Mon minecraft crash après l'installation de forge

Question

Bonjours,
aujourd'hui j'ai installé forge, mais voilà, après l'installation, j'ouvre mon minecraft, je lance le profile forge et mon minecraft Crash
Crash report:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/logging/log4j/Level
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:94)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Level
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 2 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

Si quelqu'un peut m'aider svp ? j'ai deja essayer de desinstaller Java pour le mettre en 1.8, puis je l'ai refait pour le mettre en 1.7, mais rien n'y fait

TSnake · Answer

Réinstalle forge, java ne trouve pas la fonction de démarage de minecraft. Sinon as-tu vérifier ta version de java, car je ne sais pas si java marche en 1.7.

xPouney · Answer

Erreur de ton forge ou pc, ton pc est pas asser puissant ou le jar de ton forge est erroné

Galisoa · Answer

Bonjours,
je pense que le problème vient pas de mon pc vu que j'ai déjà réussi a trouvé une version de forge compatible pour la version 1.6.4
(après avoir essayer plein d'autre version de forge 1.6.4 par contre car les autres faisait aussi crasher mon minecraft)

CrawsHD · Answer

c'est l ejava qui beug il faut que tu le reinstalle et sinon supprime ton .minecraft ...

Galisoa · Answer

J'ai déjà essayé de supprimer mon .minecraft et j'ai déjà désinstallé Java :S

xmicka18x · Answer

bonsoir

Quelle version de Java utilises tu ? java 6 , 7 ou 8 ?

Galiso · Answer

J'utilise Java 8 64-bit

xmicka18x · Answer

voila le problèmes forge 1.7 ne fonctionne pas bien avec Java 8

J'avais le même problème et j'ai trouver sur Youtube une vidéo pour régler sa , je suis en train de la rechercher , je te fais signe si je l'a rertouve

Galiso · Answer

Dac merci ! :)

xmicka18x · Answer

voila j'ai trouvé , normalement en suivant étape par étape tu dois pouvoir y arrivé 
( si j'ai réussi , tout le monde peux réussir xD )

https://www.youtube.com/watch?v=g8RZMG6mxa0

Galiso · Answer

Mais moi je cherche pour la version 1.8 de minecraft, enfin bon je vais chercher ^^ 
Merci beaucoup sinon :)

