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https://issues.apache.org/jira/browse/SOLR-5709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13903626#comment-13903626
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Steve Rowe commented on SOLR-5709:
----------------------------------
Hi Rob,
bq. With this patch, you don't get AIOOB, but hit count and documents returned
do not match.
To which hit count are you referring?
The grouped document count reflects all matching documents, including
duplicated docs. Since the returned grouped docs include duplicates, this
seems correct to me: the reported count matches the set cardinality.
When highlighting and grouping, I don't see a hit count for the highlighted
docs -- I'm guessing it's the highlighted docs that you're referring to when
you say "actual documents returned".
Can you attach a response illustrating what you're talking about?
> Highlighting grouped duplicate docs from different shards with group.limit >
> 1 throws ArrayIndexOutOfBoundsException
> --------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-5709
> URL: https://issues.apache.org/jira/browse/SOLR-5709
> Project: Solr
> Issue Type: Bug
> Components: highlighter
> Affects Versions: 4.3, 4.4, 4.5, 4.6, 5.0
> Reporter: Steve Rowe
> Assignee: Steve Rowe
> Fix For: 4.7, 5.0
>
> Attachments: SOLR-5709.patch
>
>
> In a sharded (non-SolrCloud) deployment, if you index a document with the
> same unique key value into more than one shard, and then try to highlight
> grouped docs with more than one doc per group, where the grouped docs contain
> at least one duplicate doc pair, you get an AIOOBE.
> Here's the stack trace I got from such a situation, with 1 doc indexed into
> each shard in a 2-shard index, with {{group.limit=2}}:
> {noformat}
> ERROR null:java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.solr.handler.component.HighlightComponent.finishStage(HighlightComponent.java:185)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:328)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1916)
> at
> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:758)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:412)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:202)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
> at
> org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:136)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> at
> org.eclipse.jetty.server.handler.GzipHandler.handle(GzipHandler.java:301)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1077)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> at org.eclipse.jetty.server.Server.handle(Server.java:368)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004)
> at
> org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640)
> at
> org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> at
> org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
> 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:724)
> {noformat}
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