Dejan, Thank you for letting us know about this problem. I was able to reproduce it, and I've opened a ticket: https://bz.apache.org/bugzilla/show_bug.cgi?id=62815 On Wed, Sep 12, 2018 at 5:58 AM dejan ikodinovic <dejan.ikodino...@gmail.com> wrote: > > Hi guys, > > I m working on parsing Excel xlsb files using Apache POI 3.17 version and > have problem for some numbers. > The problem is reading some numbers with 7 - 9 digits result as 0. This is > not the case for all 7 - 9 digits numbers. > > for numbers like > 1000000, 10000000, 1880000, 1880400 it works correct, but one example where > I get 0 is *1880450*. > > ---------------------------------- *GOOD * > ------------------------------------- > With debug I found for *1880400* read as byte array > [0, 0, 0, 0, 80, -79, 60, 65] > > this is correct I also checked with java code as: > > System.out.println( > ByteBuffer.wrap(new byte[] { 65, 60, -79, 80, 0, 0, 0, 0 }) > .getDouble()); > > and it outputs 1880400.0 > > also when read bytes like > > ByteBuffer.allocate(8).putDouble(1880400).array() > > [65, 60, -79, 80, 0, 0, 0, 0] > same as with *XSSFBParser* > > ---------------------------------- *BAD* > ------------------------------------- > > but *XSSFBParser* when read bytes for *1880450* returns array > [0, 0, 0, 0, 10, -58, 114, 0] > > and when I check with > > ByteBuffer.allocate(8).putDouble(1880450).array() > > [65, 60, -79, -126, 0, 0, 0, 0] > and this is correct byte array, but we dont get these bytes when read from > InputStream > > I guess this wrong read bytes comes from > > LittleEndianInputStream in XSSFBParser > > Just to mention that I saw you've released new Version 4.0.0 and tried it > as well and problem still exists. It reads 0 value for 1880450. > > Any idea (advice, help) what could be problem and how I can fix this? > Many thanks in advance!!! > > Cheers, > Dejan
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