01:35:19 [SEVERE] Jun 26, 2013 1:35:19 AM io.netty.channel.DefaultChannelPipeline$TailHandler exceptionCaught
WARNING: An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
java.io.IOException: Too many open files
	at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
	at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:226)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doReadMessages(NioServerSocketChannel.java:112)
	at io.netty.channel.nio.AbstractNioMessageChannel$NioMessageUnsafe.read(AbstractNioMessageChannel.java:61)
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:429)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:392)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:322)
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:114)
	at java.lang.Thread.run(Thread.java:722