org.apache.solr.common.SolrException: Error Instantiating requestHandler, org.apache.solr.handler.dataimport.DataImportHandler failed to instantiate org.apache.solr.request.SolrRequestHandler

grokbase.com | 7 months ago
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Root Cause Analysis

  1. java.lang.ClassCastException

    class org.apache.solr.handler.dataimport.DataImportHandler

    at java.lang.Class.asSubclass()
  2. Java RT
    Class.asSubclass
    1. java.lang.Class.asSubclass(Class.java:3208)
    1 frame
  3. Apache Solr Core
    CoreContainer$1.call
    1. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:475)
    2. org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:422)
    3. org.apache.solr.core.SolrCore.createInstance(SolrCore.java:567)
    4. org.apache.solr.core.PluginBag.createPlugin(PluginBag.java:122)
    5. org.apache.solr.core.PluginBag.init(PluginBag.java:217)
    6. org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:130)
    7. org.apache.solr.core.SolrCore.<init>(SolrCore.java:773)
    8. org.apache.solr.core.SolrCore.<init>(SolrCore.java:659)
    9. org.apache.solr.core.CoreContainer.create(CoreContainer.java:727)
    10. org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:447)
    11. org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:438)
    11 frames
  4. Java RT
    FutureTask.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:262)
    1 frame
  5. Apache Solr Solrj
    ExecutorUtil$MDCAwareThreadPoolExecutor$1.run
    1. org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:210)
    1 frame
  6. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames