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How do I use ModLoader along with Magic Launcher?

WeegeeBen's Avatar WeegeeBen3/18/12 9:17 am
1 emeralds 4.9k 13
9/26/2012 12:19 pm
ahandy1's Avatar ahandy1
I want to use Magic Launcher to install mods, but whenever I try to use them, it says Modloader is needed. Then when I try to install ModLoader using Magic Launcher, it won't load Minecraft and just gives me a long line of code that looks like this:

*** MagicMinecraftLauncher 0.9.7 ***
java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:676)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:317)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:676)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:317)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:375)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getMethod0(Class.java:2642)
at java.lang.Class.getMethod(Class.java:1579)
at magic.launcher.Launcher.main(Unknown Source)

Am I doing something wrong? Why won't it work? And If I am doing it wrong, how am I supposed to do it?
Posted by WeegeeBen's Avatar
WeegeeBen
Level 1 : New Crafter
1

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13

1
09/26/2012 12:19 pm
Level 2 : Apprentice Network
ahandy1
ahandy1's Avatar
1
09/25/2012 4:21 pm
Level 15 : Journeyman Narwhal
l2lEC0N
l2lEC0N's Avatar
I have the same problem...
1
07/09/2012 4:42 pm
Level 1 : New Miner
marifran
marifran's Avatar
Hi. I've been using modloader on magic launcher for months. I'm using magic launcher 0.9.8, modloader for 1.2.5 and mcpatcher. I had to look up versions of modloader for days before I got one that worked well on magic launcher (not all modloader 1.2.5 zips are exactly the same: there might be small changes within the file). I don't remember where I downloaded my copy, but if you want, I can send it to you. You might also need forge and modloadermp, so I can send them too. If you like, you can look up versions in minecraft forums, planet minecraft and minecraftdl. This is where I usually get my mods.

Hope I've been of some help.
1
06/09/2012 8:25 pm
Level 1 : New Miner
Bloody_Spork
Bloody_Spork's Avatar
For Windows 7 (should work also on XP, though)

[youtube]www.youtube.com/watch?v=3LBCRJZ0MHs[/youtube]
1
06/09/2012 8:23 pm
Level 1 : New Miner
Bloody_Spork
Bloody_Spork's Avatar
I created an account just for this.

How to Install ModLoader for Mac
*These steps are a little bit complicated. So, follow it step-by-step.

1.Go to Application->Utitlities and Find Terminal App
2.In Terminal App type in these commands, line by line
1.cd ~
2.mkdir mctmp
3.cd mctmp
4.jar xf ~/Library/Application\ Support/minecraft/bin/minecraft.jar
3.Don’t close the terminal yet, go outside and copy all the files and folders into the mctmp folder that created by command line in previous step
4.Go back inside the Terminal, type in
1.rm META-INF/MOJANG_C.*
2.jar uf ~/Library/Application\ Support/minecraft/bin/minecraft.jar ./
3.cd ..
4.rm -rf mctmp
5.Finally, Finished!

This TuT was on their site, I hope it helps.
1
04/21/2012 12:48 pm
Level 12 : Journeyman Explorer
ustinodj
ustinodj's Avatar
Sadly I'm having the same prob, ill tell you if i find an answer.
1
03/19/2012 6:22 pm
Level 66 : High Grandmaster Hero
sed11
sed11's Avatar
Well Windows is better if you're playing games and installing mods for minecraft. *as it is easier.*

I would help but I've never used a Mac or atleast don't remember using one :/
1
03/19/2012 5:32 pm
Level 1 : New Crafter
WeegeeBen
WeegeeBen's Avatar
If it was simple, it would have worked the last 80 times I tried it. I have a Mac, so Winrar is out of the question, and the "way around it" that involved decompressing the jar into a folder, inserting them there, then renaming the folder minecraft.jar has only given me the black screen of death. And yes, I did delete META-INF.
1
03/19/2012 7:37 am
Level 40 : Master Network
ZaphodX
ZaphodX's Avatar
Bump at most once every 24 hours please.

Why don't you just drag the files into your minecraft jar. It's simple.
1
03/19/2012 7:20 am
Level 1 : New Crafter
WeegeeBen
WeegeeBen's Avatar
Bump.

I really feel like a noob bumping this up so much, but I really need help and so far no one has.
1
03/18/2012 4:36 pm
Level 1 : New Crafter
WeegeeBen
WeegeeBen's Avatar
I know I'll sound stupid, but I have no clue as to what you mean.

There is a check box on the mod loading screen that says "external mods", though. Just so you know, that's not checked.
1
03/18/2012 10:00 am
Level 48 : Master Modder
Bztatman
Bztatman's Avatar
you load it has a internal mod not a exturnal mod
1
03/18/2012 9:44 am
Level 1 : New Crafter
WeegeeBen
WeegeeBen's Avatar
Bump. I really need help with this.
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