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https://issues.apache.org/jira/browse/SOLR-7883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mikhail Khludnev updated SOLR-7883:
-----------------------------------
Fix Version/s: 9.1
> MoreLikeThis is incompatible with facets
> ----------------------------------------
>
> Key: SOLR-7883
> URL: https://issues.apache.org/jira/browse/SOLR-7883
> Project: Solr
> Issue Type: Bug
> Components: faceting, MoreLikeThis
> Affects Versions: 5.2.1
> Environment: Arch Linux / OpenJDK 7.u85_2.6.1-1
> Reporter: Thomas Seidl
> Assignee: Mikhail Khludnev
> Priority: Major
> Fix For: 9.1
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When using the {{MoreLikeThis}} request handler, it doesn't seem possible to
> also have facets. This worked in Solr 4, but seems to be broken now.
> Example:
> This works: {{?qt=mlt&q=id:item1&mlt.fl=content}}
> This doesn't: {{?qt=mlt&q=id:item1&mlt.fl=content&facet=true}}
> (Yes, you don't even need to specify any facet fields/ranges/queries. The
> {{q}} query just has to match an item.)
> While the latter will actually return the same result set as the former, the
> HTTP status is 500 and the following error included in the response:
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.solr.request.SimpleFacets.getHeatmapCounts(SimpleFacets.java:1753)
> at
> org.apache.solr.request.SimpleFacets.getFacetCounts(SimpleFacets.java:289)
> at
> org.apache.solr.handler.MoreLikeThisHandler.handleRequestBody(MoreLikeThisHandler.java:233)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2064)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:654)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:450)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:227)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:196)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:497)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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