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From hdumbre <hdum...@globeop.com>
Subject problem while striping password from xlsx large file
Date Sat, 23 Feb 2013 06:35:08 GMT
Hi All, 

I m using POI.3.8 , i have one requirement to strip the password from xlsx
I m using following code, 

POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(path)); 
EncryptionInfo info = new EncryptionInfo(fs); 
Decryptor d = Decryptor.getInstance(info); 
if (d.verifyPassword(password)) { 
XSSFWorkbook wb = new XSSFWorkbook(d.getDataStream(fs)); 
FileOutputStream fi = new FileOutputStream(path); 

It is working fine with me for 2-5 MB file ,but some input files are more
than 50MB , it taking more time and also giving OutOffMemoryException,then i
increase my ram size to 8GB but still no luck... 

Please help me if some one knows any solution for this 

Thanks in advance

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