it says "Either filter or filterList may be set in the QueryCommand, but not both." I am newbie of solr and have no idea of the exception. What's wrong with it? thank you.
java.lang.IllegalArgumentException: Either filter or filterList may be set in the QueryCommand, but not both. at org.apache.solr.search.SolrIndexSearcher$QueryCommand.setFilter(SolrIndexSearcher.java:1711) at org.apache.solr.search.SolrIndexSearcher.getDocListAndSet(SolrIndexSearcher.java:1286) at org.apache.solr.search.fieldcollapse.NonAdjacentDocumentCollapser.doQuery(NonAdjacentDocumentCollapser.java:205) at org.apache.solr.search.fieldcollapse.AbstractDocumentCollapser.executeCollapse(AbstractDocumentCollapser.java:246) at org.apache.solr.search.fieldcollapse.AbstractDocumentCollapser.collapse(AbstractDocumentCollapser.java:173) at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:174) at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:127) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:203) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Thread.java:619)