> If I create a ³corrupt² excel, unzip it, and then zip it back up (on my > mac using zip command), the resulting zip file opens without issue. If a > colleague on Windows generates the same excel, and does the same probably > using windup, the corruption remains.
Please check if you see a difference with zipinfo: http://www.info-zip.org/mans/zipinfo.html See below [1] - for your "Results (2).xlsx". I think there was something with the compression method, i.e. not all compression methods might be supported - also defN = "deflate normal" sound like a default compression. IIRC there's also a file in our test-corpus with some strange compression method, which poi can't open. > Hmm, for some reason my attached files did not make it into the thread. Is > there a UI where I can attach them? Just open a ticket in the bugzilla: https://bz.apache.org/bugzilla/enter_bug.cgi?product=POI&component=XSSF Andi [1] $ zipinfo Results2.xlsx Archive: Results2.xlsx Zip file size: 6744 bytes, number of entries: 11 -rw---- 2.0 fat 596 bl defN 17-Jul-06 10:02 _rels/.rels -rw---- 2.0 fat 1195 bl defN 17-Jul-06 10:02 [Content_Types].xml -rw---- 2.0 fat 184 bl defN 17-Jul-06 10:02 docProps/app.xml -rw---- 2.0 fat 441 bl defN 17-Jul-06 10:02 docProps/core.xml -rw---- 2.0 fat 131 bl defN 17-Jul-06 10:02 xl/drawings/drawing1.xml -rw---- 2.0 fat 138 bl defN 17-Jul-06 10:02 xl/sharedStrings.xml -rw---- 2.0 fat 3601 bl defN 17-Jul-06 10:02 xl/styles.xml -rw---- 2.0 fat 350 bl defN 17-Jul-06 10:02 xl/workbook.xml -rw---- 2.0 fat 574 bl defN 17-Jul-06 10:02 xl/_rels/workbook.xml.rels -rw---- 2.0 fat 22610 bl defN 17-Jul-06 10:02 xl/worksheets/sheet1.xml -rw---- 2.0 fat 303 bl defN 17-Jul-06 10:02 xl/worksheets/_rels/sheet1.xml.rels 11 files, 30123 bytes uncompressed, 5226 bytes compressed: 82.7%
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