This is a basic Java question.

You don't merge them - you put them all in your classpath. How depends on whether you are using java directly on the command line or though a tool like Eclipse.

Regards,
Dave

On May 18, 2009, at 4:48 AM, MY POI wrote:



thanks for the reply..

How do i merget all the three jars...






Yegor Kozlov wrote:

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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