//Read an excel spreadsheet POIFSFileSystem fileSystem = new POIFSFileSystem(new FileInputStream("c:/temp/test.xls")); HSSFWorkbook workbook = new HSSFWorkbook(fileSystem); HSSFSheet worksheet = workbook.createSheet("ABC"); //Create a header row for (int i = 1; i <= 50; i++) { HSSFRow row = worksheet.createRow((short) i); for (int j = 0; j < 10; j++) { HSSFCell cell = row.createCell((short) j); } if (worksheet.isRowBroken(i)) { //Create a header row in new page; } } //Error details Line # 20 in the above code throws the following exception java.lang.NullPointerException at org.apache.poi.hssf.record.PageBreakRecord.getBreak(PageBreakRecord.java:251) at org.apache.poi.hssf.model.Sheet.isRowBroken(Sheet.java:2644) at org.apache.poi.hssf.usermodel.HSSFSheet.isRowBroken(HSSFSheet.java:1129) at ....
Fixed in SVN Jason