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From "Sebastian Nagel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-1605) mime type detector recognizes xlsx as zip file
Date Wed, 16 Apr 2014 22:48:24 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-1605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13972053#comment-13972053
] 

Sebastian Nagel commented on NUTCH-1605:
----------------------------------------

Changes to MIME magic may result in subtle problems: please, test (trunk or 2.x)!

> mime type detector recognizes xlsx as zip file
> ----------------------------------------------
>
>                 Key: NUTCH-1605
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1605
>             Project: Nutch
>          Issue Type: Bug
>          Components: parser
>    Affects Versions: 1.7, 2.2.1
>            Reporter: Sebastian Nagel
>             Fix For: 2.3, 1.9
>
>         Attachments: NUTCH-1605-trunk-v1.patch, NUTCH-1605-trunk-v2.patch, test.xlsx
>
>
> With {{mime.type.magic}} as true (the default) Office Open XML spreadsheets (*.xlsx)
are treated as zip files and not parsed correctly:
> {code}
> % bin/nutch parsechecker http://localhost/test.xlsx
> fetching: http://localhost/test.xlsx
> parsing: http://localhost/test.xlsx
> contentType: application/zip
> ...
> {code}
> Xlsx files are formally zip files. Nevertheless, both HTTP header and file name are clear:
> {code}
> % wget -d http://localhost/test.xlsx
> ...
> HTTP/1.1 200 OK
> ...
> Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
> ...
> {code}
> Tika 1.4 detects the type correctly:
> {code}
> % java -jar tika-app-1.4.jar -d http://localhost/test/test.xlsx
> application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
> {code}



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