Minecraft Failed to Launch (Optifine + Forge)

#1 Jun 21, 2015
CheezerD
CheezerD

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- Join Date: 6/21/2015
- Posts: 4
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I followed the steps here: http://minecraft.gamepedia.com/Mods/Installing_OptiForge/Forge_Installer to install forge and optifine.

EDIT: The versions of Forge and Optifine that I used are:

Forge 1.8 11.14.3.1450

Optifine 1.8.4 HD U D4

At the end, when I tried to play the game, the game would not load. The exception from the Game Output looks like this:

java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/block/state/BlockState$StateImplementation
at net.minecraft.block.state.BlockState.createState(BlockState.java:55) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:83) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:50) ~[bed.class:?]
at net.minecraft.block.Block.func_180661_e(Block.java:968) ~[atr.class:?]
at net.minecraft.block.Block.<init>(Block.java:248) ~[atr.class:?]
at net.minecraft.block.BlockAir.<init>(BlockAir.java:15) ~[asy.class:?]
at net.minecraft.block.Block.func_149671_p(Block.java:2016) ~[atr.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:554) ~[od.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:315) ~[bsu.class:?]
at net.minecraft.client.main.Main.main(SourceFile:120) ~[Main.class:?]
... 6 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.block.state.BlockState$StateImplementation
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at net.minecraft.block.state.BlockState.createState(BlockState.java:55) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:83) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:50) ~[bed.class:?]
at net.minecraft.block.Block.func_180661_e(Block.java:968) ~[atr.class:?]
at net.minecraft.block.Block.<init>(Block.java:248) ~[atr.class:?]
at net.minecraft.block.BlockAir.<init>(BlockAir.java:15) ~[asy.class:?]
at net.minecraft.block.Block.func_149671_p(Block.java:2016) ~[atr.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:554) ~[od.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:315) ~[bsu.class:?]
at net.minecraft.client.main.Main.main(SourceFile:120) ~[Main.class:?]
... 6 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/block/state/BlockStateBase
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_25]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at net.minecraft.block.state.BlockState.createState(BlockState.java:55) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:83) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:50) ~[bed.class:?]
at net.minecraft.block.Block.func_180661_e(Block.java:968) ~[atr.class:?]
at net.minecraft.block.Block.<init>(Block.java:248) ~[atr.class:?]
at net.minecraft.block.BlockAir.<init>(BlockAir.java:15) ~[asy.class:?]
at net.minecraft.block.Block.func_149671_p(Block.java:2016) ~[atr.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:554) ~[od.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:315) ~[bsu.class:?]
at net.minecraft.client.main.Main.main(SourceFile:120) ~[Main.class:?]
... 6 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.block.state.BlockStateBase
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_25]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at net.minecraft.block.state.BlockState.createState(BlockState.java:55) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:83) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:50) ~[bed.class:?]
at net.minecraft.block.Block.func_180661_e(Block.java:968) ~[atr.class:?]
at net.minecraft.block.Block.<init>(Block.java:248) ~[atr.class:?]
at net.minecraft.block.BlockAir.<init>(BlockAir.java:15) ~[asy.class:?]
at net.minecraft.block.Block.func_149671_p(Block.java:2016) ~[atr.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:554) ~[od.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:315) ~[bsu.class:?]
at net.minecraft.client.main.Main.main(SourceFile:120) ~[Main.class:?]
... 6 more
Caused by: java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_25]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_25]
at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_25]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at net.minecraft.block.state.BlockState.createState(BlockState.java:55) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:83) ~[bed.class:?]
at net.minecraft.block.state.BlockState.<init>(BlockState.java:50) ~[bed.class:?]
at net.minecraft.block.Block.func_180661_e(Block.java:968) ~[atr.class:?]
at net.minecraft.block.Block.<init>(Block.java:248) ~[atr.class:?]
at net.minecraft.block.BlockAir.<init>(BlockAir.java:15) ~[asy.class:?]
at net.minecraft.block.Block.func_149671_p(Block.java:2016) ~[atr.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:554) ~[od.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:315) ~[bsu.class:?]
at net.minecraft.client.main.Main.main(SourceFile:120) ~[Main.class:?]
... 6 more

Last edited by CheezerD: Jun 21, 2015

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