Hi All, I have my own popularity value source class and I let solr know about it via solrconfig.xml
<valueSourceParser name="popularity" class="mysolr.sources.PopValueSourceParser" /> But then I get the following class cast exception I have tried to make sure there are no old Solr jar files in the classpath. Why would this be happening ? org.apache.solr.common.SolrException: Error Instantiating ValueSourceParser, mysolr.sources.PopValueSourceParser failed to instantiate org.apache.solr.search.ValueSourceParser at org.apache.solr.core.SolrCore.<init>(SolrCore.java:844) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:630) at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:562) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:597) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680) Caused by: org.apache.solr.common.SolrException: Error Instantiating ValueSourceParser, mysolr.sources.PopValueSourceParser failed to instantiate org.apache.solr.search.ValueSourceParser at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:552) at org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:587) at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2191) at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2185) at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2218) at org.apache.solr.core.SolrCore.initValueSourceParsers(SolrCore.java:2130) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:765) ... 13 more Caused by: java.lang.ClassCastException: class mysolr.sources.PopValueSourceParser at java.lang.Class.asSubclass(Class.java:3018) at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:454) at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:401) at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:531) ... 19 more MySolr[46778:5844 0] 2014/05/22 15:47:28 717.16 MB/4.09 GB ERROR org.apache.solr.core.CoreContainer - null:org.apache.solr.common.SolrException: Unable to create core: core1 at org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:989) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:606) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:258) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:250) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680)
