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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4216) Token X exceeds length of provided text sized X
Date Sun, 05 Aug 2012 13:04:02 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13428844#comment-13428844
] 

Robert Muir commented on LUCENE-4216:
-------------------------------------

{quote}
For Tashkeel, we should not adjust the offset since it is part of the word but not necessary
to be written when searching/indexing. it is the way how Arabic is written.
{quote}

It has nothing to do with arabic. offsets will be wrong for the rest of your document if you
dont fix this.
                
> Token X exceeds length of provided text sized X
> -----------------------------------------------
>
>                 Key: LUCENE-4216
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4216
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/highlighter
>    Affects Versions: 4.0-ALPHA
>         Environment: Windows 7, jdk1.6.0_27
>            Reporter: Ibrahim
>         Attachments: myApp.zip
>
>
> I'm facing this exception:
> org.apache.lucene.search.highlight.InvalidTokenOffsetsException: Token رأيكم exceeds
length of provided text sized 170
> 	at org.apache.lucene.search.highlight.Highlighter.getBestTextFragments(Highlighter.java:233)
> 	at classes.myApp$16$1.run(myApp.java:1508)
> I tried to find anything wrong in my code when i start migrating Lucene 3.6 to 4.0 without
successful. i found similar issues with HTMLStripCharFilter e.g. LUCENE-3690, LUCENE-2208
but not with SimpleHTMLFormatter so I'm triggering this here to see if there is really a bug
or it is something wrong in my code with v4. The code that im using:
> final Highlighter highlighter = new Highlighter(new SimpleHTMLFormatter("<font color=red>",
"</font>"), new QueryScorer(query));
> .......
> final TokenStream tokenStream = TokenSources.getAnyTokenStream(defaultSearcher.getIndexReader(),
j, "Line", analyzer);
> final TextFragment[] frag = highlighter.getBestTextFragments(tokenStream, doc.get("Line"),
false, 10);
> Please note that this is working fine with v3.6

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