Problème Forge

[SkyLawz]

Bonjour,
J'ai aujourd'hui décidé d'installer "Forge 1.7.2" je suis un tutoriel, tous ce passe bien, je sélectionne Forge, je clique sur Play et la rien, j'ai laisser le launcher activer et voilà ce que me dit l’onglet "Game Output" :

[18:47:40] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:47:40] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:47:40] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[18:47:40] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[18:47:40] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.8.0_25, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre1.8.0_25
[18:47:40] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:47:40] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[18:47:40] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:47:40] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_25]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?: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) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

Si quelqu'un pourrait m'aider ce serait gentil, et en vous remerciant d'avance pour vos réponses

 

[Guiyaume]

Forge ne supporte pas Java 1.8, installe la 1.7.

Édit. - Sinon tu as ce mod : https://github.com/LexManos/LegacyJavaFixer, qui apparemment règle le problème de compatibilité, mais je n'ai pas testé.

 

[robin4002]

http://files.minecraftforge.net/LegacyJavaFixer/legacyjavafixer-1.0.jar
à mettre dans le dossier mods.
(toujours donner le jar final, les utilisateurs normaux ne savent pas quoi faire avec les sources)

 

[Guiyaume]

Effectivement je n'y avais pas songé. J'y veillerai.
Merci du conseil.

 

[SkyLawz]

LegacyJavaFixer, je le met comme sa dans le dossier mods de .minecraft ?
Si oui, rien n'a changer, toujours une erreur..

 

[robin4002]

Normalement oui, vérifie que l'erreur est indique, si non, envoie la nouvelle erreur.

 

[SkyLawz]

Normalement oui, vérifie que l'erreur est indique, si non, envoie la nouvelle erreur.

J'ai mit LegacyJavaFixer dans le dossier mods comme tu me l'as dit, mais j'ai toujours une erreur
Voilà ce qu'elle me dit :

[11:28:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[11:28:08] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[11:28:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[11:28:08] [main/INFO] [FML]: Forge Mod Loader version 7.10.85.1230 for Minecraft 1.7.10 loading
[11:28:08] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.8.0_25, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre1.8.0_25
[11:28:08] [main/INFO] [FML]: Loading tweaker net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer from legacyjavafixer-1.0.jar
[11:28:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[11:28:08] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Tweaker: cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker@2d773b
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Replacing tweaker cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker@2d773b with net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer$SortReplacement@173f6d9
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Tweaker: FMLCorePlugin {[]}
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Tweaker: FMLForgePlugin {[]}
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Tweaker: cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker@2d773b
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Replacing tweaker cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker@2d773b with net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer$SortReplacement@173f6d9
[11:28:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[11:28:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer$SortReplacement
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Replacing sort
[11:28:08] [main/INFO] [FML]: [LegacyJavaFixer] Detected TerminalTweaker
[11:28:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer$SortReplacement
[11:28:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.lex.legacyjavafixer.LegacyJavaFixer
[11:28:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[11:28:09] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[11:28:09] [main/ERROR] [FML]: The minecraft jar file:/C:/Users/Simon/AppData/Roaming/.minecraft/versions/1.7.10-Forge10.13.2.1230/1.7.10-Forge10.13.2.1230.jar!/net/minecraft/client/ClientBrandRetriever.class appears to be corrupt! There has been CRITICAL TAMPERING WITH MINECRAFT, it is highly unlikely minecraft will work! STOP NOW, get a clean copy and try again!
[11:28:09] [main/ERROR] [FML]: For your safety, FML will not launch minecraft. You will need to fetch a clean version of the minecraft jar file
[11:28:09] [main/ERROR] [FML]: Technical information: The class net.minecraft.client.ClientBrandRetriever should have been associated with the minecraft jar file, and should have returned us a valid, intact minecraft jar location. This did not work. Either you have modified the minecraft jar file (if so run the forge installer again), or you are using a base editing jar that is changing this class (and likely others too). If you REALLY want to run minecraft in this configuration, add the flag -Dfml.ignoreInvalidMinecraftCertificates=true to the 'JVM settings' in your launcher profile.
Exception in thread "main" [11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: java.lang.ExceptionInInitializerError
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.asm.FMLSanityChecker.call(FMLSanityChecker.java:159)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.asm.FMLSanityChecker.call(FMLSanityChecker.java:39)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:126)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: Caused by: java.lang.NullPointerException
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.Loader.<init>(Loader.java:182)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.Loader.instance(Loader.java:160)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.FMLCommonHandler.<init>(FMLCommonHandler.java:87)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: at cpw.mods.fml.common.FMLCommonHandler.<clinit>(FMLCommonHandler.java:77)
[11:28:09] [main/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStreamrintln:-1]: ... 5 more

Edit : J'ai desinstallé Java 8 puis installé Java 7 mais cela me met exactement le meme message d'erreur

 

[robin4002]

Car ce problème ne vient pas de java, le fichier C:/Users/Simon/AppData/Roaming/.minecraft/versions/1.7.10-Forge10.13.2.1230/1.7.10-Forge10.13.2.1230.jar est corrompu, supprime-le et réinstalle forge.

 

[SkyLawz]

J'ai désinstallé et réinstallé Forge, ça y es sa marche, merci beaucoup pour ton aide !