Title says most of it. I'm unable to any version of 1.7.2. When I hit play, the launcher will close as usual, but the game will never load. I do not know if mods could have messed up the launcher, as my other forge versions still launch properly. The only mod I am using for 1.7.2 is All-U-Want mod. Launching regular 1.7.2 will not work either.
I have been able to launch this version in the past, this problem arose about 2 days ago.
Here is the error
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[16:50:03] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.8.0_60, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre1.8.0_60
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:50:03] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_60]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_60]
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) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Title says most of it. I'm unable to any version of 1.7.2. When I hit play, the launcher will close as usual, but the game will never load. I do not know if mods could have messed up the launcher, as my other forge versions still launch properly. The only mod I am using for 1.7.2 is All-U-Want mod. Launching regular 1.7.2 will not work either.
I have been able to launch this version in the past, this problem arose about 2 days ago.
Here is the error
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:50:03] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[16:50:03] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.8.0_60, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre1.8.0_60
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:50:03] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:50:03] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_60]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_60]
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) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
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Curse PremiumOlder versions of Forge (1.7.2 included) are not compatible with Java 8. Try using the Java legacy fixer or Java 7.
Realistic Torches - Causes torches to burn out after a configurable amount of time.
Nature's Compass - A utility item that allows you to search for any biome's location in the world.
Notes - Provides a clientside in-game notepad.
Souls - After you die, a hostile Soul that stores your inventory will spawn.
Auto Refresh - Automatically refreshes your server list and alerts you when your selected server comes online.
Pick Block Plus - A clientside mod that significantly improves the vanilla pick block function.
And a few others that we don't talk about.