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我正在使用Netty 3.2.4，並且我試圖調試我的應用程序來解決一個錯誤，但是我意識到，在我開始使用Netty運行應用程序後，每隔2秒我就會從「無處」開始/關閉連接（頻道）。Netty打開/關閉「zumbi」連接（通道）的問題
我拋出了一個新的異常來獲取堆棧跟蹤來發現它來自哪裏，我看到一個「DeadLockProofWorker $ 1」類正在運行，根據以下堆棧跟蹤。
它從哪裏來？爲什麼？可以避免嗎？
java.lang.Exception
at org.spcbrasil.commbroker.server.handler.CleanUpServerHandler.channelClosed(CleanUpServerHandler.java:26)
at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:118)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:754)
at org.jboss.netty.channel.SimpleChannelHandler.channelClosed(SimpleChannelHandler.java:228)
at org.spcbrasil.commbroker.server.handler.CommBrokerServiceHandler.channelClosed(CommBrokerServiceHandler.java:79)
at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:118)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:754)
at org.jboss.netty.channel.SimpleChannelHandler.channelClosed(SimpleChannelHandler.java:228)
at org.spcbrasil.commbroker.server.handler.LogServerHandler.channelClosed(LogServerHandler.java:145)
at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:118)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:754)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.channelClosed(SimpleChannelUpstreamHandler.java:208)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:98)
at org.spcbrasil.commbroker.server.handler.HandshakeStopServerHandler.handleUpstream(HandshakeStopServerHandler.java:28)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:754)
at org.jboss.netty.channel.SimpleChannelHandler.channelClosed(SimpleChannelHandler.java:228)
at org.spcbrasil.commbroker.server.handler.HandshakeServerHandler.channelClosed(HandshakeServerHandler.java:107)
at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:118)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:754)
at org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:66)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:545)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:540)
at org.jboss.netty.channel.Channels.fireChannelClosed(Channels.java:404)
at org.jboss.netty.channel.socket.nio.NioWorker.close(NioWorker.java:593)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:355)
at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)