On Tue, Jul 14, 2009 at 2:00 AM, Nick Dimiduk <ndimi...@gmail.com> wrote:
> However, when I search across all > deployed shards using the &shards= query parameter ( > > http://host00:8080/solr/select?shards=host00:8080/solr,host01:8080/solr&q=body > \%3A%3Aterm), > I get a NullPointerException: > > java.lang.NullPointerException > at > org.apache.solr.handler.component.QueryComponent.mergeIds(QueryComponent.java:421) > at > org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:265) > at > org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:264) > at > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) > at org.apache.solr.core.SolrCore.execute(SolrCore.java:1204) > at > org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:303) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:232) > > Debugging into the QueryComponent.mergeIds() method reveals the instance > sreq.responses (line 356) contains one response for each shard specified, > each with the number of results received by the independant queries. The > problems begin down at line 370 because the SolrDocument instance has only > a > score field -- which proves problematic in the following line where the id > is requested. The SolrDocument, only containing a score, lacks the > designated ID field (from my schema) and thus the document cannot be added > to the results queue. > > Because the example on the wiki works by loading the documents directly > into > Solr for indexing, I have come to the conclusion that there is some extra > magic happening in this index generation process which my process lacks. > Do you have a uniqueKey defined in your schema.xml? -- Regards, Shalin Shekhar Mangar.
