[jira] Updated: (MAHOUT-459) Reading an Index from Lucene/Solr 4.0-dev

["Stephen McGill (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen McGill updated MAHOUT-459:
----------------------------------

    Attachment: Mahout-Importing-Vectors-Lucene-Solr-4-dev.diff

I have attached my preliminary patch for this issue.  The Solr/Lucene-4-dev jar's are not available from the maven repository, however, and I added them to my local .m2 directory.

> Reading an Index from Lucene/Solr 4.0-dev
> -----------------------------------------
>
>                 Key: MAHOUT-459
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-459
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Utils
>    Affects Versions: 0.4
>         Environment: Windows Server 2008 R2 Standard, Cygwin, Solr-trunk, Mahout-trunk
>            Reporter: Stephen McGill
>            Priority: Minor
>             Fix For: 0.4
>
>         Attachments: Mahout-Importing-Vectors-Lucene-Solr-4-dev.diff
>
>
> It is not possible to read indexes created by Lucene/Solr 4.0-dev (the trunk development) with the Lucene libraries that are included with Mahout-dev.  When adding the new Lucene/Solr 4.0-dev, there are API changes that do not allow Mahout to compile.
> By adapting mahout-utils to fit Lucene/Solr 4.0-dev's API changes, it is possible to read its index.

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