LucasansS Posted February 24, 2016 Share Posted February 24, 2016 Hello, sorry for my bad english I'm French. I'm using forge and a custom Launcher for my server (https://www.launchmycraft.fr), and my launcher just crash before the game Launch. **THAT NOT A CRACKED LAUNCHER, THAT A CUSTOM LAUNCHER WITH AUTH ! I USE THIS LAUNCHER FOR MY PRIVATE SERVER** I'm using forge 1.8.9-11.15.1.1756, and with the official Launcher that working well... Here is the logs : 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.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) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release Thanks in advance. Cordially. Link to comment Share on other sites More sharing options...
Choonster Posted February 24, 2016 Share Posted February 24, 2016 You're missing a required library (log4j), which is almost certainly an issue with your launcher. Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future. Link to comment Share on other sites More sharing options...
LexManos Posted February 24, 2016 Share Posted February 24, 2016 "Pay us and we'll remove the need for credentials on your launcher!" Really... really not a cracked launcher!?!? I do Forge for free, however the servers to run it arn't free, so anything is appreciated. Consider supporting the team on Patreon Link to comment Share on other sites More sharing options...
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