[jira] [Created] (IGNITE-4800) Lucene query may fails with NPE.

[Anton Vinogradov (Jira)]

Andrew Mashenkov created IGNITE-4800:
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             Summary: Lucene query may fails with NPE.
                 Key: IGNITE-4800
                 URL: https://issues.apache.org/jira/browse/IGNITE-4800
             Project: Ignite
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.8
            Reporter: Andrew Mashenkov
             Fix For: 2.0
         Attachments: application_lucene.log

GridLuceneFile 'buffers' field is set to null regardless file can be used in GridLuceneInputStream by some query.

We should add a guard, that will prevent 'buffers' to be cleared until all GridLuceneInputStream-s is closed.



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