Olivier · Answer

Le problème vient des librairies, il manque toutes les librairies java pour que le mod puisse se lancer.
Pour que vous puissiez permettre le chargement des librairies, vous devez modifier le fichier .json de votre profil, pour moi par exemple : .minecraft/versions/1.9-forge1.9-12.16.0.1859-1.9/1.9-forge1.9-12.16.0.1859-1.9.json
Lorsque vous ouvrez ce fichier, vous pouvez voir les librairies qu'il inclue :
{	"id": "1.9-forge1.9-12.16.0.1859-1.9",	"time": "2016-04-08T23:20:08-0400",	"releaseTime": "1960-01-01T00:00:00-0700",	"type": "release",	"minecraftArguments": "--username ${auth_player_name} --version ${version_name} --gameDir ${game_directory} --assetsDir ${assets_root} --assetIndex ${assets_index_name} --uuid ${auth_uuid} --accessToken ${auth_access_token} --userType ${user_type} --tweakClass net.minecraftforge.fml.common.launcher.FMLTweaker --versionType Forge",	"mainClass": "net.minecraft.launchwrapper.Launch",	"minimumLauncherVersion": 14,	"inheritsFrom": "1.9",	"libraries": [		{			"name": "net.minecraftforge:forge:1.9-12.16.0.1859-1.9",			"url": "http://files.minecraftforge.net/maven/"		},		{			"comment": "Force the downgrade on dedicated server to match client. Netty bug: https://github.com/MinecraftForge/MinecraftForge/issues/1848",			"name": "io.netty:netty-all:4.0.23.Final",			"serverreq": true		},		{			"name": "net.minecraft:launchwrapper:1.12",			"serverreq": true		},		{			"name": "org.ow2.asm:asm-all:5.0.3",			"serverreq": true		},		{			"name": "jline:jline:2.13",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"2d9530d0a25daffaffda7c35037b046b627bb171"			],			"serverreq": true,			"clientreq": false		},		{			"name": "com.typesafe.akka:akka-actor_2.11:2.3.3",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"ed62e9fc709ca0f2ff1a3220daa8b70a2870078e",				"25a86ccfdb6f6dfe08971f4825d0a01be83a6f2e"			],			"serverreq": true,			"clientreq": true		},		{			"name": "com.typesafe:config:1.2.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"f771f71fdae3df231bcd54d5ca2d57f0bf93f467",				"7d7bc36df0989d72f2d5d057309675777acc528b"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-actors-migration_2.11:1.1.0",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"dfa8bc42b181d5b9f1a5dd147f8ae308b893eb6f",				"8c9aaeeb68487ca519411a14068e1b4d69739207"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-compiler:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"56ea2e6c025e0821f28d73ca271218b8dd04926a",				"1444992390544ba3780867a13ff696a89d7d1639"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"87213338cd5a153a7712cb574c0ddd2edfee0386",				"0b4c1bf8d48993f138d6e10c0c144e50acfff581"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"1f7371605d4ba42aa26d3443440c0083c587b4e9",				"1ea655dda4504ae0a367327e2340cd3beaee6c73"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-library:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"0e11da23da3eabab9f4777b9220e60d44c1aab6a",				"1e4df76e835201c6eabd43adca89ab11f225f134"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-parser-combinators_2.11:1.0.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"f05d7345bf5a58924f2837c6c1f4d73a938e1ff0",				"a1cbbcbde1dcc614f4253ed1aa0b320bc78d8f1d"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-reflect:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"6580347e61cc7f8e802941e7fde40fa83b8badeb",				"91ce0f0be20f4a536321724b4b3bbc6530ddcd88"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-swing_2.11:1.0.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"b1cdd92bd47b1e1837139c1c53020e86bb9112ae",				"d77152691dcf5bbdb00529af37aa7d3d887b3e63"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-xml_2.11:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"7a80ec00aec122fba7cd4e0d4cdd87ff7e4cb6d0",				"62736b01689d56b6d09a0164b7ef9da2b0b9633d"			],			"serverreq": true,			"clientreq": true		},		{			"name": "lzma:lzma:0.0.1",			"serverreq": true		},		{			"name": "net.sf.jopt-simple:jopt-simple:4.6",			"serverreq": true		},		{			"name": "java3d:vecmath:1.5.2",			"clientreq": true,			"serverreq": true		},		{			"name": "net.sf.trove4j:trove4j:3.0.3",			"clientreq": true,			"serverreq": true		}	]}

