Hi William, Yesterday, when I experienced the stalling connection, beeline could not establish a successful one. I keep no copy of the output. Then, unfortunately, my Mac demanded a restart today. Something must have happened when I put it to sleep yesterday night. So HDP Sandbox and docker Zoomdata needed to be brought to life again. First thing I did after successful start was to test with Beeline, with successful results today: [root@sandbox ~]# beeline -u jdbc:hive2://192.168.240.129:10000 WARNING: Use "yarn jar" to launch YARN applications. Connecting to jdbc:hive2://192.168.240.129:10000 Connected to: Apache Hive (version 1.2.1000.2.4.0.0-169) Driver: Hive JDBC (version 1.2.1000.2.4.0.0-169) Transaction isolation: TRANSACTION_REPEATABLE_READ Beeline version 1.2.1000.2.4.0.0-169 by Apache Hive 0: jdbc:hive2://192.168.240.129:10000> Then, back in Zoomdata's UI, I could validate the jdbc:hive connection without problems this time. I don't recall anything wrong from when I checked the Zoomdata logs yesterday night. But I wanted to have a look again. Unfortunately, there are no logs for yesterday in the /opt/zoomdata/logs/ folder of the docker container. I am sure it is the right container I have ssh:ed to. The only thing I can do is to collect the logs immediately next time this problem manifests, if it does, and report to the community. Thanks a lot for your help. Br, Rafael ... View more

Hi, I've tried William's suggestion but it is not working for me. My problem is slightly different than Tim's: instead of 'failed to validate connection', what I get is a never-ending validation attempt: Any ideas? Br, Rafael ... View more