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https://issues.apache.org/jira/browse/SOLR-16750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17810986#comment-17810986
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Christine Poerschke commented on SOLR-16750:
--------------------------------------------
Here's details on the undistributed search test failure -- {{./gradlew -p
solr/core test --tests TestGroupingSearch}} -- and note that in the
https://github.com/apache/solr/blob/main/solr/core/src/test-files/solr/collection1/conf/enumsConfig.xml
file the 'Low' enum is the second value, so assuming counting from 0 it seems
the result is partially correct but there's number-to-enum-or-string conversion
issue of some sort.
{code}
org.apache.solr.TestGroupingSearch > testGroupingOnEnumField FAILED
java.lang.RuntimeException: mismatch: 'Low'!='1' @
grouped/severity/groups/[0]/groupValue
at
__randomizedtesting.SeedInfo.seed([1CB4CF096FC0E8DF:72EF51890205CFBF]:0)
at org.apache.solr.SolrTestCaseJ4.assertJQ(SolrTestCaseJ4.java:1113)
at org.apache.solr.SolrTestCaseJ4.assertJQ(SolrTestCaseJ4.java:1060)
at
org.apache.solr.TestGroupingSearch.testGroupingOnEnumField(TestGroupingSearch.java:1590)
{code}
> Grouping on EnumFieldType fields fails
> --------------------------------------
>
> Key: SOLR-16750
> URL: https://issues.apache.org/jira/browse/SOLR-16750
> Project: Solr
> Issue Type: Bug
> Components: Grouping
> Reporter: Tomas Eduardo Fernandez Lobbe
> Priority: Minor
> Labels: newdev
> Time Spent: 10m
> Remaining Estimate: 0h
>
> For single shard collections, Solr responds with the enum index instead of
> the value. For multi-shard collections, Solr returns a 500 because internally
> it gets a ClassCastException such as:
> {noformat}
> java.lang.ClassCastException: class org.apache.solr.common.EnumFieldValue
> cannot be cast to class java.lang.Integer
> {noformat}
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