org.apache.solr.common.SolrException: Error Instantiating SearchComponent, org.my.solr.index.CustomQueryComponent failed to instantiate org.apache.solr.handler.component.SearchComponent

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Root Cause Analysis

  1. java.lang.ClassCastException

    class org.my.solr.index.CustomQueryComponent

    at java.lang.Class.asSubclass()
  2. Java RT
    Class.asSubclass
    1. java.lang.Class.asSubclass(Class.java:3116)
    1 frame
  3. Apache Solr Core
    CoreContainer$1.call
    1. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:433)
    2. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:381)
    3. org.apache.solr.core.SolrCore.createInstance(SolrCore.java:530)
    4. org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:586)
    5. org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2173)
    6. org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2167)
    7. org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2200)
    8. org.apache.solr.core.SolrCore.loadSearchComponents(SolrCore.java:1231)
    9. org.apache.solr.core.SolrCore.<init>(SolrCore.java:766)
    10. org.apache.solr.core.SolrCore.<init>(SolrCore.java:629)
    11. org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:622)
    12. org.apache.solr.core.CoreContainer.create(CoreContainer.java:657)
    13. org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:364)
    14. org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:356)
    14 frames
  4. Java RT
    Thread.run
    1. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    2. java.util.concurrent.FutureTask.run(FutureTask.java:166)
    3. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    4. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    5. java.util.concurrent.FutureTask.run(FutureTask.java:166)
    6. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    7. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    8. java.lang.Thread.run(Thread.java:724)
    8 frames