Dear Kylin Team, I managed to debug and resolve the issue, it's due to Avatica 1.10 missing implementation of AvaticaConnection.isValid method. I've fixed this here by upgrading Avatica to 1.12: https://github.com/apache/kylin/pull/739
Please consider adding this PR to your repository when it passes all your tests. Thanks, Piotr wt., 9 lip 2019 o 21:25 Piotr Naszarkowski <[email protected]> napisał(a): > Dear Kylin Team, > > I'm trying to connect Tableau (Desktop for now) to Apache Kylin using JDBC > driver. Connection fails with the error below. > [image: image.png] > I know that there are limitations regarding dialect from Tableau side ( > https://onlinehelp.tableau.com/current/pro/desktop/en-us/examples_otherdatabases_jdbc.htm), > which might be the issue however I'm not sure about it. > > The error messages in Tableau log files are not much of value, but I > attach the most meaningful log entry below: > {"ts":"2019-07-09T21:09:43.021","pid":11780,"tid":"2504","sev":"error","req":"-","sess":"-","site":"-","user":"-","k":"detailed-error-msg","e":{"category":"needs-classification","log-code":"bad0a3fa"},"v":{"details":["com.tableausoftware.jdbc.TableauJDBCException: > Error in isConnected","Generic JDBC connection > error","com.tableausoftware.jdbc.TableauJDBCException: Error in > isConnected\n"],"headline":"An error occurred while communicating with > Other Databases (JDBC).\n","shortMessage":"Bad Connection: Tableau could > not connect to the data source.","support-help-link":" > https://www.tableau.com/en-us/app/producthelp?build=20191.19.0213.2333&edition=pro&errorcode=&errormessage=&lang=en-us&platform=windows&type=redirect&version=2019.1 > "}} > > JDBC works fine with my installation from e.g. squirrelSQL. > > Anybody has a clue how to make it work? Do you think that there is > something in the code of jdbc driver that can be checked/fixed or debugged? > Is there anything you would recommend? > > Versions: > Tableau Desktop 2019.1 installed on Windows > Apache Kylin 2.6.2 installed from binaries on CentOS > Apache Kylin jdbc driver built locally from 2.6.3 revision/tag. > > Thanks, > Piotr >
