rafitadiaz commented on issue #6043: Faulty channel in resource pool URL: https://github.com/apache/druid/issues/6043#issuecomment-603794753 A quick comment to see if this can be useful for someone having this problem. We got the same issue today in our druid cluster. After some research we discover that one of the data nodes was announcing itself with a wrong ip. We use puppet to populate the conf file when the node is created. We think now that the instance was rebooted and the ip changed but the conf file was not updated. So the instance now had the `10.132.0.3` but was announcing itself using the old ip `10.132.0.51` and all the queries failed with this: ```java Caused by: org.jboss.netty.channel.ConnectTimeoutException: connection timed out: /10.132.0.51:8083 ... 2020-03-25T11:11:58,709 WARN [DruidSchema-Cache-0] org.apache.druid.sql.calcite.schema.DruidSchema - Metadata refresh failed, trying again soon. org.apache.druid.query.QueryInterruptedException: org.jboss.netty.channel.ChannelException: Faulty channel in resource pool ```
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