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https://issues.apache.org/jira/browse/LUCENE-4139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293561#comment-13293561
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Uwe Schindler commented on LUCENE-4139:
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The problem is more complicated:
How would you sum up offsets for Multivalued fields? How to correctly do this?
If you just sum up the offsets, they don't help you anymore with higlighting
(if you get multiple stored fields), although I have no idea how this should
work at all (highlighting MV fields)...
> multivalued field with offsets makes corrumpt index
> ----------------------------------------------------
>
> Key: LUCENE-4139
> URL: https://issues.apache.org/jira/browse/LUCENE-4139
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Robert Muir
> Attachments: LUCENE-4139_test.patch, LUCENE-4139_test.patch
>
>
> I was trying to beef up TestBackwardsCompatibility (LUCENE-4085) but i
> accidentally made a corrupt index due to a typo:
> {code}
> // a field with both offsets and term vectors for a cross-check
> FieldType customType3 = new FieldType(TextField.TYPE_STORED);
> customType3.setStoreTermVectors(true);
> customType3.setStoreTermVectorPositions(true);
> customType3.setStoreTermVectorOffsets(true);
> customType3.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS);
> doc.add(new Field("content3", "here is more content with aaa aaa aaa",
> customType3));
> // a field that omits only positions
> FieldType customType4 = new FieldType(TextField.TYPE_STORED);
> customType4.setStoreTermVectors(true);
> customType4.setStoreTermVectorPositions(false);
> customType4.setStoreTermVectorOffsets(true);
> customType4.setIndexOptions(IndexOptions.DOCS_AND_FREQS);
> // check out the copy-paste typo here! i forgot to change this to content4
> doc.add(new Field("content3", "here is more content with aaa aaa aaa",
> customType3));
> {code}
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