[jira] [Commented] (TIKA-879) Detection problem: message/rfc822 file is detected as text/plain.

["Chris A. Mattmann (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TIKA-879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606335#comment-14606335 ] 

Chris A. Mattmann commented on TIKA-879:
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This is still open and we have a patch ready and available for TIKA-1602 - I am going to commit that patch (once updated with my comments from Github). Waiting for a more general solution is great, but if we have a patch that works at least in limited cases, my preference is to include that contribution and then improve later.

> Detection problem: message/rfc822 file is detected as text/plain.
> -----------------------------------------------------------------
>
>                 Key: TIKA-879
>                 URL: https://issues.apache.org/jira/browse/TIKA-879
>             Project: Tika
>          Issue Type: Bug
>          Components: metadata, mime
>    Affects Versions: 1.0, 1.1, 1.2
>         Environment: linux 3.2.9
> oracle jdk7, openjdk7, sun jdk6
>            Reporter: Konstantin Gribov
>              Labels: new-parser
>         Attachments: TIKA-879-thunderbird.eml, mime_diffs_A_to_B.html
>
>
> When using {{DefaultDetector}} mime type for {{.eml}} files is different (you can test it on {{testRFC822}} and {{testRFC822_base64}} in {{tika-parsers/src/test/resources/test-documents/}}).
> Main reason for such behavior is that only magic detector is really works for such files. Even if you set {{CONTENT_TYPE}} in metadata or some {{.eml}} file name in {{RESOURCE_NAME_KEY}}.
> As I found {{MediaTypeRegistry.isSpecializationOf("message/rfc822", "text/plain")}} returns {{false}}, so detection by {{MimeTypes.detect(...)}} works only by magic.



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