Glue Crawler cannot classify SNAPPY compressed JSON files


I have a KFH application that puts compressed json files as snappy into an S3 bucket. I have also a Glue Crawler that creates schema using that bucket. However, the crawler classifies the table as UNKNOWN in case I activate snappy compression. It cannot detect the file is in JSON format indeed. According to below doc, Glue crawler provides snappy compression with JSON files but I wasn't able to achieve it.

I have also thought it might be related to the file extension and tried below names but it didn't work:








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