Markus Jelsma created SOLR-12852: ------------------------------------ Summary: NPE in ClusteringComponent Key: SOLR-12852 URL: https://issues.apache.org/jira/browse/SOLR-12852 Project: Solr Issue Type: Bug Security Level: Public (Default Security Level. Issues are Public) Components: contrib - Clustering Affects Versions: 7.5 Reporter: Markus Jelsma Fix For: master (8.0)
Got this exception: {code} o.a.s.s.HttpSolrCall null:java.lang.NullPointerException at org.apache.solr.handler.clustering.ClusteringComponent.process(ClusteringComponent.java:234) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199) at org.apache.solr.core.SolrCore.execute(SolrCore.java:2541) at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:709) at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:515) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323) {code} with this config (copied from reference guide) {code} <searchComponent name="clustering" class="solr.clustering.ClusteringComponent"> <!-- Lingo clustering algorithm --> <lst name="engine"> <str name="name">lingo</str> <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str> </lst> <!-- An example definition for the STC clustering algorithm. --> <lst name="engine"> <str name="name">stc</str> <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str> </lst> </searchComponent> <requestHandler name="/clustering" class="solr.SearchHandler"> <lst name="defaults"> <bool name="clustering">true</bool> <bool name="clustering.results">true</bool> <!-- Logical field to physical field mapping. --> <str name="carrot.url">id</str> <str name="carrot.title">doctitle</str> <str name="carrot.snippet">content</str> <!-- Configure any other request handler parameters. We will cluster the top 100 search results so bump up the 'rows' parameter. --> <str name="rows">100</str> <str name="fl">*,score</str> </lst> <!-- Append clustering at the end of the list of search components. --> <arr name="last-components"> <str>clustering</str> </arr> </requestHandler> {code} using this query: http://localhost:8983/solr/collection/clustering?q=*:* All libraries are present, Solr no longer complains about missing classes, instead i got this. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org