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https://issues.apache.org/jira/browse/TIKA-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17690528#comment-17690528
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ASF GitHub Bot commented on TIKA-3976:
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tballison merged PR #972:
URL: https://github.com/apache/tika/pull/972
> Allow users to configure behavior for zero-byte files
> -----------------------------------------------------
>
> Key: TIKA-3976
> URL: https://issues.apache.org/jira/browse/TIKA-3976
> Project: Tika
> Issue Type: Task
> Reporter: Tim Allison
> Priority: Minor
>
> We currently throw a ZeroByteFileException whenever the stream is empty in
> AutoDetectParser.
> I _think_ the reason we did this was for use cases in search systems, where
> it would be exceptional to send in a zero-byte file.
> For other use cases, though, especially for embedded files, it is kind of
> normal to have zero-byte contents but have meaningful metadata.
> So, embedded files generally are one place (as in .ppt, etc.), but WARC
> redirects and HTTPResponse files would be other types of containers that may
> include meaningful metadata in the embedded file, but the embedded file has a
> zero-byte stream.
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