Gwt error ...No source code is available for type java.io.FileOutputStream; did you forget to inherit a required module?

Question

currently i am using smartgwt to export csv file from list grid i am using fileoutput stream to write listgrid data into csv The problem is that it compiled successfuly but on the run time it gives * No source code is available for type java.io.FileOutputStream; did you forget to inherit a required module?*

Answer 1

GWT is a client-side library. There are no files on the client side. Therefore, FileOutputStream cannot compile into JavaScript.