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  • Problem using Excel View

    I thought I had followed the examples closely but when I try to download an Excel document I receive the error "File error: data may have been lost" from Excel.

    Here is the code from my subclass of AbstractExcelView:
        protected void buildExcelDocument(Map map, HSSFWorkbook wb,
                HttpServletRequest request, HttpServletResponse response) throws Exception
            // This is an FTP service class that I built using the Apache Commons
            // Net library.  It works fine, I use it elsewhere with no problems
            FtpService ftp = new FtpService();
            // I have omitted some code here that logs on to the FTP service and 
            // determines the path to the Excel document.
            InputStream in = ftp.getFileStream(path);               
            wb = new HSSFWorkbook(in);
            // This code tests to make sure I have obtained the Excel document and
            // can read the value in the first row, first column.  
            HSSFSheet sheet = wb.getSheetAt(0);
    The println() in my code shows the correct value for the first row and column in the spreadsheet so I know I am getting the document and creating the workbook successfully. There must be another piece to this that I am missing. Any ideas? Thanks in advance.