replace invalid U+FFFF character during indexing
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Key: LUCENE-2016
URL: https://issues.apache.org/jira/browse/LUCENE-2016
Project: Lucene - Java
Issue Type: Bug
Affects Versions: 2.9, 2.4.1, 2.4
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 2.9.1, 3.0
If the invalid U+FFFF character is embedded in a token, it actually causes
indexing to silently corrupt the index by writing duplicate terms into the
terms dict. CheckIndex will catch the error, and merging will hit exceptions
(I think).
We already replace invalid surrogate pairs with the replacement character
U+FFFD, so I'll just do the same with U+FFFF.
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