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https://issues.apache.org/jira/browse/SOLR-6709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392527#comment-14392527
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Simon Endele commented on SOLR-6709:
------------------------------------
Thank you guys very much for fixing/reviewing and happy Easter!
> ClassCastException in QueryResponse after applying XMLResponseParser on a
> response containing an "expanded" section
> -------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-6709
> URL: https://issues.apache.org/jira/browse/SOLR-6709
> Project: Solr
> Issue Type: Bug
> Components: SolrJ
> Reporter: Simon Endele
> Assignee: Varun Thacker
> Fix For: Trunk, 5.2
>
> Attachments: SOLR-6709.patch, SOLR-6709.patch, SOLR-6709.patch,
> test-response.xml
>
>
> Shouldn't the following code work on the attached input file?
> It matches the structure of a Solr response with wt=xml.
> {code}import java.io.InputStream;
> import org.apache.solr.client.solrj.ResponseParser;
> import org.apache.solr.client.solrj.impl.XMLResponseParser;
> import org.apache.solr.client.solrj.response.QueryResponse;
> import org.apache.solr.common.util.NamedList;
> import org.junit.Test;
> public class ParseXmlExpandedTest {
> @Test
> public void test() {
> ResponseParser responseParser = new XMLResponseParser();
> InputStream inStream = getClass()
> .getResourceAsStream("test-response.xml");
> NamedList<Object> response = responseParser
> .processResponse(inStream, "UTF-8");
> QueryResponse queryResponse = new QueryResponse(response, null);
> }
> }{code}
> Unexpectedly (for me), it throws a
> java.lang.ClassCastException: org.apache.solr.common.util.SimpleOrderedMap
> cannot be cast to java.util.Map
> at
> org.apache.solr.client.solrj.response.QueryResponse.setResponse(QueryResponse.java:126)
> Am I missing something, is XMLResponseParser deprecated or something?
> We use a setup like this to "mock" a QueryResponse for unit tests in our
> service that post-processes the Solr response.
> Obviously, it works with the javabin format which SolrJ uses internally.
> But that is no appropriate format for unit tests, where the response should
> be human readable.
> I think there's some conversion missing in QueryResponse or XMLResponseParser.
> Note: The null value supplied as SolrServer argument to the constructor of
> QueryResponse shouldn't have an effect as the error occurs before the
> parameter is even used.
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