17.08 17:51:40 [FMCS] Received start command
17.08 17:51:40 [FMCS] Loading server properties
17.08 17:51:40 [FMCS] Starting server!
17.08 17:51:40 [FMCS] Loaded config for "Custom JAR"
17.08 17:51:40 [Server] INFO OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=128M; support was removed in 8.0
17.08 17:51:42 [FMCS] Loading server properties
17.08 17:51:47 [Server] INFO We appear to be missing one or more essential library files.
17.08 17:51:47 [Server] INFO You will need to add them to your server before FML and Forge will run successfully.java.lang.ClassNotFoundException: net.minecraft.launchwrapper.Launch
17.08 17:51:47 [Server] INFO at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
17.08 17:51:47 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
17.08 17:51:47 [Server] INFO at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
17.08 17:51:47 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
17.08 17:51:47 [Server] INFO at java.lang.Class.forName0(Native Method)
17.08 17:51:47 [Server] INFO at java.lang.Class.forName(Class.java:348)
17.08 17:51:47 [Server] INFO at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:52)
17.08 17:51:47 [Server] INFO at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)
17.08 17:51:47 [FMCS] Server shut down
17.08 17:51:47 [FMCS] Looks like a crash, check the server console. Return value: 1
17.08 17:51:47 [FMCS] Server stopped
17.08 17:51:47 [FMCS] Not restarting crashed server.