Posted July 10, 201411 yr I'm trying to run the client in eclipse and it keeps giving me this error [08:54:30] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker [08:54:30] [main/ERROR]: Unable to launch java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_45] at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_45] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_45] at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_45] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_45] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.7.0_45] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_45] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:104) ~[launchwrapper-1.9.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_45] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_45] at java.lang.Class.forName0(Native Method) ~[?:1.7.0_45] at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_45] at net.minecraft.launchwrapper.Launch.launch(Launch.java:97) [launchwrapper-1.9.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
July 10, 201411 yr Go into your run configurations and change the main class to "GradleStart" instead of "cpw.fml.blablabla"
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