Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream

I get this rather unusual warning on startup before anything really starts loading:

12/19/2013 10:28:16 PM Loading libraries, please wait...
12/19/2013 10:28:19 PM WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
12/19/2013 10:28:21 PM [INFO] Starting minecraft server version 1.7.2
12/19/2013 10:28:21 PM [INFO] Loading properties

I'm running Windows Server 2008R2 (Enterprise) SP1 (x64). I'm runing java 1/7/0_45, SE Runtime 1.7.0_45-b18, server VM 24.45-b08 in mixed mode

I suspect this has something to do with BukkitGUI 1.7.1.513, but I thought I'd check here, since it started when I installed CraftBukit build 2969 (which I"m currently running.)

Even if that is the problem, what does this error mean? I've tried googling it, but no luck. It doesn't seem to be causing any particular errors, but I do have a somewhat heavier CPU usage rate than I did previously (average 22% vs 14% previously)

 

you could try:
1. install the Microsoft Visual C++ 2008 Redistributable Package, OR
2. add -nojline after -jar bukkit.jar in your run.bat

get the Visual C++ 2008 Redistributable:

for 32 bit: http://www.microsoft.com/en-gb/download/details.aspx?id=29
for 64 bit: http://www.microsoft.com/en-gb/download/details.aspx?id=15336

 

Same problem here... but Different error:
[GUI] Retrieving your current bukkit version...
[GUI] Your current bukkit version is 1.7.9-R0 (#3084)
[GUI] Starting bukkit server - min. RAM:1092 max. RAM:3418
[GUI] The server is starting...
[GUI] Server started...
12:29:02 Loading libraries, please wait...
12:29:09 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
12:29:13 java.lang.ExceptionInInitializerError
12:29:13 at net.minecraft.server.v1_7_R3.MinecraftServer.<init>(MinecraftServer.java:115)
12:29:13 at net.minecraft.server.v1_7_R3.DedicatedServer.<init>(DedicatedServer.java:37)
12:29:13 at net.minecraft.server.v1_7_R3.MinecraftServer.main(MinecraftServer.java:764)
12:29:13 at org.bukkit.craftbukkit.Main.main(Main.java:159)
12:29:13 Caused by: java.lang.IllegalStateException: failed to create a child event loop
12:29:13 at net.minecraft.util.io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:61)
12:29:13 at net.minecraft.util.io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
12:29:13 at net.minecraft.util.io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
[GUI] The server has stopped...
The funniest of all that it does not occur with vanilla and modded vanilla...

 

try the solutions above. i will help you further if they don't work for you.

 

I have the same problem i downloaded them and it didnt wok plzzzzz help

 

you case may be different lordofscribblez
please post your own error log on Pastebin.com, and link it back here.

 

Nope after all that, still nothing.

 

ok, please provide the information listed here
from what i can see, the server is failing to create a new thread. though i don't know why.