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Concurrent Modification Exception


GhostShadow

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I click the play button, the launcher closes and nothing happens.

I have

java 7 update 67(32bit)

java 8 update 5(64bit)

java 8 update 20(64bit)

installed simultaneously, is that causing this problem? If so which one should I uninstall. Chrome doesnt support java 8.

[20:17:24] [main/INFO] [FML/]: Forge Mod Loader version 7.10.18.1180 for Minecraft 1.7.10 loading
[20:17:24] [main/INFO] [FML/]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_20, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre1.8.0_20
[20:17:24] [main/DEBUG] [FML/]: Java classpath at launch is C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\minecraftforge\forge\1.7.10-10.13.0.1180\forge-1.7.10-10.13.0.1180.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\minecraft\launchwrapper\1.9\launchwrapper-1.9.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\ow2\asm\asm-all\4.1\asm-all-4.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\typesafe\akka\akka-actor_2.11\2.3.3\akka-actor_2.11-2.3.3.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\typesafe\config\1.2.1\config-1.2.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-actors-migration_2.11\1.1.0\scala-actors-migration_2.11-1.1.0.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-compiler\2.11.1\scala-compiler-2.11.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-library_2.11\1.0.2\scala-continuations-library_2.11-1.0.2.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\plugins\scala-continuations-plugin_2.11.1\1.0.2\scala-continuations-plugin_2.11.1-1.0.2.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-library\2.11.1\scala-library-2.11.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-parser-combinators_2.11\1.0.1\scala-parser-combinators_2.11-1.0.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-reflect\2.11.1\scala-reflect-2.11.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-swing_2.11\1.0.1\scala-swing_2.11-1.0.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\scala-lang\scala-xml_2.11\1.0.2\scala-xml_2.11-1.0.2.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\lzma\lzma\0.0.1\lzma-0.0.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\mojang\realms\1.3.1\realms-1.3.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-compress\1.8.1\commons-compress-1.8.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpclient\4.3.3\httpclient-4.3.3.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\httpcomponents\httpcore\4.3.2\httpcore-4.3.2.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\16.0\guava-16.0.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.2.1\commons-lang3-3.2.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\commons-codec\commons-codec\1.9\commons-codec-1.9.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.16\authlib-1.5.16.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar;C:\Users\ashis nanda\AppData\Roaming\.minecraft\versions\1.7.10-Forge10.13.0.1180\1.7.10-Forge10.13.0.1180.jar
[20:17:24] [main/DEBUG] [FML/]: Java library path at launch is C:\Users\ashis nanda\AppData\Roaming\.minecraft\versions\1.7.10-Forge10.13.0.1180\1.7.10-Forge10.13.0.1180-natives-11370373930701
[20:17:24] [main/DEBUG] [FML/]: Enabling runtime deobfuscation
[20:17:24] [main/DEBUG] [FML/]: Instantiating coremod class FMLCorePlugin
[20:17:24] [main/DEBUG] [FML/]: Added access transformer class cpw.mods.fml.common.asm.transformers.AccessTransformer to enqueued access transformers
[20:17:24] [main/DEBUG] [FML/]: Enqueued coremod FMLCorePlugin
[20:17:24] [main/DEBUG] [FML/]: Instantiating coremod class FMLForgePlugin
[20:17:24] [main/DEBUG] [FML/]: Added access transformer class net.minecraftforge.transformers.ForgeAccessTransformer to enqueued access transformers
[20:17:24] [main/DEBUG] [FML/]: Enqueued coremod FMLForgePlugin
[20:17:24] [main/DEBUG] [FML/]: All fundamental core mods are successfully located
[20:17:24] [main/DEBUG] [FML/]: Discovering coremods
[20:17:24] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:17:24] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[20:17:24] [main/INFO] [LaunchWrapper/]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:17:24] [main/ERROR] [LaunchWrapper/]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_20]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_20]
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:?]

Nothing here but ghosts and shadows

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