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https://issues.apache.org/jira/browse/TIKA-2450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16147303#comment-16147303
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Matthew Caruana Galizia commented on TIKA-2450:
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I would argue that the raison d'etre of tika-detect is not to provide
extension-based detection, but to provide detection. A zero-bye file can never
be a Word Document, so assuming my first statement is true then logically it
should not be detected as a Word Document.
> OfficeParser.parse called for zero-byte file with .doc extension
> ----------------------------------------------------------------
>
> Key: TIKA-2450
> URL: https://issues.apache.org/jira/browse/TIKA-2450
> Project: Tika
> Issue Type: Bug
> Components: detector, parser
> Affects Versions: 1.16
> Reporter: Matthew Caruana Galizia
> Priority: Minor
>
> A zero-byte (empty) file with a .doc extension is detected as a Word Document
> and the {{OfficeParser.parse}} method is called for this file.
> We then get a {{TikaException}}, with the cause given as an
> {{org.apache.poi.EmptyFileException}}.
> I think it would be more useful if the file were NOT detected as a Word
> Document, meaning that the {{AutoDetectParser}} would then fall back to
> whatever is set as the fallback parser in the parse context.
> This is more useful because the user can then trigger some special logic for
> handling empty files.
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