[jira] [Created] (SOLR-6759) ExpandComponent does not call finish() on DelegatingCollectors

["Simon Endele (JIRA)" <ji...@apache.org>]

Simon Endele created SOLR-6759:
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             Summary: ExpandComponent does not call finish() on DelegatingCollectors
                 Key: SOLR-6759
                 URL: https://issues.apache.org/jira/browse/SOLR-6759
             Project: Solr
          Issue Type: Bug
            Reporter: Simon Endele


We have a PostFilter for ACL filtering in action that has a similar structure as CollapsingQParserPlugin, i.e. it's DelegatingCollector gathers all documents and calls delegate.collect() for all docs finally in its finish() method.

In contrast to CollapsingQParserPlugin our PostFilter is also called by the ExpandComponent (for purpose).
But as the finish method is never called by the ExpandComponent, the "expand" section in the result is always empty.

Tested with Solr 4.10.2.



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