When we are uploading excel using POI APIs, the api is showing error -
"java.lang.IllegalArgumentException: The supplied POIFSFileSystem contained neither a 'Workbook' entry, nor a 'WORKBOOK' entry. Is it really an excel file?"
When we are doing CTRL+S in excel the property gets changed to Workbook.
Please help in rectifying the issue.
"java.lang.IllegalArgumentException: The supplied POIFSFileSystem contained neither a 'Workbook' entry, nor a 'WORKBOOK' entry. Is it really an excel file?"
When we are doing CTRL+S in excel the property gets changed to Workbook.
Please help in rectifying the issue.