2013-05-27 03:42:06 [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.nio.channels.ClosedChannelException
        at io.netty.channel.DefaultChannelHandlerContext.write0(DefaultChannelHandlerContext.java:1555)
        at io.netty.channel.DefaultChannelHandlerContext.access$2600(DefaultChannelHandlerContext.java:39)
        at io.netty.channel.DefaultChannelHandlerContext$24.run(DefaultChannelHandlerContext.java:1545)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:364)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:326)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:114)
        at java.lang.Thread.run(Thread.java:722)