3323 [coreLoadExecutor-5-thread-3] ERROR org.apache.solr.core.CoreContainer  – null:org.apache.solr.common.SolrException: Unable to create core: events
	at org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:911)
	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:568)
	at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:261)
	at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:253)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	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:868)
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:643)
	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:556)
	... 8 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:787)
	... 10 more
Caused by: org.apache.solr.common.SolrException: Error loading class 'solr.handler.dataimport.DataImportHandler'
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:490)
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:421)
	at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:540)
	at org.apache.solr.core.SolrCore.createRequestHandler(SolrCore.java:613)
	at org.apache.solr.core.RequestHandlers.initHandlersFromConfig(RequestHandlers.java:153)
	... 11 more
Caused by: java.lang.ClassNotFoundException: solr.handler.dataimport.DataImportHandler
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:798)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:344)
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:474)
	... 15 more