You seem to be using HSSFWorkbook to read .xlsx files. Use either
WorkbookFactory or XSSFWorkbook .
http://poi.apache.org/spreadsheet/quick-guide.html#ReadWriteWorkbook
Yegor
Hi i m getting the below exception when i try to .xlsx files. Even though i
tried with POI 3.2 version.
Can you tell me the solution for the problem.
java.io.IOException: Invalid header signature; read 1688935826934608,
expected -2226271756974174256
at
org.apache.poi.poifs.storage.HeaderBlockReader.<init>(HeaderBlockReader.java:88)
at
org.apache.poi.poifs.filesystem.POIFSFileSystem.<init>(POIFSFileSystem.java:83)
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