I did everything as you said, but it is the normal minecraft server run, not "forge", I renamed "forge" in "minecraft_server.jar" to execute it, and it tells me this:
"openmod => 77.111.198.240:1945:4:ferme
Sep 01, 2013 9:55:34 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:48)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:17)
Caused by: java.lang.NoClassDefFoundError: com/google/common/collect/Lists
at cpw.mods.fml.common.launcher.FMLTweaker.acceptOptions(FMLTweaker.java:67)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:50)
at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
... 6 more
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.Lists
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 9 more
Sun Sep 1 21:55:34 CEST 2013: Server restart in 10 seconds"
and it noted that in the logs at infinity
^^'