[21:36:34] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[21:36:34] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[21:36:34] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[21:36:34] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[21:36:34] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_181, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre1.8.0_181
[21:36:34] [main/WARN] [FML]: The coremod ic2.core.coremod.IC2core does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[21:36:34] [main/WARN] [FML]: The coremod lain.mods.inputfix.InputFix does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[21:36:34] [main/WARN] [FML]: The coremod vazkii.tinkerer.preloader.ThaumicTLoaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[21:36:34] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[21:36:34] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[21:36:34] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[21:36:34] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_181]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_181]
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:?]
把 .minecraft 文件夹中 crash-reports 文件夹中的最新文件发给我。
尝试一下java7吧