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Posted

Here is my issue:  When trying to run 1.6.4, forge runs smoothly.  No mods, just a test version.  When I try to update to 1.7.2, it will run through the launcher and then nothing happens.  I've tried clean installs, tried going online for fixes, found nothing.  This is my last resort.

 

 

 

 

[19:35:24] [main/INFO] [FML/]: Forge Mod Loader version 7.2.190.1075 for Minecraft 1.7.2 loading

[19:35:24] [main/INFO] [FML/]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_20-ea, running on Windows 8:amd64:6.2, installed at C:\Program Files\Java\jre8

[19:35:24] [main/DEBUG] [FML/]: Java classpath at launch is C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.7.2-10.12.1.1075\forge-1.7.2-10.12.1.1075.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.9\launchwrapper-1.9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.3\authlib-1.3.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.1.1075\1.7.2-Forge10.12.1.1075.jar

[19:35:24] [main/DEBUG] [FML/]: Java library path at launch is C:\Users\DaBiggman\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.1.1075\1.7.2-Forge10.12.1.1075-natives-186925702020

[19:35:24] [main/DEBUG] [FML/]: Enabling runtime deobfuscation

[19:35:24] [main/DEBUG] [FML/]: Instantiating coremod class FMLCorePlugin

[19:35:24] [main/DEBUG] [FML/]: Added access transformer class cpw.mods.fml.common.asm.transformers.AccessTransformer to enqueued access transformers

[19:35:24] [main/DEBUG] [FML/]: Enqueued coremod FMLCorePlugin

[19:35:24] [main/DEBUG] [FML/]: Instantiating coremod class FMLForgePlugin

[19:35:24] [main/DEBUG] [FML/]: Added access transformer class net.minecraftforge.transformers.ForgeAccessTransformer to enqueued access transformers

[19:35:24] [main/DEBUG] [FML/]: Enqueued coremod FMLForgePlugin

[19:35:24] [main/DEBUG] [FML/]: All fundamental core mods are successfully located

[19:35:24] [main/DEBUG] [FML/]: Discovering coremods

[19:35:24] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[19:35:24] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

[19:35:24] [main/INFO] [LaunchWrapper/]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[19:35:24] [main/ERROR] [LaunchWrapper/]: Unable to launch

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_20-ea]

at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_20-ea]

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:?]

 

 

Posted

Kill your mods folder, something in there is killing the startup.

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Consider supporting the team on Patreon

Posted

I killed everything, this was all off a fresh install.

Regardless, deleted mods folder and this time when I tried to run it, the launcher just stopped working.  Is it an issue with Java 8?

 

 

[22:49:26] [main/INFO] [FML/]: Forge Mod Loader version 7.2.190.1075 for Minecraft 1.7.2 loading

[22:49:26] [main/INFO] [FML/]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_20-ea, running on Windows 8:amd64:6.2, installed at C:\Program Files\Java\jre8

[22:49:26] [main/DEBUG] [FML/]: Java classpath at launch is C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.7.2-10.12.1.1075\forge-1.7.2-10.12.1.1075.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.9\launchwrapper-1.9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.10.2\scala-library-2.10.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.10.2\scala-compiler-2.10.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.3\authlib-1.3.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl_util-2.9.0.jar;C:\Users\DaBiggman\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.1.1075\1.7.2-Forge10.12.1.1075.jar

[22:49:26] [main/DEBUG] [FML/]: Java library path at launch is C:\Users\DaBiggman\AppData\Roaming\.minecraft\versions\1.7.2-Forge10.12.1.1075\1.7.2-Forge10.12.1.1075-natives-11829144292262

[22:49:26] [main/DEBUG] [FML/]: Enabling runtime deobfuscation

[22:49:26] [main/DEBUG] [FML/]: Instantiating coremod class FMLCorePlugin

[22:49:26] [main/DEBUG] [FML/]: Added access transformer class cpw.mods.fml.common.asm.transformers.AccessTransformer to enqueued access transformers

[22:49:26] [main/DEBUG] [FML/]: Enqueued coremod FMLCorePlugin

[22:49:26] [main/DEBUG] [FML/]: Instantiating coremod class FMLForgePlugin

[22:49:26] [main/DEBUG] [FML/]: Added access transformer class net.minecraftforge.transformers.ForgeAccessTransformer to enqueued access transformers

[22:49:26] [main/DEBUG] [FML/]: Enqueued coremod FMLForgePlugin

[22:49:26] [main/DEBUG] [FML/]: All fundamental core mods are successfully located

[22:49:26] [main/DEBUG] [FML/]: Discovering coremods

[22:49:26] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[22:49:26] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

[22:49:26] [main/INFO] [LaunchWrapper/]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

[22:49:26] [main/ERROR] [LaunchWrapper/]: Unable to launch

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_20-ea]

at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_20-ea]

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:?]

 

Posted

[19:35:24] [main/INFO] [FML/]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_20-ea, running on Windows 8:amd64:6.2, installed at C:\Program Files\Java\jre8

 

I see you have Java 8 installed. Try Java 7 and see if it works. As I've heard, there are still some problems with Java 8.

Don't ask for support per PM! They'll get ignored! | If a post helped you, click the "Thank You" button at the top right corner of said post! |

mah twitter

This thread makes me sad because people just post copy-paste-ready code when it's obvious that the OP has little to no programming experience. This is not how learning works.

Posted

Confirmed, it is Java 8 that is causing the issue.

 

Rolledback Java to 7.55 and it worked like a charm

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