Hi,

I've encountered an odd problem reading validations from an xlsx spreadsheet uploaded to Google Drive, and then exported. To cut a long story short, my particular use-case involves a pipeline of creating an Excel spreadsheet, which is then shared and used via Google Sheets to allow scientists to collaborate and annotate biological data (using data validations), and is then exported and the annotations read via Apache POI.

I have found that Apache POI can detect the validations in the original spreadsheet, but not in the exported version. The validations are read via XSSFSheet.getDataValidations(). The validations however, can be read fine when opening in either Excel or LibreOffice, and if resaved can then again be read by Apache POI.

To clarify things, I've put together a test case to demonstrate the problem at https://github.com/stuzart/poi-google-export-testcase

I'm not sure if this is a problem with Google export, or Apache POI.

thanks,

Stuart

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