[SOLR-10321] Unified highlighter returns empty fields when using glob

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 6.4.2
• Fix Version/s: 9.0
• Component/s: highlighter
• Assignee: David Smiley
• Reporter: Markus Jelsma
• Created: 20/Mar/17 15:18
• Updated: 12/May/22 00:26
• Resolved: 08/Jan/22 04:21

Description

q=lama&hl.method=unified&hl.fl=content_*

returns:

  <lst name="http://www.nu.nl/weekend/3771311/dalai-lama-inspireert-westen.html">
    <arr name="content_en"/>
    <arr name="content_nl">
      <str>Nobelprijs Voorafgaand aan zijn bezoek aan Nederland is de dalai &lt;em&gt;lama&lt;/em&gt; in Noorwegen om te vieren dat 25 jaar geleden de Nobelprijs voor de Vrede aan hem werd toegekend. Anders dan in Nederland wordt de dalai &lt;em&gt;lama&lt;/em&gt; niet ontvangen in het Noorse parlement. </str>
    </arr>
    <arr name="content_general"/>
    <arr name="content_de"/>
    <arr name="content_fr"/>
    <arr name="content_es"/>
    <arr name="content_pt"/>
    <arr name="content_ja"/>
    <arr name="content_zh-cn"/>
    <arr name="content_th"/>
    <arr name="content_ar"/>
  </lst>

FastVector and original do not emit:

    <arr name="content_de"/>
    <arr name="content_fr"/>
    <arr name="content_es"/>
    <arr name="content_pt"/>
    <arr name="content_ja"/>
    <arr name="content_zh-cn"/>
    <arr name="content_th"/>
    <arr name="content_ar"/>

Issue Links

• duplicates: SOLR-10993 lots of empty highlight entries
• is duplicated by: SOLR-10993 lots of empty highlight entries
• is related to: LUCENE-9556 UnifiedHighlighter: distinguish no field from no passages in field
• links to: GitHub Pull Request #487