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On some architectures and operating systems, queries to an ODBC base view (e.g. to query a Microsoft Access file) may fail with this error:

Received exception with message 'Error obtaining some values for column(s): ...

If you run into this error, add the parameter below to the settings of the Java Virtual Machine of the Virtual DataPort server.


Then, restart the Virtual DataPort server.

After doing this, this error will no longer happen.


How to change the Java Virtual Machine from the command line

How to change the Java Virtual Machine settings from the Denodo Control Center

The information provided in the Denodo Knowledge Base is intended to assist our users in advanced uses of Denodo. Please note that the results from the application of processes and configurations detailed in these documents may vary depending on your specific environment. Use them at your own discretion.
For an official guide of supported features, please refer to the User Manuals. For questions on critical systems or complex environments we recommend you to contact your Denodo Customer Success Manager.


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