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Posted to dev@lucene.apache.org by "Luc Vanlerberghe (JIRA)" <ji...@apache.org> on 2015/04/08 16:18:12 UTC

[jira] [Created] (LUCENE-6409) LongBitSet.ensureCapacity overflows on numBits > Integer.MaxValue

Luc Vanlerberghe created LUCENE-6409:
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             Summary:  LongBitSet.ensureCapacity overflows on numBits > Integer.MaxValue 
                 Key: LUCENE-6409
                 URL: https://issues.apache.org/jira/browse/LUCENE-6409
             Project: Lucene - Core
          Issue Type: Bug
          Components: core/other
            Reporter: Luc Vanlerberghe


LongBitSet.ensureCapacity calculates the number of longs required to store the number of bits correctly and allocates a long[] accordingly, but then shifts the array length (which is an int!) left by 6 bits.  The int should be cast to long *before* performing the shift.



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