Raised exception while starting the application. Fix the error and restart.

Message
java.lang.ClassCastException: org.geotools.data.shapefile.ShapefileFeatureSource cannot be cast to org.geotools.data.FeatureStore
Handler
org.fao.geonet.Geonetwork
Exception
java.lang.RuntimeException: java.lang.ClassCastException: org.geotools.data.shapefile.ShapefileFeatureSource cannot be cast to org.geotools.data.FeatureStore
Stack
java.lang.RuntimeException: java.lang.ClassCastException: org.geotools.data.shapefile.ShapefileFeatureSource cannot be cast to org.geotools.data.FeatureStore
	at org.fao.geonet.kernel.search.SearchManager$Spatial.createWriter(SearchManager.java:1615)
	at org.fao.geonet.kernel.search.SearchManager$Spatial.<init>(SearchManager.java:1596)
	at org.fao.geonet.kernel.search.SearchManager.initNonStaticData(SearchManager.java:507)
	at org.fao.geonet.kernel.search.SearchManager.init(SearchManager.java:488)
	at org.fao.geonet.Geonetwork.start(Geonetwork.java:299)
	at org.fao.geonet.Geonetwork.start(Geonetwork.java:117)
	at jeeves.server.JeevesEngine.initAppHandler(JeevesEngine.java:457)
	at jeeves.server.JeevesEngine.init(JeevesEngine.java:193)
	at jeeves.server.sources.http.JeevesServlet.init(JeevesServlet.java:80)
	at javax.servlet.GenericServlet.init(GenericServlet.java:158)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1164)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1117)
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1010)
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5264)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:690)
	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1889)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
	at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:583)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:473)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1618)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
	at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
	at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
	at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:265)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:772)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
Caused by: java.lang.ClassCastException: org.geotools.data.shapefile.ShapefileFeatureSource cannot be cast to org.geotools.data.FeatureStore
	at org.fao.geonet.kernel.search.spatial.SpatialIndexWriter.findSpatialIndexStore(SpatialIndexWriter.java:486)
	at org.fao.geonet.kernel.search.spatial.SpatialIndexWriter.createFeatureStore(SpatialIndexWriter.java:462)
	at org.fao.geonet.kernel.search.spatial.SpatialIndexWriter.<init>(SpatialIndexWriter.java:113)
	at org.fao.geonet.kernel.search.SearchManager$Spatial.createWriter(SearchManager.java:1610)
	... 53 more