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io.netty.channel.ChannelException: connection refused at io.netty.channel.local.LocalChannel$LocalUnsafe.connect(LocalChannel.java:373) at io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1029) at io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:496) at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:481) at io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:463) at io.netty.channel.DefaultChannelPipeline.connect(DefaultChannelPipeline.java:849) at io.netty.channel.AbstractChannel.connect(AbstractChannel.java:199) at io.netty.bootstrap.Bootstrap$2.run(Bootstrap.java:187) at io.netty.channel.local.LocalEventLoop.run(LocalEventLoop.java:33) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) at java.lang.Thread.run(Unknown Source)