Mr_Hot_Pockets

Nevermind I fixed it Added :java8 to the end Ran docker run --rm -v /home/dinidu/MCModServer:/data -e TYPE=CURSEFORGE -e CF_SERVER_MOD=SevTech_Ages_3.2.1.zip -p 25565:25565 -e EULA=TRUE --name mc itzg/minecraft-server and I was able to join

Command used: docker run --rm -v /home/dinidu/MCModServer:/data -e TYPE=CURSEFORGE -e CF_SERVER_MOD=SevTech_Ages_3.2.1.zip -p 25565:25565 -e EULA=TRUE --name mc itzg/minecraft-server Output: [init] Running as uid=1000 gid=1000 with /data as 'drwxrwxrwx 3 1000 1000 4096 Jul 6 19:54 /data' [init] Resolved version given LATEST into 1.17.1 [init] Resolving type given CURSEFORGE [init] ********************************************************************** [init] WARNING: The image tag itzg/minecraft-server:java8 is recommended [init] since some mods require Java 8 [init] Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader [init] can be fixed with java8 [init] ********************************************************************** [init] Looking for Feed-The-Beast / CurseForge server modpack. ~/FeedTheBeast ~ Installing Forge and required jars. Done! ~ [init] detected FTB, changing properties path to /data/FeedTheBeast/server.properties [init] server.properties already created, skipping [init] Checking for JSON files. [init] Setting initial memory to 1G and max to 1G [init] Running FTB /data/FeedTheBeast/ServerStart.sh in /data/FeedTheBeast ... Starting SevTech Ages Server... A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34) Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap') at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) ... 6 more 2021-07-06T20:34:23.513Z WARN mc-server-runner sub-process failed {"exitCode": 1} 2021-07-06T20:34:23.513Z INFO mc-server-runner Done My Java Version is "1.8.0_292", OpennJDK 64-Bit Server VM