Hi, Looks like you have different versions jars than solr.war ?
Ahmet On Tuesday, June 24, 2014 10:33 AM, atp <annamalai...@hcl.com> wrote: Hi, I'm getting below error while trying to access solrcloud , i tried with , added these two in to solrconfig.xml file <lib dir="../../../../contrib/dataimporthandler/lib/" regex=".*\.jar" /> <lib dir="../../../../dist/" regex="solr-dataimporthandler-.*\.jar" /> actual location is /opt/apps/prod/solr/dist here all the required below jars are available solr-4.8.1.war solr-map-reduce-4.8.1.jar solr-analysis-extras-4.8.1.jar solr-morphlines-cell-4.8.1.jar solr-cell-4.8.1.jar solr-morphlines-core-4.8.1.jar solr-clustering-4.8.1.jar solr-solrj-4.8.1.jar solr-core-4.8.1.jar solr-test-framework-4.8.1.jar solr-dataimporthandler-4.8.1.jar solr-uima-4.8.1.jar solr-dataimporthandler-extras-4.8.1.jar solr-velocity-4.8.1.jar solrj-lib test-framework solr-langid-4.8.1.jar but stil getting same issue , any help please HTTP Status 500 - {msg=SolrCore 'collection1' is not available due to init failure: RequestHandler init failure,trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: RequestHandler init failure at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:753) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:347) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.solr.common.SolrException: RequestHandler init failure at org.apache.solr.core.SolrCore.<init>(SolrCore.java:858) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:641) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:556) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:261) at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:253) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ... 1 more Caused by: org.apache.solr.common.SolrException: RequestHandler init failure at org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:167) at org.apache.solr.core.SolrCore.<init>(SolrCore.java:785) ... 10 more Caused by: org.apache.solr.common.SolrException: Error Instantiating Request Handler, solr.DataImportHandler failed to instantiate org.apache.solr.request.SolrRequestHandler at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:559) at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:611) at org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:153) ... 11 more Caused by: java.lang.ClassCastException: class org.apache.solr.handler.dataimport.DataImportHandler at java.lang.Class.asSubclass(Class.java:3165) at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:484) at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:421) at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:538) ... 13 more ,code=500} -- View this message in context: http://lucene.472066.n3.nabble.com/RequestHandler-init-failure-tp4143640.html Sent from the Solr - User mailing list archive at Nabble.com.