Loading Error with Bukkit 1.7.2

Every time I start up a Brand new server using the new Dev version of bukkit it dosnt work!
I got a whole bunch of code and heres whats in my run.bat (Keep in mind i renamed my bukkit jar to craftbukkit.jar) java -Xms1024M -Xmx1560M -jar craftbukkit.jar -o true
PAUSE

Thats my run.bat and i tested it works FINE on 1.6.4 heres the error i get on 1.7

C:\Users\Ethan McCue\Desktop\New Server 1.7.2>java -Xms1024M -Xmx1560M -jar craf
tbukkit.jar -o true
java.lang.ExceptionInInitializerError
at net.minecraft.server.v1_7_R1.MinecraftServer.<init>(MinecraftServer.j
ava:109)
at net.minecraft.server.v1_7_R1.DedicatedServer.<init>(DedicatedServer.j
ava:37)
at net.minecraft.server.v1_7_R1.MinecraftServer.main(MinecraftServer.jav
a:742)
at org.bukkit.craftbukkit.Main.main(Main.java:152)
Caused by: java.lang.IllegalStateException: failed to create a child event loop
at net.minecraft.util.io.netty.util.concurrent.MultithreadEventExecutorG
roup.<init>(MultithreadEventExecutorGroup.java:61)
at net.minecraft.util.io.netty.channel.MultithreadEventLoopGroup.<init>(
MultithreadEventLoopGroup.java:49)
at net.minecraft.util.io.netty.channel.nio.NioEventLoopGroup.<init>(NioE
ventLoopGroup.java:61)
at net.minecraft.util.io.netty.channel.nio.NioEventLoopGroup.<init>(NioE
ventLoopGroup.java:52)
at net.minecraft.server.v1_7_R1.ServerConnection.<clinit>(SourceFile:31)

... 4 more
Caused by: net.minecraft.util.io.netty.channel.ChannelException: failed to open
a new selector
at net.minecraft.util.io.netty.channel.nio.NioEventLoop.openSelector(Nio
EventLoop.java:128)
at net.minecraft.util.io.netty.channel.nio.NioEventLoop.<init>(NioEventL
oop.java:120)
at net.minecraft.util.io.netty.channel.nio.NioEventLoopGroup.newChild(Ni
oEventLoopGroup.java:87)
at net.minecraft.util.io.netty.util.concurrent.MultithreadEventExecutorG
roup.<init>(MultithreadEventExecutorGroup.java:57)
... 8 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(Unknown Source)
at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source)
at java.nio.channels.Pipe.open(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source)
at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source)
at net.minecraft.util.io.netty.channel.nio.NioEventLoop.openSelector(Nio
EventLoop.java:126)
... 11 more
Caused by: java.net.ConnectException: Connection timed out: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Unknown Source)
at sun.nio.ch.Net.connect(Unknown Source)
at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
at java.nio.channels.SocketChannel.open(Unknown Source)
... 20 more

C:\Users\Ethan McCue\Desktop\New Server 1.7.2>PAUSE
Press any key to continue . . .

 

1.7.2 (Development Build) is completly unsupported. Wait for it to update.