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https://issues.apache.org/jira/browse/SOLR-13318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933427#comment-16933427
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Tiago Martinho de Barros commented on SOLR-13318:
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I experienced this issue in 7.7.1 and read in the changelog that it was fixed
in 8.1, so I tried the version 8.2 but I still have the same problem. Reading
the code, I found that the file {{NestableJsonFacet.java }}(which is part of
the patch) was not updated in the source code. It still has a cast to int. Is
there a reason for that? Or maybe it was an oversight?
> JsonFacetingResponse classes should record provide access to count fields as
> longs
> -----------------------------------------------------------------------------------
>
> Key: SOLR-13318
> URL: https://issues.apache.org/jira/browse/SOLR-13318
> Project: Solr
> Issue Type: Bug
> Components: SolrJ
> Affects Versions: 7.7.1
> Reporter: Jason Gerlowski
> Assignee: Jason Gerlowski
> Priority: Minor
> Fix For: 8.1
>
> Attachments: SOLR-13318-branch_8x.patch, SOLR-13318.patch,
> SOLR-13318.patch
>
>
> JsonFacetingResponse and its series of dependent classes hold a variety of
> count fields for bucket counts and various optional properties
> ({{allBuckets}}, {{numBuckets}}, etc.). Currently, some of the code that
> parses these values out of the originating NamedList either stores or casts
> the values as ints. When doc counts are low this works fine. But when the
> doc counts become larger and stray into "long" territory, SolrJ is liable to
> blow up with ClassCastExceptions.
> A user on the list reported on of these with the partial stack trace:
> {code}
> Caused by: java.lang.ClassCastException: java.lang.Long cannot be cast to
> java.lang.Integer
> at
> org.apache.solr.client.solrj.response.json.NestableJsonFacet.<init>(NestableJsonFacet.java:52)
> at
> org.apache.solr.client.solrj.response.QueryResponse.extractJsonFacetingInfo(QueryResponse.java:200)
> at
> org.apache.solr.client.solrj.response.QueryResponse.getJsonFacetingResponse(QueryResponse.java:571)
> {code}
> We should fix this so that these classes can be used without incident for any
> doc counts.
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