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https://issues.apache.org/jira/browse/LUCENE-1448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646574#action_12646574
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[EMAIL PROTECTED] edited comment on LUCENE-1448 at 11/11/08 7:55 AM:
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Your tests had an off by error.
I corrected them and added the standardanalyzer piece so that both tests pass.
(i didnt correctly put the SA piece in the jflex file)
was (Author: [EMAIL PROTECTED]):
Your tests had an off by error.
I corrected them and added the standardanalyzer piece so that both tests pass.
> add getFinalOffset() to TokenStream
> -----------------------------------
>
> Key: LUCENE-1448
> URL: https://issues.apache.org/jira/browse/LUCENE-1448
> Project: Lucene - Java
> Issue Type: Bug
> Components: Analysis
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1448.patch, LUCENE-1448.patch
>
>
> If you add multiple Fieldable instances for the same field name to a
> document, and you then index those fields with TermVectors storing offsets,
> it's very likely the offsets for all but the first field instance will be
> wrong.
> This is because IndexWriter under the hood adds a cumulative base to the
> offsets of each field instance, where that base is 1 + the endOffset of the
> last token it saw when analyzing that field.
> But this logic is overly simplistic. For example, if the WhitespaceAnalyzer
> is being used, and the text being analyzed ended in 3 whitespace characters,
> then that information is lost and then next field's offsets are then all 3
> too small. Similarly, if a StopFilter appears in the chain, and the last N
> tokens were stop words, then the base will be 1 + the endOffset of the last
> non-stopword token.
> To fix this, I'd like to add a new getFinalOffset() to TokenStream. I'm
> thinking by default it returns -1, which means "I don't know so you figure it
> out", meaning we fallback to the faulty logic we have today.
> This has come up several times on the user's list.
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