pues estoy intentando volver a conectarme. y al lanzar el juego me dice esto en la consola
9:25] [main/ERROR] [LaunchWrapper]: Unable to launch
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/inventory/Container
at net.minecraft.item.ItemStack.func_77953_t(ItemStack.java) ~[add.class:?]
at net.minecraft.item.ItemStack.func_151000_E(ItemStack.java:766) ~[add.class:?]
at net.minecraft.stats.StatList.func_151181_c(StatList.java:119) ~[pp.class:?]
at net.minecraft.stats.StatList.func_151178_a(StatList.java:58) ~[pp.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(SourceFile:359) ~[kl.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:287) ~[bao.class:?]
at net.minecraft.client.main.Main.main(SourceFile:129) ~[Main.class:?]
... 6 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.inventory.Container
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.item.ItemStack.func_77953_t(ItemStack.java) ~[add.class:?]
at net.minecraft.item.ItemStack.func_151000_E(ItemStack.java:766) ~[add.class:?]
at net.minecraft.stats.StatList.func_151181_c(StatList.java:119) ~[pp.class:?]
at net.minecraft.stats.StatList.func_151178_a(StatList.java:58) ~[pp.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(SourceFile:359) ~[kl.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:287) ~[bao.class:?]
at net.minecraft.client.main.Main.main(SourceFile:129) ~[Main.class:?]
... 6 more
Caused by: java.lang.ClassFormatError: Duplicate method name&signature in class file net/minecraft/inventory/Container
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.item.ItemStack.func_77953_t(ItemStack.java) ~[add.class:?]
at net.minecraft.item.ItemStack.func_151000_E(ItemStack.java:766) ~[add.class:?]
at net.minecraft.stats.StatList.func_151181_c(StatList.java:119) ~[pp.class:?]
at net.minecraft.stats.StatList.func_151178_a(StatList.java:58) ~[pp.class:?]
at net.minecraft.init.Bootstrap.func_151354_b(SourceFile:359) ~[kl.class:?]
at net.minecraft.client.Minecraft.<init>(Minecraft.java:287) ~[bao.class:?]
at net.minecraft.client.main.Main.main(SourceFile:129) ~[Main.class:?]
... 6 more
alguna idea??