[nettyWorkerPool-3-1] 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.
java.lang.NoSuchMethodError: kotlinx.coroutines.experimental.BuildersKt.launch$default(Lkotlin/coroutines/experimental/CoroutineContext;ZLkotlin/jvm/functions/Function2;ILjava/lang/Object;)Lkotlinx/coroutines/experimental/Job;
	at org.jetbrains.ktor.pipeline.AsyncKt.launchAsync(Async.kt:10)
	at org.jetbrains.ktor.netty.NettyApplicationCallHandler.channelRead0(NettyApplicationCallHandler.kt:8)
	at org.jetbrains.ktor.netty.NettyApplicationCallHandler.channelRead0(NettyApplicationCallHandler.kt:6)
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:38)
	at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:353)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:442)
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
	at java.lang.Thread.run(Thread.java:748)