[PROBLEME]Forge 1.8

voila :
Si vous avez Java 8, vous aurez un bug au lancement de forge ressemblant à celui-ci :
Code (cpp):

[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [FML]: Forge Mod Loader version 7.2.109.1019 for Minecraft 1.7.2 loading
[16:37:06] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
[16:37:06] [main/INFO] [FML]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.7.2_HD_U_C2.jar
[16:37:06] [main/INFO] [FML]: Loading tweaker shadersmodcore.loading.SMCTweaker from ShadersModCore-v2.3.4-mc1.7.2-f1019.jar
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name optifine.OptiFineForgeTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name shadersmodcore.loading.SMCTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:37:06] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[?:1.8.0_25]
at java.util.ArrayList$Itr.remove(ArrayList.java:865) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Il vous suffit d'installer ce mod : http://files.minecraftforge.net/LegacyJavaFixer/legacyjavafixer-1.0.jar
tout simplement.

Ce lien je l'ai pris mais ça ne le lance pas (mon ordi fait un rond bleu a cote de ma souris (chargement) mais rien après) HELP svp

 

ok mais ça na rien changé : sa me dit :
Error occurred during initialization of VM
Could not reserve enough space for 1048576KB object heap
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release