Tim Allison created TIKA-4415:
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Summary: Improve zip detection on truncated zips
Key: TIKA-4415
URL: https://issues.apache.org/jira/browse/TIKA-4415
Project: Tika
Issue Type: Task
Reporter: Tim Allison
On TIKA-4411, while running the regression tests, we found a file that used to
be identified as an xps file with 3.1.0 was now identified as a zip file with
the newer 3.x branch.
The file was: BCENRNQMIUX64IPK3K5BBMM6JWU7XNKO
The issue is subtle. The zip has a data descriptor. Our retry technique in the
detector calls reset() on the inputstream. For some reason this was throwing an
IOException (invalid mark) on a Tika inputstream. I couldn't figure out why
this was happening, but if we shift to spooling the zip to a file and then
retrying on that, everything works as it did.
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