[
https://issues.apache.org/jira/browse/SOLR-16750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17810988#comment-17810988
]
Christine Poerschke commented on SOLR-16750:
--------------------------------------------
The
https://github.com/apache/solr/pull/1573/commits/7415d30f6d0b70b5fa158f375498d219327076f3
commit I just added on the https://github.com/apache/solr/pull/1573 branch
does a {{instanceof}} check before casting:
{code}
- mutableInt.value = (Integer) fieldType.toObject(field,
original.groupValue);
+ Object o = fieldType.toObject(field, original.groupValue);
+ if (o instanceof EnumFieldValue) mutableInt.value =
((EnumFieldValue) o).toInt();
+ else mutableInt.value = (Integer) o;
{code}
This then changes the distributed search test failure -- {{./gradlew -p
solr/core test --tests TestDistributedGrouping}} -- and note that this is quite
similar to the undistributed search test failure.
{code}
org.apache.solr.TestDistributedGrouping > test FAILED
java.lang.AssertionError: .grouped[severity].groups[1].groupValue:Low!=1
at
__randomizedtesting.SeedInfo.seed([8C4A06A9AE408116:41E397300BCECEE]:0)
at org.junit.Assert.fail(Assert.java:89)
at
org.apache.solr.BaseDistributedSearchTestCase.compareSolrResponses(BaseDistributedSearchTestCase.java:1075)
at
org.apache.solr.BaseDistributedSearchTestCase.compareResponses(BaseDistributedSearchTestCase.java:1105)
at
org.apache.solr.BaseDistributedSearchTestCase.query(BaseDistributedSearchTestCase.java:740)
at
org.apache.solr.BaseDistributedSearchTestCase.query(BaseDistributedSearchTestCase.java:718)
at
org.apache.solr.BaseDistributedSearchTestCase.query(BaseDistributedSearchTestCase.java:706)
at
org.apache.solr.TestDistributedGrouping.test(TestDistributedGrouping.java:790)
{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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