You need a query string with the standard request handler. (dismax has q.alt)
Try q=*:*, if you are trying to get facets for all documents. And yes, a friendlier error message would be a good thing. Tom On Mon, Mar 15, 2010 at 9:03 AM, David Rühr <d...@marketing-factory.de> wrote: > Hi List. > > We have two Servers dev and live. > Dev is not our Problem but on live we see with the facet.prefix paramter - > if there is no q param - for suggest search this error: > > HTTP Status 500 - null java.lang.NullPointerException at > java.io.StringReader.<init>(StringReader.java:54) at > org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:197) at > org.apache.solr.search.LuceneQParser.parse(LuceneQParserPlugin.java:78) at > org.apache.solr.search.QParser.getQuery(QParser.java:137) at > org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:85) > at > org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:174) > at > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) > at org.apache.solr.core.SolrCore.execute(SolrCore.java:1313) at > org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:341) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:244) > 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:811) > > The Query looks like: > facet=on&facet.mincount=1&facet.limit=10&json.nl > =map&wt=json&rows=0&version=1.2&omitHeader=true&fl=content&start=0&q=&facet.prefix=mate&facet.field=content&fq=group:"0"+OR+group:"-2"+OR+group:"1"+OR+group:"11"+-group:"-1"&fq=language:0 > > When we add the q param f.e. q=material we have no error. > Anyone have the same error or can help? > > Thanks to all. > David >
