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From "Chris A. Mattmann (JIRA)" <>
Subject [jira] Commented: (NUTCH-621) Nutch needs to declare it's crypto usage
Date Tue, 10 Jun 2008 14:22:45 GMT


Chris A. Mattmann commented on NUTCH-621:

Hi Grant:

Thanks for the poke on this. I was speaking with Jukka Zitting about this. Tika requires the
crypto declaration because of its transitive Maven dependencies in its Parsing framework on
the Bountycastle libraries. Nutch, on the other hand, is using Tika at this point for mime
detection only, and Nutch achieves its usage of Tika (0.1-incubating) by CM'ing only the Apache
Tika 0.1 jar, and not making use of any of its transitive dependencies (which are inherently
Parsing specific, and not Mime Detection specific). In addition, there was a similar thread
discussed here:

where the consensus was you don't need crypto notifications if you don't include any crypto
libraries or use the related functionality in an included other library that has an optional
dependency on a crypto library. So, I think that Nutch falls within that category. Would you

Thanks for your help and guidance.


> Nutch needs to declare it's crypto usage
> ----------------------------------------
>                 Key: NUTCH-621
>                 URL:
>             Project: Nutch
>          Issue Type: Task
>            Reporter: Grant Ingersoll
>            Assignee: Chris A. Mattmann
>            Priority: Blocker
> Per the ASF board direction outlined at, Nutch
needs to declare it's use of crypto libraries (i.e. BouncyCastle, via PDFBox/Tika).
> See TIKA-118.

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