[jira] [Created] (SOLR-6584) Export handler trips bug in prefetch with very small indexes.

["Joel Bernstein (JIRA)" <ji...@apache.org>]

Joel Bernstein created SOLR-6584:
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             Summary: Export handler trips bug in prefetch with very small indexes.
                 Key: SOLR-6584
                 URL: https://issues.apache.org/jira/browse/SOLR-6584
             Project: Solr
          Issue Type: Bug
            Reporter: Joel Bernstein
            Priority: Minor


When there are very few documents in the index the ExportQParserPlugin is creating a dummy docList which is larger then the number of documents in the index. This causes a bug during the prefetch stage of the QueryComponent.

There really needs to be two fixes here.

1) The dummy docList should never be larger then the number of documents in the index.

2) Prefetch should be turned off during exports as it's not doing anything useful.







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