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https://issues.apache.org/jira/browse/SOLR-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13274308#comment-13274308
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Yonik Seeley commented on SOLR-2824:
------------------------------------
I just checked in a patch for the rewrite issue. Still need a patch to parse
the query in the correct core though.
> Cross-Core Join doesn't parse fields against joining schema
> -----------------------------------------------------------
>
> Key: SOLR-2824
> URL: https://issues.apache.org/jira/browse/SOLR-2824
> Project: Solr
> Issue Type: Bug
> Components: multicore, search
> Affects Versions: 4.0
> Reporter: Thijs Vonk
> Priority: Blocker
> Fix For: 4.0
>
> Attachments: SOLR-2824.patch
>
>
> I have two cores with 2 different schema's
> now I want to join between the 2 cores. where I filter on a field from one
> core that doesn't exist in the other core.
> core1: {childIds, name, id}, core2:{id, type, specials}
> I have the following query
> /core1/select?q=*:*&fq={!join from=id to=childIds
> fromIndex=core2}specials:1&fl=id,name
> I get this exception [1]
> Looking at the debugger I see that
> at
> org.apache.solr.search.JoinQParserPlugin$1.parse(JoinQParserPlugin.java:60)
> the parse is called for the filterquery on the main core (core1). Not the
> core of the 'fromIndex' (core2)
> [1]
> SEVERE: org.apache.solr.common.SolrException: undefined field specials
> at
> org.apache.solr.schema.IndexSchema.getDynamicFieldType(IndexSchema.java:1028)
> at
> org.apache.solr.schema.IndexSchema$SolrQueryAnalyzer.getWrappedAnalyzer(IndexSchema.java:335)
> at
> org.apache.lucene.analysis.AnalyzerWrapper.createComponents(AnalyzerWrapper.java:71)
> at org.apache.lucene.analysis.Analyzer.tokenStream(Analyzer.java:83)
> at
> org.apache.lucene.queryparser.classic.QueryParserBase.newFieldQuery(QueryParserBase.java:476)
> at
> org.apache.lucene.queryparser.classic.QueryParserBase.getFieldQuery(QueryParserBase.java:464)
> at
> org.apache.solr.search.SolrQueryParser.getFieldQuery(SolrQueryParser.java:134)
> at
> org.apache.lucene.queryparser.classic.QueryParserBase.handleBareTokenQuery(QueryParserBase.java:1052)
> at
> org.apache.lucene.queryparser.classic.QueryParser.Term(QueryParser.java:358)
> at
> org.apache.lucene.queryparser.classic.QueryParser.Clause(QueryParser.java:257)
> at
> org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:181)
> at
> org.apache.lucene.queryparser.classic.QueryParser.TopLevelQuery(QueryParser.java:170)
> at
> org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:118)
> at
> org.apache.solr.search.LuceneQParser.parse(LuceneQParserPlugin.java:74)
> at org.apache.solr.search.QParser.getQuery(QParser.java:143)
> at
> org.apache.solr.search.JoinQParserPlugin$1.parse(JoinQParserPlugin.java:60)
> at org.apache.solr.search.QParser.getQuery(QParser.java:143)
> at
> org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:138)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:180)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1452)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:353)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:248)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
> at java.lang.Thread.run(Thread.java:662)
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