I recently started working with the clustering plugin on solr 4.
I assigned a requsthandler to clustering: /clustering and got the following
errors
lazy loading errororg.apache.solr.common.SolrException: lazy loading error
at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.getWrappedHandler(RequestHandlers.java:256)
at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:238)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1699) at
org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:455)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:276)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722) Caused by:
org.apache.solr.common.SolrException: Unknown Search Component: clustering
at org.apache.solr.core.SolrCore.getSearchComponent(SolrCore.java:1074) at
org.apache.solr.handler.component.SearchHandler.inform(SearchHandler.java:126)
at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.getWrappedHandler(RequestHandlers.java:251)
... 19 more 500
Find below my requesthandler and search component in solrconfig:
<searchComponent name="clustering"
enable="${solr.clustering.enabled:false}"
class="solr.clustering.ClusteringComponent" >
<lst name="engine">
<str name="name">default</str>
<str
name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
<str name="LingoClusteringAlgorithm.desiredClusterCountBase">20</str>
<str name="carrot.lexicalResourcesDir">clustering/carrot2</str>
<str name="MultilingualClustering.defaultLanguage">ENGLISH</str>
</lst>
<lst name="engine">
<str name="name">stc</str>
<str
name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
</lst>
<lst name="engine">
<str name="name">kmeans</str>
<str
name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
</lst>
</searchComponent>
<requestHandler name="/clustering" startup="lazy"
enable="${solr.clustering.enabled:true}"
class="solr.SearchHandler">
<lst name="defaults">
<bool name="clustering">true</bool>
<str name="clustering.engine">default</str>
<bool name="clustering.results">true</bool>
<str name="carrot.title">subTitle</str>
<str name="carrot.url">anchorUrl</str>
<str name="carrot.snippet">fullSpeechString</str>
<bool name="carrot.produceSummary">true</bool>
<bool name="carrot.outputSubClusters">false</bool>
<int name="carrot.numDescriptions">20</int>
</lst>
<arr name="last-components">
<str>clustering</str>
</arr>
</requestHandler>
Help please
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