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Posted to issues@lucene.apache.org by GitBox <gi...@apache.org> on 2021/08/20 14:47:58 UTC
[GitHub] [lucene-solr] dungba88 opened a new pull request #2557: LUCENE-10059: Fix AssertionError in JapaneseTokenizer backtrace
dungba88 opened a new pull request #2557:
URL: https://github.com/apache/lucene-solr/pull/2557
# Description
This is a backport of https://github.com/apache/lucene/pull/254
There is an issue which causes an `AssertionError` in the backtrace step of `JapaneseTokenizer`. If there is a text span of length 1024 (determined by `MAX_BACKTRACE_GAP`) where the regular backtrace is not called, a forced backtrace will be applied. If the partially best path at this point happens to end at the last pos, and since there is always a final backtrace applied at the end, the final backtrace will try to backtrace from and to the same position, causing an AssertionError in `RollingCharBuffer.get()` when it tries to generate an empty buffer.
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[GitHub] [lucene-solr] mikemccand merged pull request #2557: LUCENE-10059: Fix AssertionError in JapaneseTokenizer backtrace
Posted by GitBox <gi...@apache.org>.
mikemccand merged pull request #2557:
URL: https://github.com/apache/lucene-solr/pull/2557
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[GitHub] [lucene-solr] mikemccand commented on pull request #2557: LUCENE-10059: Fix AssertionError in JapaneseTokenizer backtrace
Posted by GitBox <gi...@apache.org>.
mikemccand commented on pull request #2557:
URL: https://github.com/apache/lucene-solr/pull/2557#issuecomment-903661261
Thanks @dungba88 -- I'll look today.
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