[10:00:14] [Netty Boss IO Thread #0/WARN] [io.netty.channel.DefaultChannelPipeline]: 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.
io.netty.channel.unix.Errors$NativeIoException: accept(..) failed: Too many open files
	at io.netty.channel.unix.Errors.newIOException(Errors.java:122) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.channel.unix.Socket.accept(Socket.java:316) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.channel.epoll.AbstractEpollServerChannel$EpollServerSocketUnsafe.epollInReady(AbstractEpollServerChannel.java:112) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:382) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:333) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:905) ~[Waterfall.jar:git:Waterfall-Bootstrap:1.14-SNAPSHOT:c354548:295]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]