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

["Tim Allison (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TIKA-879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Allison updated TIKA-879:
-----------------------------
    Attachment: mime_diffs_A_to_B.html

Only about ~300 more rfc822 files.  I'll manually review some to see if the increase is good or bad.

> 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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