[jira] [Created] (SOLR-15105) Sum aggregation not supported for externalField [Exception]

["Hitesh Khandelwal (Jira)" <ji...@apache.org>]

Hitesh Khandelwal created SOLR-15105:
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             Summary: Sum aggregation not supported for externalField [Exception]
                 Key: SOLR-15105
                 URL: https://issues.apache.org/jira/browse/SOLR-15105
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: search
    Affects Versions: 8.7
            Reporter: Hitesh Khandelwal


I upgraded solr (earlier version was 8.1.0) and got the following exception:
org.apache.solr.common.SolrException: sum aggregation not supported for popularityFile
	at org.apache.solr.search.facet.SumAgg.createSlotAcc(SumAgg.java:45)
	at org.apache.solr.search.facet.FacetFieldProcessor.createCollectAcc(FacetFieldProcessor.java:221)
	at org.apache.solr.search.facet.FacetFieldProcessorByArray.createCollectAcc(FacetFieldProcessorByArray.java:87)
It happens when doing sum aggregation on a field type of solr.ExternalFileField

Here's the fieldType config:
{code:java}
<fieldType name="popularityFile" keyField="id" defVal="0" stored="true" indexed="true" class="solr.ExternalFileField"/>{code}



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