ça marche ! Merci ! Mais dans les logs j'ai trouvé:
[17:56:11 ERROR]: Exception whilst logging into profile
com.mojang.authlib.exceptions.InvalidCredentialsException: Invalid token.
at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:63) ~[launcher.jar:1.6.13]
at com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication.logInWithToken(YggdrasilUserAuthentication.java:132) ~[launcher.jar:1.6.13]
at com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication.logIn(YggdrasilUserAuthentication.java:55) ~[launcher.jar:1.6.13]
at net.minecraft.launcher.Launcher.ensureLoggedIn(Launcher.java:214) [launcher.jar:1.6.13]
at net.minecraft.launcher.Launcher$2.run(Launcher.java:168) [launcher.jar:1.6.13]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_76]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_76]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.7.0_76]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.7.0_76]
at java.lang.Thread.run(Unknown Source) [?:1.7.0_76]
Qu-est ce que cela signifie ?