Copy a XLS using event model

["Gabriel C." <ga...@tcs.com>]

Hi all,
I need to process a big XLS file with POI, as using the usermodel consumes too
much resources (is taking almost a Gb for 50K rows), I had to use the
eventmodel. So far so good, I've been able to process the records and extract
the information I need, but now I need to save the big XLS filtering some rows.
I've tried serializing the records I read into a POIFSFileSystem, but I get a
bigger file than the original and when I try to open it it says is corrupted
beyond repair :)
can I just serialize the records or I need to do some extra processing? 
Any ideas?

Thanks!

Gabriel


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