https://bz.apache.org/bugzilla/show_bug.cgi?id=66610

PJ Fanning <fannin...@yahoo.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
                 OS|                            |All
         Resolution|---                         |INFORMATIONPROVIDED

--- Comment #2 from PJ Fanning <fannin...@yahoo.com> ---
Reading a large xlsx file requires a lot of memory. Try increasing your Xmx
size.

There is also support for streaming the Excel data - see
https://poi.apache.org/components/spreadsheet/how-to.html and the 'XSSF and SAX
(Event API)' section in it.

There are external libs for stream reading that might be easier to use:
* https://github.com/pjfanning/excel-streaming-reader
* https://github.com/dhatim/fastexcel

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