I can not write json to ftp from databse.

we need to enhancement it. To write json data to ftp.

the error is 

org.apache.camel.component.file.GenericFileOperationFailedException: Cannot store file: upload/wine_20200804070858997.txt

Caused by: org.apache.camel.InvalidPayloadException: No body available of type: java.io.InputStream but has value: [{"ci":"B","gws":9802,"id":42,"nbj":3,"price":275,"wine":"Abreu Vineyard, Las Posadas, Howell Mountain","year":2013}, {"ci":"C+","gws":9728,"id":91,"nbj":3,"price":499,"wine":"Araujo Estate, Eisele Vineyard Cabernet Sauvignon, Napa Valley","year":2015}, {"ci":"A+","gws":9717,"id":99,"nbj":3,"price":225,"wine":"Aubert Wines, Ritchie Vineyard Chardonnay, White, Sonoma Coast","year":2015},