Thanks for the report Ron, can you open a JIRA issue?
What version of Solr is this?

-Yonik
http://lucenerevolution.org Lucene/Solr Conference, Boston Oct 7-8


On Tue, Sep 7, 2010 at 8:31 PM, Ron Mayer <r...@0ape.com> wrote:
> Short summary:
>  * Mixing Facets and Shards give me a NullPointerException
>    when not all docs have all facets.
>  * Attached patch improves the failure mode, but still
>    spews errors in the log file
>  * Suggestions how to fix that would be appreciated.
>
>
> In my system, I tried separating out a couple similar but different
> types of documents into a couple different shards.
>
> Both shards have the identical schema; with the facets defined as a 
> dynamicfield:
>  <dynamicField name="*_facet"        type="string"     indexed="true"  
> stored="false" multiValued="true"  />
> Some facets only have documents with a value for them in the first shard,
> Other facets only have documents with a value for them in the second shard.
>
> When I try to do a query that asks for a facet.field that's only
> has values in the first shard, and for a different facet.field
> that only has values in the second shard, I'm getting this
> exception:
>
> Sep 7, 2010 4:55:38 PM org.apache.solr.common.SolrException log
> SEVERE: java.lang.NullPointerException
>        at 
> org.apache.solr.handler.component.FacetComponent.refineFacets(FacetComponent.java:340)
>        at 
> org.apache.solr.handler.component.FacetComponent.handleResponses(FacetComponent.java:232)
>        at 
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:301)
>        at 
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
>        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1323)
>        at 
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:337)
>        at 
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:240)
>        at 
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
>        at 
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
>        at 
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>        at 
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>        at 
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
>        at 
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
>        at 
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>        at 
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>        at 
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>        at org.mortbay.jetty.Server.handle(Server.java:326)
>        at 
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>        at 
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
>        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)
>
> I don't have a real simple test case yet; but could work on one if
> it'd make it easier to track down.    Also, I could post the schema
> and solrconfig if that'd help.
>
>
>
>
>
> The attached patch seems to mostly work for me; in that it's returning
> valid search results and at least some facet information, but with
> that patch I'm then getting this exception showing up:
>
> Sep 7, 2010 5:28:30 PM org.apache.solr.common.SolrException log
> SEVERE: Exception during facet 
> counts:org.apache.lucene.queryParser.ParseException: Expected identifier at 
> pos 20 str='{!terms=$involvement/race_facet__terms}involvement/race_facet'
>        at 
> org.apache.solr.search.QueryParsing$StrParser.getId(QueryParsing.java:718)
>        at 
> org.apache.solr.search.QueryParsing.parseLocalParams(QueryParsing.java:165)
>        at 
> org.apache.solr.search.QueryParsing.getLocalParams(QueryParsing.java:221)
>        at 
> org.apache.solr.request.SimpleFacets.parseParams(SimpleFacets.java:102)
>        at 
> org.apache.solr.request.SimpleFacets.getFacetFieldCounts(SimpleFacets.java:327)
>        at 
> org.apache.solr.request.SimpleFacets.getFacetCounts(SimpleFacets.java:188)
>        at 
> org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:72)
>        at 
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:206)
>        at 
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
>        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1323)
>        at 
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:337)
>        at 
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:240)
>        at 
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
>        at 
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
>        at 
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>        at 
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>        at 
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
>        at 
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
>        at 
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>        at 
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>        at 
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>        at org.mortbay.jetty.Server.handle(Server.java:326)
>        at 
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>        at 
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
>        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
>        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)
>
> but at first glance the results seem reasonable despite the error message.
>
> Any ideas?
>
>

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