Hi -

If you mean the three jars then you are going to also need the ooxml jars.

See - http://poi.apache.org/howtobuild.html

Make sure you include the jars labeled - "ooxml-lib" - in the jar table.

Regards,
Dave

On May 18, 2009, at 11:22 PM, MY POI wrote:


I mounted all jars in the classpath

But i m getting the below exception

org.apache.poi.POIXMLException: java.lang.reflect.InvocationTargetException
       at
org .apache .poi.xssf.usermodel.XSSFFactory.createDocumentPart(XSSFFactory.java: 60)
       at
org.apache.poi.POIXMLDocumentPart.read(POIXMLDocumentPart.java:236)
       at
org.apache.poi.xssf.usermodel.XSSFWorkbook.<init>(XSSFWorkbook.java: 160)





David Fisher wrote:

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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