[GitHub] [incubator-druid] VijayakumarBalakrishnan commented on issue #5326: Netty error: "exception was thrown by a user handler while handling an exception"

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VijayakumarBalakrishnan commented on issue #5326: Netty error: "exception was thrown by a user handler while handling an exception"
URL: https://github.com/apache/incubator-druid/issues/5326#issuecomment-513736147
 
 
   2019-07-22 15:58:00.589  WARN 5822 --- [:0:0:0:0:1903])] o.j.n.channel.DefaultChannelPipeline     : An exception was thrown by a user handler while handling an exception event ([id: 0x08ca0e26, /127.0.0.1:45258 :> 0.0.0.0/0.0.0.0:1903] EXCEPTION: java.lang.NullPointerException)
   
   java.lang.NullPointerException: null
   	at com.ai.proxyserver.tcptunnel.TcpTunnelInboundHandler.exceptionCaught(TcpTunnelInboundHandler.java:186) ~[classes/:na]
   	at org.jboss.netty.channel.Channels.fireExceptionCaught(Channels.java:432) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.channel.AbstractChannelSink.exceptionCaught(AbstractChannelSink.java:52) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.channel.Channels.fireChannelOpen(Channels.java:176) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.channel.socket.nio.NioAcceptedSocketChannel.<init>(NioAcceptedSocketChannel.java:49) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink$Boss.registerAcceptedChannel(NioServerSocketPipelineSink.java:280) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink$Boss.run(NioServerSocketPipelineSink.java:247) ~[netty-3.2.2.Final.jar:na]
   	at org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:46) [netty-3.2.2.Final.jar:na]
   	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_201]
   	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_201]
   	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
   
   

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