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DefaultChannelPromise@e79d29(uncancellable)
io.netty.util.concurrent.BlockingOperationException: DefaultChannelPromise@386b2f6f(uncancellable)	at io.netty.util.concurrent.DefaultPromise.checkDeadLock(DefaultPromise.java:390)	at io.netty.channel.DefaultChannelPromise.checkDeadLock(DefaultChannelPromise.java:157)	at io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:283)	at io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:135)	at io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:28)	at net.minecraft.network.NetworkManager.func_150718_a(NetworkManager.java:304)	at net.minecraft.network.NetHandlerPlayServer$1.operationComplete(NetHandlerPlayServer.java:172)	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680)	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:603)	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:563)	at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:406)	at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:82)	at io.netty.channel.ChannelOutboundBuffer.safeSuccess(ChannelOutboundBuffer.java:523)	at io.netty.channel.ChannelOutboundBuffer.remove(ChannelOutboundBuffer.java:247)	at io.netty.channel.ChannelOutboundBuffer.removeBytes(ChannelOutboundBuffer.java:322)	at io.netty.channel.epoll.EpollSocketChannel.writeBytesMultiple(EpollSocketChannel.java:212)	at io.netty.channel.epoll.EpollSocketChannel.doWriteMultiple(EpollSocketChannel.java:364)	at io.netty.channel.epoll.EpollSocketChannel.doWrite(EpollSocketChannel.java:317)	at io.netty.channel.AbstractChannel$AbstractUnsafe.flush0(AbstractChannel.java:707)	at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:248)	at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe.epollOutReady(EpollSocketChannel.java:623)	at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:322)	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:264)	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)	at java.lang.Thread.run(Thread.java:745)