mlubavin-vg commented on issue #6043: Faulty channel in resource pool URL: https://github.com/apache/incubator-druid/issues/6043#issuecomment-474105630 Happening to us as well, couple times a day, connecting from broker to middle manager. Our exception though is "connection refused": ```Failure getting results for query[8015958b-de01-4242-9ef4-6c39eff9407e] url[http://ip-10-0-5-135.ec2.internal:20003/druid/v2/] because of [org.jboss.netty.channel.ChannelException: Faulty channel in resource pool] Caused by: java.net.ConnectException: Connection refused: ip-10-0-5-135.ec2.internal/10.0.5.135:20003 at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[?:1.8.0_191] at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[?:1.8.0_191] at org.jboss.netty.channel.socket.nio.NioClientBoss.connect(NioClientBoss.java:152) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.channel.socket.nio.NioClientBoss.processSelectedKeys(NioClientBoss.java:105) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:79) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) ~[netty-3.10.6.Final.jar:?] at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) ~[netty-3.10.6.Final.jar:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_191] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_191] ... 1 more```
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