Debugging with Eclipse - NPE

Hello,
I have set up my Eclipse to run a Bukkit server as this tutorial shows: https://forums.bukkit.org/threads/debugging-plugins-in-eclipse.4043/
This throws an error though after it started to load libraries:

Code:

Loading libraries, please wait...
java.lang.ExceptionInInitializerError
at org.bukkit.craftbukkit.Main.main(Main.java:159)
Caused by: java.lang.NullPointerException
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext(ClassLoaderContextSelector.java:182)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:145)
at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:81)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:83)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:34)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:387)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:322)
at net.minecraft.server.v1_7_R3.MinecraftServer.<clinit>(MinecraftServer.java:47)
... 1 more

I would highly appreciate if someone could help me with the problem

Code:

Bukkit Version: 1.7.9-R0.2
Win 8.1
java version "1.8.0_20"
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

When running the craftbukkit.jar manually, the server starts up fine.

 

its a null pointer in bukkit!? i havent faced that in the past.. im sorry mabe try another bukkit version

 

I've got a much better idea, Zettelkasten , use remote debugging and run a local server normally.

https://forums.bukkit.org/threads/tutorial-remote-debugging-with-bukkit.92081/