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https://issues.apache.org/jira/browse/SOLR-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomás Fernández Löbbe updated SOLR-2665:
----------------------------------------
Attachment: SOLR-2665.patch
Martijn, current patch breaks when the group field is not a String and there is
no specific sort. This is the stacktrace of the Exception:
java.lang.NullPointerException
at
org.apache.solr.search.Grouping$FunctionAllGroupHeadsCollector.<init>(Grouping.java:1156)
at
org.apache.solr.search.Grouping$CommandFunc.createAllGroupCollector(Grouping.java:920)
at org.apache.solr.search.Grouping.execute(Grouping.java:317)
at
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:376)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:194)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1401)
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)
I got to this exception by using Solr's example schema/data and this request:
http://localhost:8983/solr/select?q=*:*&group=true&group.field=popularity&facet.field=inStock&facet=true&group.after=true
I'm uploading a patch isolating this error and a fix.
Also, I don't know why, but the test case testGroupingSortByFunction with the
extra line you added on the previous patch
assertU(add(doc("id", "6", "value1_i", "1", "value2_i", "5", "store",
"45.18014,-93.87746")));
didn't run correctly for me, I'm not sure why should it run. I didn't touch
that line but that test doesn't run for me.
> Solr Post Group Faceting
> ------------------------
>
> Key: SOLR-2665
> URL: https://issues.apache.org/jira/browse/SOLR-2665
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 3.3
> Reporter: Bill Bell
> Assignee: Martijn van Groningen
> Fix For: 3.4, 4.0
>
> Attachments: SOLR-2665.patch, SOLR-2665.patch
>
>
> Once Lucene is wired, add this feature to Solr.
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