Posted February 7, 201510 yr [12:24:47] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker [12:24:47] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker [12:24:47] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker [12:24:47] [main/ERROR] [LaunchWrapper]: Unable to launch java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_11] at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_11] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_11] at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_11] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_11] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.8.0_11] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_11] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.11.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_11] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_11] at java.lang.Class.forName0(Native Method) ~[?:1.8.0_11] at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_11] at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.11.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?] at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78) [start/:?] at GradleStart.main(GradleStart.java:45) [start/:?] I don't even know where to start. Anyone knows common reasons? Why? I just updated to latest 1.8, fixed my code and this thing happens. (yes, I know how to setup forge) 1.7.10 is no longer supported by forge, you are on your own.
February 7, 201510 yr Is it really the full report? It seems that fml is corrupted.. I. Stellarium for Minecraft: Configurable Universe for Minecraft! (WIP) II. Stellar Sky, Better Star Rendering&Sky Utility mod, had separated from Stellarium.
February 7, 201510 yr Author Reinstalled whole thing... #meh 1.7.10 is no longer supported by forge, you are on your own.
February 7, 201510 yr [12:24:47] [main/ERROR] [LaunchWrapper]: Unable to launch java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker In 1.8, the tweakClass as well as everything else to do with cpw.mods was changed to net.minecraftforge, that was your problem is upon launch you never changed the tweak class
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