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https://issues.apache.org/jira/browse/SOLR-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14267497#comment-14267497
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Elran Dvir commented on SOLR-1782:
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Hi Patanachai,
I am using your patch for stats.facet for multivalue fields above Solr 4.8.
It works perfectly for most cases.
I found a case in which it doesn't work. When the field we facet on is a
numeric field but is not multivalue.
The code fails on:
if (topLevelSortedValues == null) {
topLevelSortedValues = FieldCache.DEFAULT.getTermsIndex(topLevelReader,
name);
and this the exception I get:
(SolrException.java:120) - null:java.lang.IllegalStateException: Type
mismatch:time was indexed as NUMERIC
at
org.apache.lucene.search.FieldCacheImpl.getTermsIndex(FieldCacheImpl.java:1161)
at
org.apache.lucene.search.FieldCacheImpl.getTermsIndex(FieldCacheImpl.java:1145)
at
org.apache.solr.handler.component.FieldFacetStats.facetTermNum(FieldFacetStats.java:152)
at
org.apache.solr.request.UnInvertedField.getStats(UnInvertedField.java:587)
at
org.apache.solr.handler.component.SimpleStats.getStatsFields(StatsComponent.java:514)
at
org.apache.solr.handler.component.StatsComponent.process(StatsComponent.java:64)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:218)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1953)
at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:774)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:370)
at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
at
org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:960)
at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1021)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
at
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.eclipse.jetty.io.nio.SslConnection.handle(SslConnection.java:196)
at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
at
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:804)
So which field cache should I be using for numeric field?
Thanks.
> stats.facet assumes FieldCache.StringIndex - fails horribly on multivalued
> fields
> ---------------------------------------------------------------------------------
>
> Key: SOLR-1782
> URL: https://issues.apache.org/jira/browse/SOLR-1782
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 1.4
> Environment: reproduced on Win2k3 using 1.5.0-dev solr ($Id:
> CHANGES.txt 906924 2010-02-05 12:43:11Z noble $)
> Reporter: Gerald DeConto
> Assignee: Hoss Man
> Attachments: SOLR-1782.2.patch, SOLR-1782.2013-01-07.patch,
> SOLR-1782.2013-04-10.patch, SOLR-1782.patch, SOLR-1782.patch,
> SOLR-1782.patch, SOLR-1782.solr-4.2.1.patch, SOLR-1782.test.patch, index.rar
>
>
> the StatsComponent assumes any field specified in the stats.facet param can
> be faceted using FieldCache.DEFAULT.getStringIndex. This can cause problems
> with a variety of field types, but in the case of multivalued fields it can
> either cause erroneous false stats when the number of distinct values is
> small, or it can cause ArrayIndexOutOfBoundsException when the number of
> distinct values is greater then the number of documents.
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