hi
we use solr trunk nightly 4.0. We grouped our results with no problem. When
we try to clustering these with this
clustering?q=rose&group=true&group.field=site we get 500 error.
Problem accessing /solr/clustering. Reason:
null
java.lang.NullPointerException
at
org.apache.solr.handler.clustering.ClusteringComponent.process(ClusteringComponent.java:89)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:231)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:245)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1290)
at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:353)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:248)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
here solrconfig clustering part:
true
stc
true
title
url
content,url
true
false
dismax
explicit
0.01
content^0.5 anchor^1.0 title^1.2
content^0.5 anchor^1.5 title^1.2 site^1.5
recip(date,1,1000,1000)^0.3
2<-1 5<-2 6<90%
100
*:*
100
score
clustering
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