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From Piotr Naszarkowski <pnaszarkow...@gmail.com>
Subject Kylin and Tableau JDBC
Date Tue, 09 Jul 2019 19:25:56 GMT
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

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