Help, server crashses

Hi, im trying to host a custom modpack. When I hit the Start button, in console it eventual just says stoped server, iv even tryed running the server on a CMD with a .BAT thingy. It works fine there. please help

~Thanks


Here is console:

11.11 14:34:00 [Multicraft] Server stopped
11.11 14:34:00 [Multicraft] Server shut down
11.11 14:34:00 [Server] INFO /run.sh: line 31: 21261 Killed /monitor.sh "$PID" "$USER"
11.11 14:33:59 [Server] INFO Process 21258 detected
11.11 14:33:59 [Server] INFO Process 21258 dead!
11.11 14:33:59 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)
11.11 14:33:59 [Server] INFO at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:25)
11.11 14:33:59 [Server] INFO at java.lang.Class.forName(Class.java:270)
11.11 14:33:59 [Server] INFO at java.lang.Class.forName0(Native Method)
11.11 14:33:59 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
11.11 14:33:59 [Server] INFO at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
11.11 14:33:59 [Server] INFO at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
11.11 14:33:59 [Server] INFO at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
11.11 14:33:59 [Server] INFO at java.security.AccessController.doPrivileged(Native Method)
11.11 14:33:59 [Server] INFO at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
11.11 14:33:59 [Server] INFO at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
11.11 14:33:59 [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
11.11 14:33:59 [Server] INFO We appear to be missing one or more essential library files.
11.11 14:33:59 [Server] INFO /usr/bin/java $START
11.11 14:33:59 [Multicraft] Loaded config for "Mod: Custom Server"
11.11 14:33:59 [Multicraft] Starting server!
11.11 14:33:59 [Multicraft] Loading server properties
11.11 14:33:59 [Multicraft] Received start command

 

OMG THNX,
that fixed that problem, but now I have another. heres the console thing
~thanks

12.11 16:03:23 [Multicraft] Server stopped
12.11 16:03:23 [Multicraft] Server shut down
12.11 16:03:22 [Server] INFO /run.sh: line 31: 19826 Killed /monitor.sh "$PID" "$USER"
12.11 16:03:21 [Server] INFO Process 19825 detected
12.11 16:03:21 [Server] INFO A problem occurred running the Server launcher.Process 19825 dead!
12.11 16:03:12 [Server] INFO /usr/bin/java $START
12.11 16:03:11 [Multicraft] Loaded config for "Mod: Custom Server"
12.11 16:03:11 [Multicraft] Starting server!
12.11 16:03:11 [Multicraft] Loading server properties
12.11 16:03:11 [Multicraft] Server stopped
12.11 16:03:11 [Multicraft] Retrying server startup
12.11 16:02:41 [Multicraft] Server stopped
12.11 16:02:41 [Multicraft] Server shut down
12.11 16:02:41 [Server] INFO /run.sh: line 31: 9508 Killed /monitor.sh "$PID" "$USER"
12.11 16:02:41 [Server] INFO Process 9507 detected
12.11 16:02:41 [Server] INFO A problem occurred running the Server launcher.Process 9507 dead!
12.11 16:02:33 [Server] INFO /usr/bin/java $START
12.11 16:02:32 [Multicraft] Loaded config for "Mod: Custom Server"
12.11 16:02:32 [Multicraft] Starting server!
12.11 16:02:32 [Multicraft] Loading server properties
12.11 16:02:32 [Multicraft] Server stopped
12.11 16:02:32 [Multicraft] Received restart command

 

should I make a differnt post for this?