Помогите Ошибка:Unexpected exception in the selector loop

Добрый вечер,форумчане.
Только что впервые столкнулся с такой ошибкой в консоле.
Когда игрок заходит на сервер выдает вот это:

Спойлер: Ошибка

2016-10-31 18:22:29 [INFO] 228poc2[/тут был ip)] logged in with entity id 5647481 at ([world] 1121.5, 84.0, -1741.5)
2016-10-31 18:22:30 [WARNING] Unexpected exception in the selector loop.
io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:115)
at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:53)
at io.netty.channel.ChannelOutboundBuffer.fail(ChannelOutboundBuffer.java:231)
at io.netty.channel.AbstractChannel$AbstractUnsafe.flushNow(AbstractChannel.java:743)
at io.netty.channel.nio.NioEventLoop.processWritable(NioEventLoop.java:524)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:496)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
at java.lang.Thread.run(Thread.java:745)
2016-10-31 18:22:31 [WARNING] Promise done already:
java.lang.IllegalStateException: recycled already
at io.netty.util.Recycler$Stack.push(Recycler.java:96)
at io.netty.util.Recycler.recycle(Recycler.java:56)
at io.netty.channel.MessageList.recycle(MessageList.java:162)
at io.netty.channel.AbstractChannel$AbstractUnsafe.flushNow(AbstractChannel.java:705)
at io.netty.channel.nio.NioEventLoop.processWritable(NioEventLoop.java:524)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:496)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
at java.lang.Thread.run(Thread.java:745)
2016-10-31 18:22:31 [WARNING] Unexpected exception in the selector loop.
java.lang.IllegalStateException: recycled already
at io.netty.util.Recycler$Stack.push(Recycler.java:96)
at io.netty.util.Recycler.recycle(Recycler.java:56)
at io.netty.channel.MessageList.recycle(MessageList.java:162)
at io.netty.channel.ChannelOutboundBuffer.fail(ChannelOutboundBuffer.java:234)
at io.netty.channel.AbstractChannel$AbstractUnsafe.flushNow(AbstractChannel.java:743)
at io.netty.channel.nio.NioEventLoop.processWritable(NioEventLoop.java:524)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:496)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
at java.lang.Thread.run(Thread.java:745)
2016-10-31 18:22:32 [WARNING] Promise done already:
java.lang.IllegalStateException: recycled already
at io.netty.util.Recycler$Stack.push(Recycler.java:96)
at io.netty.util.Recycler.recycle(Recycler.java:56)
at io.netty.channel.MessageList.recycle(MessageList.java:162)
at io.netty.channel.AbstractChannel$AbstractUnsafe.flushNow(AbstractChannel.java:705)
at io.netty.channel.nio.NioEventLoop.processWritable(NioEventLoop.java:524)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:496)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
at java.lang.Thread.run(Thread.java:745)
2016-10-31 18:22:32 [WARNING] Unexpected exception in the selector loop.
java.lang.IllegalStateException: recycled already
at io.netty.util.Recycler$Stack.push(Recycler.java:96)
at io.netty.util.Recycler.recycle(Recycler.java:56)
at io.netty.channel.MessageList.recycle(MessageList.java:162)
at io.netty.channel.ChannelOutboundBuffer.fail(ChannelOutboundBuffer.java:234)
at io.netty.channel.AbstractChannel$AbstractUnsafe.flushNow(AbstractChannel.java:743)
at io.netty.channel.nio.NioEventLoop.processWritable(NioEventLoop.java:524)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:496)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:464)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:358)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)
at java.lang.Thread.run(Thread.java:745)

Кто нибудь может подсказать,чем вызвана эта ошибка?
И вообще какие есть варианты решения данной проблемы?