Gosh, obviously. see the clue https://github.com/apache/lucene-solr/blob/7d3dcd220f92f25a997cf1559a91b6d9e1b57c6d/solr/core/src/java/org/apache/solr/search/facet/FacetModule.java#L78
On Fri, Oct 4, 2019 at 10:47 PM Webster Homer < webster.ho...@milliporesigma.com> wrote: > Sometimes it comes back in the reply > "java.lang.ClassCastException: java.lang.String cannot be cast to > java.util.Map\n\tat > org.apache.solr.search.facet.FacetModule.prepare(FacetModule.java:78)\n\tat > org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:269)\n\tat > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)\n\tat > org.apache.solr.core.SolrCore.execute(SolrCore.java:2503)\n\tat > org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:710)\n\tat > org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)\n\tat > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)\n\tat > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)\n\tat > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751)\n\tat > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)\n\tat > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\n\tat > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)\n\tat > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)\n\tat > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)\n\tat > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\n\tat > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\n\tat > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat > org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)\n\tat > org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:169)\n\tat > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\n\tat > org.eclipse.jetty.server.Server.handle(Server.java:534)\n\tat > org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)\n\tat > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)\n\tat > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)\n\tat > org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)\n\tat > org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)\n\tat > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)\n\tat > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)\n\tat > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)\n\tat > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)\n\tat > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)\n\tat > java.lang.Thread.run(Thread.java:748)\n", > > -----Original Message----- > From: Mikhail Khludnev <m...@apache.org> > Sent: Friday, October 04, 2019 2:28 PM > To: solr-user <solr-user@lucene.apache.org> > Subject: Re: json.facet throws ClassCastException > > Hello, Webster. > > Have you managed to capture stacktrace? > > On Fri, Oct 4, 2019 at 8:24 PM Webster Homer < > webster.ho...@milliporesigma.com> wrote: > > > I'm trying to understand what is wrong with my query or collection. > > > > I have a functioning solr schema and collection. I'm running Solr 7.2 > > > > When I run with a facet.field it works, but if I change it to use a > > json.facet it throws a class cast exception. > > > > json.facet=prod:{type:terms,field:product,mincount:1,limit:8} > > > > java.lang.String cannot be cast to java.util.Map > > > > The product field is defined as > > <field name="product" type="lowercase" indexed="true" stored="true" /> > > > > And lowercase is defined as: > > <fieldType name="lowercase" class="solr.TextField" > > positionIncrementGap="100"> > > <analyzer> > > <tokenizer class="solr.KeywordTokenizerFactory"/> > > <filter class="solr.LowerCaseFilterFactory" /> > > </analyzer> > > </fieldType> > > > > I don't have enough information to understand what its complaining about. > > > > Thanks > > This message and any attachment are confidential and may be privileged > > or otherwise protected from disclosure. If you are not the intended > > recipient, you must not copy this message or attachment or disclose > > the contents to any other person. If you have received this > > transmission in error, please notify the sender immediately and delete > > the message and any attachment from your system. Merck KGaA, > > Darmstadt, Germany and any of its subsidiaries do not accept liability > > for any omissions or errors in this message which may arise as a > > result of E-Mail-transmission or for damages resulting from any > > unauthorized changes of the content of this message and any attachment > > thereto. 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Merck KGaA, Darmstadt, Germany and any of its > subsidiaries do not accept liability for any omissions or errors in this > message which may arise as a result of E-Mail-transmission or for damages > resulting from any unauthorized changes of the content of this message and > any attachment thereto. Merck KGaA, Darmstadt, Germany and any of its > subsidiaries do not guarantee that this message is free of viruses and does > not accept liability for any damages caused by any virus transmitted > therewith. Click http://www.merckgroup.com/disclaimer to access the > German, French, Spanish and Portuguese versions of this disclaimer. > -- Sincerely yours Mikhail Khludnev