Il faut donc prendre une version de profil sans mod de la même version, par exemple pour la version 1.9, j'ai : .minecraft/versions/1.9/1.9.json :
{  "id": "1.9",  "time": "2016-04-07T14:41:08+02:00",  "releaseTime": "2016-02-29T14:49:54+01:00",  "type": "release",  "minecraftArguments": "--username ${auth_player_name} --version ${version_name} --gameDir ${game_directory} --assetsDir ${assets_root} --assetIndex ${assets_index_name} --uuid ${auth_uuid} --accessToken ${auth_access_token} --userType ${user_type} --versionType ${version_type}",  "libraries": [    {      "name": "oshi-project:oshi-core:1.1"    },    {      "name": "net.java.dev.jna:jna:3.4.0"    },    {      "name": "net.java.dev.jna:platform:3.4.0"    },    {      "name": "com.ibm.icu:icu4j-core-mojang:51.2"    },    {      "name": "net.sf.jopt-simple:jopt-simple:4.6"    },    {      "name": "com.paulscode:codecjorbis:20101023"    },    {      "name": "com.paulscode:codecwav:20101023"    },    {      "name": "com.paulscode:libraryjavasound:20101123"    },    {      "name": "com.paulscode:librarylwjglopenal:20100824"    },    {      "name": "com.paulscode:soundsystem:20120107"    },    {      "name": "io.netty:netty-all:4.0.23.Final"    },    {      "name": "com.google.guava:guava:17.0"    },    {      "name": "org.apache.commons:commons-lang3:3.3.2"    },    {      "name": "commons-io:commons-io:2.4"    },    {      "name": "commons-codec:commons-codec:1.9"    },    {      "name": "net.java.jinput:jinput:2.0.5"    },    {      "name": "net.java.jutils:jutils:1.0.0"    },    {      "name": "com.google.code.gson:gson:2.2.4"    },    {      "name": "com.mojang:authlib:1.5.22"    },    {      "name": "com.mojang:realms:1.8.7"    },    {      "name": "org.apache.commons:commons-compress:1.8.1"    },    {      "name": "org.apache.httpcomponents:httpclient:4.3.3"    },    {      "name": "commons-logging:commons-logging:1.1.3"    },    {      "name": "org.apache.httpcomponents:httpcore:4.3.2"    },    {      "name": "org.apache.logging.log4j:log4j-api:2.0-beta9"    },    {      "name": "org.apache.logging.log4j:log4j-core:2.0-beta9"    },    {      "name": "org.lwjgl.lwjgl:lwjgl:2.9.4-nightly-20150209",      "rules": [        {          "action": "allow"        },        {          "action": "disallow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl_util:2.9.4-nightly-20150209",      "rules": [        {          "action": "allow"        },        {          "action": "disallow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl-platform:2.9.4-nightly-20150209",      "rules": [        {          "action": "allow"        },        {          "action": "disallow",          "os": {            "name": "osx"          }        }      ],      "natives": {        "linux": "natives-linux",        "osx": "natives-osx",        "windows": "natives-windows"      },      "extract": {        "exclude": [          "META-INF/"        ]      }    },    {      "name": "org.lwjgl.lwjgl:lwjgl:2.9.2-nightly-20140822",      "rules": [        {          "action": "allow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl_util:2.9.2-nightly-20140822",      "rules": [        {          "action": "allow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl-platform:2.9.2-nightly-20140822",      "rules": [        {          "action": "allow",          "os": {            "name": "osx"          }        }      ],      "natives": {        "linux": "natives-linux",        "osx": "natives-osx",        "windows": "natives-windows"      },      "extract": {        "exclude": [          "META-INF/"        ]      }    },    {      "name": "net.java.jinput:jinput-platform:2.0.5",      "natives": {        "linux": "natives-linux",        "osx": "natives-osx",        "windows": "natives-windows"      },      "extract": {        "exclude": [          "META-INF/"        ]      }    }  ],  "mainClass": "net.minecraft.client.main.Main",  "minimumLauncherVersion": 18,  "assets": "1.9"}


Il vous suffit de rajouter toutes les librairies du profil originale dans celui du profil du mod : 

