In Vaadin 14 It generates the empty xlsx file.
If you are using vaadin 14, please make sure you have mentioned the property name(the same name of your POJO’s setter/getter name) to your grid’s setKey() method.
In Vaadin 14 It generates the empty xlsx file.
If you are using vaadin 14, please make sure you have mentioned the property name(the same name of your POJO’s setter/getter name) to your grid’s setKey() method.