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https://issues.apache.org/jira/browse/SOLR-18175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SOLR-18175:
----------------------------------
    Labels: newdev pull-request-available  (was: newdev)

> A FieldExistsQuery IllegalStateException should result in HTTP 400 not 500 
> error
> --------------------------------------------------------------------------------
>
>                 Key: SOLR-18175
>                 URL: https://issues.apache.org/jira/browse/SOLR-18175
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: David Smiley
>            Priority: Minor
>              Labels: newdev, pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> If you issue an existence query {{field:*}} yet that field does not support 
> Lucene's {{FieldExistsQuery}}, FEQ.rewrite will throw IllegalStateException: 
> bq. FieldExistsQuery requires that the field indexes doc values, norms or 
> vectors, but field 'foo' exists and indexes neither of these data structures
> Solr ultimately returns a HTTP 500, which is not what we want.  We want HTTP 
> 400.  Note that I discovered this via a {{facet.query}} and have yet to check 
> if it were to happen simply in a {{q}}.  The change likely involves modifying 
> Solr {{FieldType.getExistenceQuery}} to throw an exception with the 400 code.



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