How do I convert tables with boolean fields to json using Apache NIFI?

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How do I convert tables with boolean fields to json using Apache NIFI?

I am trying to extract a table from a Sybase database and convert it to a json file.

I'm using the QueryDatabaseTableRecord processor with the following properties:

Also, I have configured the JsonRecortSetWriter with the following properties:

When I run the process, I get the following error:

The problem is that values in the boolean field "defo" in the table are considered as integer rather than boolean. Here is a caption from the table I want to convert:

I've tried many solutions but nothing works.
Any idea please ?