{	"id": "1.9-forge1.9-12.16.0.1859-1.9",	"time": "2016-04-08T23:20:08-0400",	"releaseTime": "1960-01-01T00:00:00-0700",	"type": "release",	"minecraftArguments": "--username ${auth_player_name} --version ${version_name} --gameDir ${game_directory} --assetsDir ${assets_root} --assetIndex ${assets_index_name} --uuid ${auth_uuid} --accessToken ${auth_access_token} --userType ${user_type} --tweakClass net.minecraftforge.fml.common.launcher.FMLTweaker --versionType Forge",	"mainClass": "net.minecraft.launchwrapper.Launch",	"minimumLauncherVersion": 14,	"inheritsFrom": "1.9",	"libraries": [		{			"name": "net.minecraftforge:forge:1.9-12.16.0.1859-1.9",			"url": "http://files.minecraftforge.net/maven/"		},		{			"comment": "Force the downgrade on dedicated server to match client. Netty bug: https://github.com/MinecraftForge/MinecraftForge/issues/1848",			"name": "io.netty:netty-all:4.0.23.Final",			"serverreq": true		},		{			"name": "net.minecraft:launchwrapper:1.12",			"serverreq": true		},		{			"name": "org.ow2.asm:asm-all:5.0.3",			"serverreq": true		},		{			"name": "jline:jline:2.13",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"2d9530d0a25daffaffda7c35037b046b627bb171"			],			"serverreq": true,			"clientreq": false		},		{			"name": "com.typesafe.akka:akka-actor_2.11:2.3.3",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"ed62e9fc709ca0f2ff1a3220daa8b70a2870078e",				"25a86ccfdb6f6dfe08971f4825d0a01be83a6f2e"			],			"serverreq": true,			"clientreq": true		},		{			"name": "com.typesafe:config:1.2.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"f771f71fdae3df231bcd54d5ca2d57f0bf93f467",				"7d7bc36df0989d72f2d5d057309675777acc528b"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-actors-migration_2.11:1.1.0",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"dfa8bc42b181d5b9f1a5dd147f8ae308b893eb6f",				"8c9aaeeb68487ca519411a14068e1b4d69739207"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-compiler:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"56ea2e6c025e0821f28d73ca271218b8dd04926a",				"1444992390544ba3780867a13ff696a89d7d1639"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"87213338cd5a153a7712cb574c0ddd2edfee0386",				"0b4c1bf8d48993f138d6e10c0c144e50acfff581"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"1f7371605d4ba42aa26d3443440c0083c587b4e9",				"1ea655dda4504ae0a367327e2340cd3beaee6c73"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-library:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"0e11da23da3eabab9f4777b9220e60d44c1aab6a",				"1e4df76e835201c6eabd43adca89ab11f225f134"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-parser-combinators_2.11:1.0.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"f05d7345bf5a58924f2837c6c1f4d73a938e1ff0",				"a1cbbcbde1dcc614f4253ed1aa0b320bc78d8f1d"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-reflect:2.11.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"6580347e61cc7f8e802941e7fde40fa83b8badeb",				"91ce0f0be20f4a536321724b4b3bbc6530ddcd88"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-swing_2.11:1.0.1",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"b1cdd92bd47b1e1837139c1c53020e86bb9112ae",				"d77152691dcf5bbdb00529af37aa7d3d887b3e63"			],			"serverreq": true,			"clientreq": true		},		{			"name": "org.scala-lang:scala-xml_2.11:1.0.2",			"url": "http://files.minecraftforge.net/maven/",			"checksums": [				"7a80ec00aec122fba7cd4e0d4cdd87ff7e4cb6d0",				"62736b01689d56b6d09a0164b7ef9da2b0b9633d"			],			"serverreq": true,			"clientreq": true		},		{			"name": "lzma:lzma:0.0.1",			"serverreq": true		},		{			"name": "net.sf.jopt-simple:jopt-simple:4.6",			"serverreq": true		},		{			"name": "java3d:vecmath:1.5.2",			"clientreq": true,			"serverreq": true		},		{			"name": "net.sf.trove4j:trove4j:3.0.3",			"clientreq": true,			"serverreq": true		}    {      "name": "oshi-project:oshi-core:1.1"    },    {      "name": "net.java.dev.jna:jna:3.4.0"    },    {      "name": "net.java.dev.jna:platform:3.4.0"    },    {      "name": "com.ibm.icu:icu4j-core-mojang:51.2"    },    {      "name": "net.sf.jopt-simple:jopt-simple:4.6"    },    {      "name": "com.paulscode:codecjorbis:20101023"    },    {      "name": "com.paulscode:codecwav:20101023"    },    {      "name": "com.paulscode:libraryjavasound:20101123"    },    {      "name": "com.paulscode:librarylwjglopenal:20100824"    },    {      "name": "com.paulscode:soundsystem:20120107"    },    {      "name": "io.netty:netty-all:4.0.23.Final"    },    {      "name": "com.google.guava:guava:17.0"    },    {      "name": "org.apache.commons:commons-lang3:3.3.2"    },    {      "name": "commons-io:commons-io:2.4"    },    {      "name": "commons-codec:commons-codec:1.9"    },    {      "name": "net.java.jinput:jinput:2.0.5"    },    {      "name": "net.java.jutils:jutils:1.0.0"    },    {      "name": "com.google.code.gson:gson:2.2.4"    },    {      "name": "com.mojang:authlib:1.5.22"    },    {      "name": "com.mojang:realms:1.8.7"    },    {      "name": "org.apache.commons:commons-compress:1.8.1"    },    {      "name": "org.apache.httpcomponents:httpclient:4.3.3"    },    {      "name": "commons-logging:commons-logging:1.1.3"    },    {      "name": "org.apache.httpcomponents:httpcore:4.3.2"    },    {      "name": "org.apache.logging.log4j:log4j-api:2.0-beta9"    },    {      "name": "org.apache.logging.log4j:log4j-core:2.0-beta9"    },    {      "name": "org.lwjgl.lwjgl:lwjgl:2.9.4-nightly-20150209",      "rules": [        {          "action": "allow"        },        {          "action": "disallow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl_util:2.9.4-nightly-20150209",      "rules": [        {          "action": "allow"        },        {          "action": "disallow",          "os": {            "name": "osx"          }        }      ]    },    {      "name": "org.lwjgl.lwjgl:lwjgl-platform:2.9.4-nightly-20150209",      "rules": [        {          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Bien cordialement

Mon minecraft crash après l'installation de forge

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