Hi @archer2012 , that error output doesn't give us a lot of information about what went wrong, but it looks like the connection wasn't successful. I recommend using Beeline in verbose mode from a command line on a suitable node to troubleshoot the connection independently. Once you have the connection to Impala working separately, then you can come back to Airflow and use the working connection settings. ... View more

Thanh you so much @bbreak, the document is so helpful and I read almost the pages. Hope you will help us more, like you did. Have a good day! (UTC +7) ^ ^ ... View more

Closing the connection while the query is still executing is generally not good practice. Think of it as taking ownership for the query you've executed, sort of like turning the lights off before you leave a room. If you're going to close the session (leave the room), you need to first cancel the query that's consuming resources (turn off the lights you turned on). The normal expectation is that an executing query will have an associated active session. ... View more

@data_diver Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. Thanks ... View more