Java Exception when starting up server

[Joegodoffish]

As soon as I go to start up the server I get "A Java exception has occurred" and nothing else. I had a tekkit light server running just fine, And I don't see what could be going wrong. Any Ideas?

[Devin Cox]

This is what I get:

Exception in thread "main" java.lang.NoClassDefFoundError: ab

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

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)

at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)

Caused by: java.lang.ClassNotFoundException: ab

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)

... 13 more

logout

[Process completed]

[Joegodoffish]

Yeah, I wish I got some complex Error. It just pops up with a tiny window saying an exception has occurred. And then nothing.

[Devin Cox]

Try updating your java,

if you have a mac use this code as start.command because this fixed it for me:

#!/bin/bash

cd "$( dirname "$0" )"

java -Xms1024M -Xmx1024M -jar minecraft_server.jar -o true nogui

[Lostonexxx]

I narrowed my server issues down to chicken chunks. I removed the mod, and have not had any problems since.