Solved Failing to start

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Connor Gavitt

New Member
Jul 29, 2019
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Moved everything from one VPS to another (everything like 16GB) in the right directory I do
"screen -S MCMA mono McMyAdmin.exe"
screen and mono are installed and working

when it tried to start it tried 5 times and fails giving me this error

Notice : Starting Minecraft Server...
Exception in thread "main" java.lang.NoClassDefFoundError: cpw.mods.fml.relauncher.RelaunchClassLoader
at java.lang.Class.initializeClass(libgcj.so.10)
at cpw.mods.fml.relauncher.FMLRelauncher.<init>(FMLRelauncher.java:50)
at cpw.mods.fml.relauncher.FMLRelauncher.instance(FMLRelauncher.java:40)
at cpw.mods.fml.relauncher.FMLRelauncher.handleServerRelaunch(FMLRelauncher.java:33)
at net.minecraft.server.MinecraftServer.main(MinecraftServer.java:1611)
at org.bukkit.craftbukkit.Main.main(Main.java:21)
Caused by: java.lang.ClassNotFoundException: java.security.CodeSigner not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:FTB-Beta-A.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
at java.net.URLClassLoader.findClass(libgcj.so.10)
at java.lang.ClassLoader.loadClass(libgcj.so.10)
at java.lang.ClassLoader.loadClass(libgcj.so.10)
at java.lang.Class.initializeClass(libgcj.so.10)
...5 more
Notice : Minecraft server has stopped running.
Error : Server failed to start 5 times. Not automatically restarting.
Warning : Server stopped unexpectedly! Automatically restarting...


I have renamed the file "FTB-Beta-A" to "FTB-BETA-A" and it says

Notice : Starting Minecraft Server...
Failed to load Main-Class manifest attribute from FTB-Beta-A.jar
Notice : Minecraft server has stopped running.
Warning : Server was not yet ready, automatically restarting (Attempt: 2 of 5)
Notice : Starting Minecraft Server...
Failed to load Main-Class manifest attribute from FTB-Beta-A.jar
Notice : Minecraft server has stopped running.
Warning : Server was not yet ready, automatically restarting (Attempt: 3 of 5)
Notice : Starting Minecraft Server...
Failed to load Main-Class manifest attribute from FTB-Beta-A.jar
Notice : Minecraft server has stopped running.
Warning : Server was not yet ready, automatically restarting (Attempt: 4 of 5)
Notice : Starting Minecraft Server...
Failed to load Main-Class manifest attribute from FTB-Beta-A.jar
Notice : Minecraft server has stopped running.
Warning : Server was not yet ready, automatically restarting (Attempt: 5 of 5)
Notice : Starting Minecraft Server...
Failed to load Main-Class manifest attribute from FTB-Beta-A.jar
Notice : Minecraft server has stopped running.
Error : Server failed to start 5 times. Not automatically restarting.
 
Probably Case senstive, but that class def not found means its either missing a mod, or you have a client side mod on the server.
 
I don't understand how that can be, I downloaded the entire mcmyadmin folder with the minceraft folder in it and reuploaded to this new server, I have made no changes.

-edit- I have deleted every mod and core mod and ftbserver.jar (renamed to FTB-Beta-A.jar) reuploaded a new copy of them all from the feedthebeast server download folder and it still doesn't work
 
Does McMyAdmin run by itself? Also just copy/pasting still changes every file. The directory for it might not be the same and that can throw it off also (if its not using local tree)
 
I have McMyAdmin.exe and all of it's folders and configs in /home/mcma/McMyAdmin the minecraft folder is in there too /home/mcma/McMyAdmin/Minecraft
 
Did you rename anything?

Also try just running the server not threw mcmyadmin and see if it will start.
 
I have not renamed anything but i've only used mcmyadmin to start the server before so how would I start it without it?
 
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