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From "Dawid Weiss (JIRA)" <j...@apache.org>
Subject [jira] Commented: (NUTCH-787) Upgrade Lucene to 3.0.0.
Date Mon, 08 Feb 2010 11:14:27 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830900#action_12830900
] 

Dawid Weiss commented on NUTCH-787:
-----------------------------------

The failing test in TestIndexSorter is caused by the change of implementation inside Lucene.
In Lucene 2.9, SegmentMerger calls IndexReader#document(int, FieldSelector), but in 3.0 this
has been changed to a call to document(int):

        Document doc = reader.document(docCount);

Now, IndexSorter in Nutch overrides both methods and delegates to the superclass (IndexReader)
with mapping from old ids to new ids, but IndexReader re-delegates back to the overriden method,
so IDs are effectively remapped back to original values.


> Upgrade Lucene to 3.0.0.
> ------------------------
>
>                 Key: NUTCH-787
>                 URL: https://issues.apache.org/jira/browse/NUTCH-787
>             Project: Nutch
>          Issue Type: Task
>          Components: build
>            Reporter: Dawid Weiss
>            Priority: Trivial
>         Attachments: NUTCH-787.patch
>
>


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