Hi there I have been fiddling around trying to get this to work but I decided my best bet was to post on the forum.
Every time I launch the forge server it opens no console and gives me this in the log:
2015-03-28 21:19:07 [iNFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2015-03-28 21:19:07 [iNFO] [ForgeModLoader] Java is Java HotSpot 64-Bit Server VM, version 1.8.0_40, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre1.8.0_40
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Java classpath at launch is C:\Servers\TPPI Server\minecraftforge-universal-1.6.4-9.11.1.965-v164-pregradle.jar
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Java library path at launch is C:\Program Files\Java\jre1.8.0_40\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Skype\Phone\;.
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Enabling runtime deobfuscation
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Instantiating coremod class FMLCorePlugin
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Enqueued coremod FMLCorePlugin
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Instantiating coremod class FMLForgePlugin
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Enqueued coremod FMLForgePlugin
2015-03-28 21:19:07 [FINE] [ForgeModLoader] All fundamental core mods are successfully located
2015-03-28 21:19:07 [FINE] [ForgeModLoader] Discovering coremods
2015-03-28 21:19:07 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-03-28 21:19:07 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2015-03-28 21:19:07 [iNFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-03-28 21:19:07 [sEVERE] [ForgeModLoader] Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.remove(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:48)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:17)
I hope you can shed a little light on this for me.
Thanks
DG.