Christoph Strobl created SOLR-10384:
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             Summary: ClassCastException in SchemaResponse.setResponse
                 Key: SOLR-10384
                 URL: https://issues.apache.org/jira/browse/SOLR-10384
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: clients - java
    Affects Versions: 6.5
         Environment: Java version: 1.8.0_121
Default locale: de_DE, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.5"
            Reporter: Christoph Strobl


{{SchemaResponse}} does an unchecked cast to {{Map}} when reading _schema_ from 
{{NamedList}} on calling {{setResponse(NamedList)}}. Still the the actual value 
for _schema_ is a {{NamedList}} not implementing the {{Map}} interface.

The issue can be reproduced by simply calling:
{code:java}
new SchemaRequest().process(solrClient, collection).getSchemaRepresentation();
{code}

{noformat}
Caused by: java.lang.ClassCastException: org.apache.solr.common.util.NamedList 
cannot be cast to java.util.Map
        at 
org.apache.solr.client.solrj.response.schema.SchemaResponse.setResponse(SchemaResponse.java:252)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:160)
        at 
org.springframework.data.solr.core.schema.DefaultSchemaOperations$3.doInSolr(DefaultSchemaOperations.java:103)
        at 
org.springframework.data.solr.core.schema.DefaultSchemaOperations$3.doInSolr(DefaultSchemaOperations.java:94)
        at 
org.springframework.data.solr.core.SolrTemplate.execute(SolrTemplate.java:221)
        ... 45 more
{noformat}



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