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# troubleshooting
s
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r
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org.jboss.netty.channel.ChannelException: Channel disconnected
	at org.apache.druid.java.util.http.client.NettyHttpClient$1.channelDisconnected(NettyHttpClient.java:334) ~[druid-processing-2023.03.0-iap.jar:2023.03.0-iap]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.channelDisconnected(SimpleChannelUpstreamHandler.java:208) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.channelDisconnected(SimpleChannelUpstreamHandler.java:208) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.handler.codec.replay.ReplayingDecoder.cleanup(ReplayingDecoder.java:570) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.handler.codec.frame.FrameDecoder.channelDisconnected(FrameDecoder.java:365) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.handler.codec.http.HttpClientCodec.handleUpstream(HttpClientCodec.java:92) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.Channels.fireChannelDisconnected(Channels.java:396) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(AbstractNioWorker.java:360) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:93) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) ~[netty-3.10.6.Final-iap3.jar:?]
	at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) ~[netty-3.10.6.Final-iap3.jar:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_352]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_352]
	at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_352]
do someone know what this warning means.
g
it's an issue syncing authentication details from the Coordinator to the server that you saw the log on. It may resolve itself in which case you can ignore it. If it doesn't resolve itself then I would check if your Coordinator is healthy
👍 1
r
thanks @Gian Merlino i see it is not resolving by it self, let me check the Coordinator service.