[jira] [Created] (SOLR-6782) PostingsSolrHighlighter produces strange highlight results

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

Simon Endele created SOLR-6782:
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             Summary: PostingsSolrHighlighter produces strange highlight results
                 Key: SOLR-6782
                 URL: https://issues.apache.org/jira/browse/SOLR-6782
             Project: Solr
          Issue Type: Bug
          Components: highlighter
            Reporter: Simon Endele


If {{hl.fl}} contains commas _and_ whitespaces, e.g. {{hl.fl=title, content}}, the PostingsSolrHighlighter produces the following result:
{code}
  "highlighting": {
    "mydoc1": {
      "title": [],
      "": [],
      "content": [
        "my highlighted content. "
      ]
    },
    "mydoc2": {
      "title": [],
      "": [],
      "content": [
        "my highlighted content 2. "
      ]
    }
  },
{code}

Two things:
- The space followed by the comma leads to an empty field (or even a bunch in case of longer field list).
- Why is {{"title": [],}} included in the response (though {{hl.defaultSummary}} is not set)?

Tested with Solr 4.10.2.



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