I am using solr 5.3.1 On Jan 11, 2016 10:30 PM, "Joel Bernstein" <joels...@gmail.com> wrote:
> Which version of Solr are you using? > > Joel Bernstein > http://joelsolr.blogspot.com/ > > On Mon, Jan 11, 2016 at 6:39 AM, sara hajili <hajili.s...@gmail.com> > wrote: > > > hi all > > i have a MLT query and i wanna to use collapse filter query. > > and i wanna to use collapse expand nullPolicy. > > in this way when i used it : > > {!collapse field=original_post_id nullPolicy=expand} > > i got my appropriate result . > > (in solr web UI) > > > > but in regular search handler "/select",when i used > > {!collapse field=original_post_id nullPolicy=expand} > > i got error: > > > > { > > "responseHeader":{ > > "status":500, > > "QTime":2, > > "params":{ > > "q":"*:*", > > "indent":"true", > > "fq":"{!collapse field=original_post_id nullPolicy=expand}", > > "wt":"json"}}, > > "error":{ > > "trace":"java.lang.NullPointerException\n\tat > > > > > org.apache.solr.search.CollapsingQParserPlugin$IntScoreCollector.finish(CollapsingQParserPlugin.java:763)\n\tat > > > > > org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:211)\n\tat > > > > > org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1678)\n\tat > > > > > org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1497)\n\tat > > > > > org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:555)\n\tat > > > > > org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:522)\n\tat > > > > > org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:277)\n\tat > > > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)\n\tat > > org.apache.solr.core.SolrCore.execute(SolrCore.java:2068)\n\tat > > org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:669)\n\tat > > org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:462)\n\tat > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:214)\n\tat > > > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:179)\n\tat > > > > > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)\n\tat > > > > > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)\n\tat > > > > > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat > > > > > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)\n\tat > > > > > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)\n\tat > > > > > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)\n\tat > > > > > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)\n\tat > > > > > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat > > > > > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)\n\tat > > > > > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat > > > > > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)\n\tat > > > > > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)\n\tat > > > > > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)\n\tat > > org.eclipse.jetty.server.Server.handle(Server.java:499)\n\tat > > org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)\n\tat > > > > > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)\n\tat > > > > > org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)\n\tat > > > > > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)\n\tat > > > > > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)\n\tat > > java.lang.Thread.run(Thread.java:745)\n", > > "code":500}} > > > > > > but if i change nullpolicy to ignore or collapse > > > > no error happened. > > > > > > and i wondered when i used pysolr to create a more like this query > > > > i get above error again. > > > > so it seems nullpolicy=expand work me just in more like this query in > > solr web UI!!!! > > > > and my question is how to solve my problem to use nullpolicy=expand in > > pysolr? > > > > tnx > > >
