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[SEVERE] Forge Mod Loader has detected that this server has an ModLoaderMP installed alongside Forge Mod Loader.
This will cause a serious problem with compatibility. To protect your worlds, this minecraft server will now shutdown.
You should follow the installation instructions of either Minecraft Forge of Forge Mod Loader and NOT install ModLoaderMP
into the minecraft_server.jar file before this server will be allowed to start up.

Failure to do so will simply result in more startup failures.

The authors of Minecraft Forge and Forge Mod Loader strongly suggest you talk to your mod's authors and get them to
update their requirements. ModLoaderMP is not compatible with Minecraft Forge on the server and they will need to update their mod
for Minecraft Forge and other server compatibility, unless they are Minecraft Forge mods, in which case they already
don't need ModLoaderMP and the mod author simply has failed to update his requirements and should be informed appropriately.

The authors of Forge Mod Loader would like to be compatible with ModLoaderMP but it is closed source and owned by SDK.
SDK, the author of ModLoaderMP, has a standing invitation to submit compatibility patches
to the open source community project that is Forge Mod Loader so that this incompatibility doesn't last.
Users who wish to enjoy mods of both types are encouraged to request of SDK that he submit a
compatibility patch to the Forge Mod Loader project at
http://github.com/cpw/FML.
Posting on the minecraft forums at
http://www.minecraft...et/topic/86765- (the MLMP thread)
may encourage him in this effort. However, I ask that your requests be polite.
Now, the server has to shutdown so you can reinstall your minecraft_server.jar
properly, until such time as we can work together.
[SEVERE] Unexpected exception
java.lang.RuntimeException: This FML based server has detected an installation of ModLoaderMP alongside. This will cause serious compatibility issues, so the server will now shut down.
at cpw.mods.fml.server.FMLServerHandler.onPreLoad(FMLServerHandler.java:109)
at net.minecraft.server.MinecraftServer.s(MinecraftServer.java:155)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
at dn.run(SourceFile:492)

This is my second attempt at trying to setup a minecraft server of my own. When I try to run the server this is the message I get and it then shuts down. Any help will be greatly appreciated.

Quote from webrosc

without a mod the server only knows the blocks and items in vanilla, anything else confuses it

Alright, and this other mod I've been trying http://www.modsforminecraft.com/archives/56, I put everything in the right spots and turn the server on and when I try to log into minecraft It logs me in then goes to a black screen and just sits there. Any idea why that is happening?

Quote from webrosc

a mod that adds items to the game needs to be in the server aswell as the client otherwise the server won't understand what the client is doing.

if the mod doesn't list a smp version then its for ssp only

So the reason I'm getting the stream ending is because I'm using Mods that aren't multiplayer?

Quote from whiskers1234123

Which mod are you trying to install?

The ones I've tried were THX Helicopter Mod http://www.minecraftforum.net/topic/763209-11-mod-thx-helicopter/

and the Shelf Mod http://www.minecraftdl.com/shelves-shelf-mod/

I'm not to sure if its because they're only singleplayer or not and I did install the mod to the server because it shows up in the server itself.

I recently got my MineCraft server up and running and have been tinkering with mods to get them to actually work. I have it so the mods work on single player but, when I try to make mod items on my server it gives me a stream has ended message and logs me off the server. Can anyone help me with this final issue?

Thanks