Minecraft Forums

Quote from zankioh »

I've never had it happen before, but I keep getting blackscreen on startup, even though I did everything as always.
I know how to install mods, I have the newest versions of modloader + zan's minimap downloaded and put them in the .jar.. no idea why it would happen.
Aside from my texturepack the .jar is clean, too.
Checked everything and did it three times over.

I'm getting the same thing for SMP. Here is the breakdown.

Windows 7 x64, Java x64, EXE version of minecraft
clean install with only the GUI/API and MiniMap installed
I can play single player without the minimap showing up. Multiplayer shows black screen.
I decided to run the linux minecraft.jar to see if I can get some more information on the issue. Here is what the console shows when running SMP.

java.lang.NoClassDefFoundError: ModLoader
        at rf.<init>(rf.java:18)
        at iw.a(SourceFile:55)
        at cb.a(SourceFile:69)
        at iw.a(SourceFile:78)
        at cb.e(SourceFile:116)
        at cb.d(SourceFile:104)
        at net.minecraft.client.Minecraft.j(SourceFile:1136)
        at net.minecraft.client.Minecraft.run(SourceFile:668)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: ModLoader
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 9 more

I am interested in the outcome of your tests. I'm looking to do something similar. Have you been able to get it to work?

There are various sites that have it. I don't think I can post here where I got it. I think it is a bug with this build of the server, because I can get older builds to work just fine. Just do some searching on the web for some download locations. I've always thought it was interesting how the good guys get caught with anti-piracy measures and the only way to get things to work is to use what the pirates put out for games to function the way it was designed.

I have paid for the game. I do log in to play the game on my laptop. The only thing I can't get to work is my own server. I understand this is still in alpha build and I figure that it is probably a bug or something. So I downloaded a server from somewhere else and have it working for now. I wish people on here were more helpful and didn't accuse people because they are having problems.

Your right I have not bought the game I just Pre-purchased it. I have an account from Pre-purchasing.

I'm not to familiar with IRC do the people who help in IRC not view the forums?
Why would I be asking if I didn't have an account?
The copies I have of the server and client are straight from the website so I don't see how that can be the problem.

I have also tried on multiple OS environments.
Windows 7 x64
Windows Server 2003

Both give me the same result.

Things I have tried:
connecting with localhost instead of 127.0.0.1.
adding the port number when connecting.
running the jar version of the server.

All give me the same result.

I am trying to setup a multi-player server locally before setting it up on my live server. I have been able to get the server to finally run after reading through several posts. Let me setup the scenario.
I have downloaded these files

Server: http://minecraft.net/download/Minecraft_Server.exe?v=1285881169761
Client: http://www.minecraft.net/download/Minecraft.exe?v=1285880848002

Here is the server properties
#Minecraft server properties
#Thu Sep 30 16:08:22 CDT 2010
online-mode=false
monsters=true
server-ip=
server-port=25565
max-players=20
level-name=world

Everytime I try to connect to the server via 127.0.0.1 I receive this message on the server console:
[INFO] Disconnecting Player [/127.0.0.1]: Outdated client!

I receive this error on the client:
Disconnected by server
Outdated client!

Seeing as I have downloaded the server and client from the following links how can either of them be out of date?