Bon j'ai un autre problème avec mon launcher de modpack exactement le même problème voici les logs
[B#165] Running javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1024m -XX:MaxPermSize=128m -Djava.library.path=C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\natives -Dfml.core.libraries.mirror=
http://mirror.technicpack.net/Technic/lib/fml/%s -Dminecraft.applet.TargetDirectory=C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz -cp C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\minecraft\launchwrapper\1.8\launchwrapper-1.8.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\argo\argo\2.25_fixed\argo-2.25_fixed.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\bouncycastle\bcprov-jdk15on\1.47\bcprov-jdk15on-1.47.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\google\guava\guava\14.0\guava-14.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\google\code\gson\gson\2.2.2\gson-2.2.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\modpack.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\minecraft.jar net.minecraft.launchwrapper.Launch --username Yoshuli --session token:c732aebe24124fd490fd1bfb40e27f9e:12c3d218c6c644158a5d3890066cb427 --version 1.6.4-Forge9.11.1.965 --gameDir C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz --assetsDir C:\Users\Yoshuli\AppData\Roaming\.technic\assets\virtual\legacy --tweakClass cpw.mods.fml.common.launcher.FMLTweaker --title Voltz --icon C:\Users\Yoshuli\AppData\Roaming\.technic\assets\packs\voltz\icon.png
[B#165] Analytics Response [runModpack]: 200
[B#165] javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1024m -XX:MaxPermSize=128m -Djava.library.path=C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\natives -Dfml.core.libraries.mirror=
http://mirror.technicpack.net/Technic/lib/fml/%s -Dminecraft.applet.TargetDirectory=C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz -cp C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\minecraft\launchwrapper\1.8\launchwrapper-1.8.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\argo\argo\2.25_fixed\argo-2.25_fixed.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\bouncycastle\bcprov-jdk15on\1.47\bcprov-jdk15on-1.47.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\google\guava\guava\14.0\guava-14.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\com\google\code\gson\gson\2.2.2\gson-2.2.2.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\cache\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\modpack.jar;C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz\bin\minecraft.jar net.minecraft.launchwrapper.Launch --username Yoshuli --session token:c732aebe24124fd490fd1bfb40e27f9e:12c3d218c6c644158a5d3890066cb427 --version 1.6.4-Forge9.11.1.965 --gameDir C:\Users\Yoshuli\AppData\Roaming\.technic\modpacks\voltz --assetsDir C:\Users\Yoshuli\AppData\Roaming\.technic\assets\virtual\legacy --tweakClass cpw.mods.fml.common.launcher.FMLTweaker --title Voltz --icon C:\Users\Yoshuli\AppData\Roaming\.technic\assets\packs\voltz\icon.png
[B#165] déc. 21, 2014 12:27:38 PM net.minecraft.launchwrapper.LogWrapper log
[B#165] INFOS: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[B#165] déc. 21, 2014 12:27:38 PM net.minecraft.launchwrapper.LogWrapper log
[B#165] INFOS: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[B#165] déc. 21, 2014 12:27:38 PM net.minecraft.launchwrapper.LogWrapper log
[B#165] INFOS: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[B#165] 2014-12-21 12:27:38 [INFOS] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
[B#165] 2014-12-21 12:27:38 [INFOS] [ForgeModLoader] Java is Java HotSpot(TM) Client VM, version 1.8.0_25, running on Windows 7:x86:6.1, installed at D:\Program Files (x86)\Java\jre1.8.0_25
[B#165] 2014-12-21 12:27:38 [AVERTISSEMENT] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:38 [AVERTISSEMENT] [ForgeModLoader] The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:38 [INFOS] [ForgeModLoader] [AppEng] Core Init
[B#165] 2014-12-21 12:27:39 [AVERTISSEMENT] [ForgeModLoader] The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:39 [INFOS] [STDERR] Warning: version of ForgeMultipart-universal-1.6.4-, 1.0.0.244 is newer than request 1.0.0.227
[B#165] 2014-12-21 12:27:39 [INFOS] [STDOUT] Downloading file
http://files.minecraftforge.net/CodeChickenLib//CodeChickenLib-universal-1.6.4-1.0.0.55.jar
[B#165] 2014-12-21 12:27:42 [INFOS] [STDOUT] Download complete
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod mcp.mobius.evoc.asm.CoreDescription does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod micdoodle8.mods.miccore.MicdoodlePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod mcp.mobius.mobiuscore.asm.CoreDescription does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod openblocks.OpenBlocksCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod li.cil.oc.common.launch.TransformerLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod openeye.CorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod openmods.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod resonant.core.ResonantPluginLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod universalelectricity.core.UELoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [AVERTISSEMENT] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#165] 2014-12-21 12:27:42 [INFOS] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#165] 2014-12-21 12:27:42 [INFOS] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[B#165] 2014-12-21 12:27:42 [INFOS] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#165] 2014-12-21 12:27:42 [GRAVE] [ForgeModLoader] Unable to launch
[B#165] java.util.ConcurrentModificationException
[B#165] at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
[B#165] at java.util.ArrayList$Itr.remove(Unknown Source)
[B#165] at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
[B#165] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
[B#165] Java HotSpot(TM) Client VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0