[GitHub] [lucene] madrob commented on pull request #989: Add back-compat indices for 8.11.2

[GitBox <gi...@apache.org>]

madrob commented on PR #989:
URL: https://github.com/apache/lucene/pull/989#issuecomment-1168939508

   Both the old index in d64900e and the regenerated index in f158be9 came off of branch_8_11, and more specifically the 8.11.2 release tag. I don't understand why they are different though. Old index was generated using commands in the release wizard and copied over from the commit in 963814fc454, regenerated index was built by running directly running `ant`, then zipped.
   
   The error that we get with the "bad" index can be reproduced on `d64900e` with `./gradlew test --tests TestBackwardsCompatibility.testSortedIndex`
   
   ```
   org.apache.lucene.backward_index.TestBackwardsCompatibility > testSortedIndex FAILED
       java.lang.AssertionError
           at __randomizedtesting.SeedInfo.seed([80EE95A3F6D9343B:F771F355CE204DEF]:0)
           at junit@4.13.1/org.junit.Assert.fail(Assert.java:87)
           at junit@4.13.1/org.junit.Assert.assertTrue(Assert.java:42)
           at junit@4.13.1/org.junit.Assert.assertTrue(Assert.java:53)
           at org.apache.lucene.backward_index.TestBackwardsCompatibility.searchExampleIndex(TestBackwardsCompatibility.java:2179)
           at org.apache.lucene.backward_index.TestBackwardsCompatibility.testSortedIndex(TestBackwardsCompatibility.java:2148)
   ```
   
   The test code in question is these lines:
   
   ```
       topDocs = searcher.search(new TermQuery(new Term("body", "the")), 5);
       assertTrue(topDocs.totalHits.value > 0);
   ```


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