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https://issues.apache.org/jira/browse/TIKA-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17029796#comment-17029796
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Hudson commented on TIKA-3034:
------------------------------
UNSTABLE: Integrated in Jenkins build Tika-trunk #1767 (See
[https://builds.apache.org/job/Tika-trunk/1767/])
TIKA-3034 Mathematica files don't have a unique magic, but try to detect (nick:
[https://github.com/apache/tika/commit/f5571fa99ef6f178a16bd1bd3a3cded83c7b0013])
* (edit) tika-core/src/main/resources/org/apache/tika/mime/tika-mimetypes.xml
> Detector always returns text/plain when scanning Mathematica files
> ------------------------------------------------------------------
>
> Key: TIKA-3034
> URL: https://issues.apache.org/jira/browse/TIKA-3034
> Project: Tika
> Issue Type: Bug
> Components: detector
> Affects Versions: 1.23
> Reporter: Tung Nguyen
> Priority: Blocker
> Fix For: 1.23
>
>
> We are working with Tika to implement our mime types detection module. The
> library seemingly cannot detect Mathematica files although the documentation
> confirmed it does [1]. The Tika detector always returns `text/plain` instead
> of `application/mathematica` as described in the documentation as well as
> unit tests [2].
> By doing the same need with Python code as below, we can obtain the right
> mime types for any Mathematica file downloaded from the Wolfram Library
> Archive [3].
> {code:java}
> #!/usr/bin/python3
> import mimetypes, os, sys
> test_file = sys.argv[1]
> print(mimetypes.MimeTypes().guess_type(test_file)[0])
> {code}
> Therefore, we suspected there is a bug in Tika detector where it tries to
> guess mime types for Mathematica files.
> References:
> [1] [https://tika.apache.org/1.23/formats.html]
> [2]
> [https://github.com/apache/tika/blob/master/tika-core/src/test/java/org/apache/tika/TikaDetectionTest.java#L64]
> [3] [https://library.wolfram.com/infocenter/Courseware/4706/]
>
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