: Loading tweak class name net.minecraft.launchwrapper.VanillaTweaker
[00:28:18] [main/INFO]: Using primary tweak class name net.minecraft.launchwrapper.VanillaTweaker
[00:28:18] [main/INFO]: Calling tweak class net.minecraft.launchwrapper.VanillaTweaker
[00:28:18] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_191]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_191]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_191]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_191]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
... 6 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

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asiekierka
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Posted Jan 16, 2019 #49
In reply to dzgamer2005:

Sounds like a very old version of FabricLoader, if you're even loading Fabric at all... Could also be the Java version?

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memes_planet
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Posted Jan 17, 2019 #55
In reply to asiekierka:

so how to load it

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mo_shark
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Posted Jan 3, 2019 #35
Fabric isn't loading any mods on a server, but it's acknowledging them. I'm not sure if I'm doing anything wrong but I followed everything correctly on your server installing page. I'll send any information if you tell me what you need.

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asiekierka
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Posted Jan 4, 2019 #36
In reply to StevenHeart:

How is it acknowledging but not loading? What are the symptoms?

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mo_shark
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Posted Jan 4, 2019 #37
In reply to asiekierka:

This is the full server log of when I start it up:

http://prntscr.com/m2xtff

It says that it loads the mods I have installed on the server, but it doesn't actually let us use them. I can't place down any blocks related to any of those mods, and I can also join the server with all these mods despite it (supposedly) not having/allowing them. These blocks do have recipes, so it shouldn't say "Loaded 0 recipes" at the top. If I spawn in the blocks through creative, I can keep them in my inventory but I can't do anything with them. If I try to place a modded block, it disappears like a server normally does when you have a mod that it doesn't have. The server runs normally with or without mods. I should also note that I'm not experienced in creating or managing servers.

Last edited by mo_shark: Jan 4, 2019

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asiekierka
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Posted Jan 4, 2019 #38
In reply to StevenHeart:

Something is, indeed, wrong with the way your game is loading... Could you try deleting the ".fabric" folder and trying again?

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mo_shark
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Posted Jan 4, 2019 #42
In reply to asiekierka:

That didn't do anything sadly. Could be a thing with the latest version of fabric? I don't know

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lunahime25
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Posted Jan 15, 2019 #45
In reply to StevenHeart:

i have this same issue , did u ever get it to work or find out what u was doing wrong?

i am able to play mods in single player min i try multiplayer it is not working. i can see the mods in admin mode but i cant place or throw them out of my inventor, im really not sure what i am doing wrong. have ran servers before.

Last edited by lunahime25: Jan 15, 2019

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mo_shark
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Posted Jan 19, 2019 #58
In reply to lunabeam19:

I did fix it. I went to their discord and asked a few people. The problem is that fabric doesn't recognize directories with spaces in it. So my directory used to be this:

C:\Users\Myname\Desktop\Work\Games\Minecraft\Fabric Server

Now its:

C:\Users\Mohammad\Desktop\Work\Games\Minecraft\FabricServer

There isn't a space in "FabricServer", and I assume there can't be spaces anywhere after the 'C:' part. Sorry for the late reply, I only got the notification today.

Last edited by mo_shark: Jan 20, 2019

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asiekierka
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Posted Jan 20, 2019 #59
In reply to StevenHeart:

Pretty confident we fixed it in 0.3.3, as per the PSA

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Forge_User_74279023
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Posted Jan 3, 2019 #33
how come it isn't woking???

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asiekierka
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Posted Jan 3, 2019 #34
In reply to Forge_User_74279023:

It's mighty interesting how you made this comment less than a minute after creating your account. But, for the sake of argument, I'll assume you're two different people, and as such I have to say this: If you have the Fabric mod loader, you should probably ask in the project's relevant community spaces. You have given insufficient information - zero logs, zero configuration details - and I'm not an oracle.

Last edited by asiekierka: Jan 3, 2019

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camkablamdev
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Posted Jan 4, 2019 #40
In reply to asiekierka:

I managed to fix the problem

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lunahime25
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Posted Jan 15, 2019 #46
In reply to kablamgaming:

how did u fix it please let me know.

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camkablamdev
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Posted Jan 3, 2019 #31
It won't load with any mods!

What's the problem!

Last edited by camkablamdev: Jan 3, 2019

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Forge_User_74279023
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Posted Jan 3, 2019 #32
In reply to kablamgaming:

i know right!

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