@yjiang i have seen this exception happen when the druid broker/historical are returning exceptions instead of query results. The way to debug this, i would send via curl command some test query to druid. You can do an explain on the query you posted that will show you the actual druid query, copy that and send it via curl ` curl -X POST '<queryable_host>:<port>/druid/v2/?pretty' -H 'Content-Type:application/json' -d @<query_json_file> ` please let me know what is the outcome. ... View more

This seems to be unrelated, can you please start new thread and make sure to attach the actual logs of the job and the task spec, Thanks. ... View more

@Zack Riesland Druid is not managed by slider we are working on making it managed by yarn soon [issue link]. ... View more

Also you can check what version is shown when you connect via beeline at first place ? ... View more

@Pavel Tarasov are you sure you are using the interactive JDBC link as pointed by the picture above ? Can you run LLAP queries ? ... View more

you can find the jdbc connect string ... View more

Looks like you are using Old hive CLI driver called Hive1, you need to use Hive2 interactive via Beeline command line on the box it self or via JDBC. https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.5.0/bk_hive-performance-tuning/content/ch_hive_llap.html https://community.hortonworks.com/articles/4103/hiveserver2-jdbc-connection-url-examples.html ... View more

Can you add the command used to create the external table please ? BTW you shouldn't have to add the druid storage handler jars it is done automatically. ... View more

make sure the file has the correct read perm for use druid. ... View more