java.util.concurrent.CancellationException: LinkedListChannel was cancelled
	at kotlinx.coroutines.channels.AbstractChannel.cancel(AbstractChannel.kt:639)
	at kotlinx.coroutines.channels.ActorCoroutine.onCancelling(Actor.kt:133)
	at kotlinx.coroutines.JobSupport.tryFinalizeSimpleState(JobSupport.kt:293)
	at kotlinx.coroutines.JobSupport.tryMakeCompleting(JobSupport.kt:853)
	at kotlinx.coroutines.JobSupport.makeCompletingOnce$kotlinx_coroutines_core(JobSupport.kt:825)
	at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:111)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at kotlinx.coroutines.internal.ScopeCoroutine.afterResume(Scopes.kt:32)
	at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:113)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.ktor.server.netty.EventLoopGroupProxy$Companion$create$factory$1$1.run(NettyApplicationEngine.kt:227)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Thread.java:748)