org.apache.solr.common.SolrException: Server at http://archive-it.org:8983/solr/ait returned non ok status:503, message:Service Unavailable
	at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:373)
	at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:182)
	at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:90)
	at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:324)
	at org.archive.archiveit.agora.service.search.SolrSearchServiceImpl.query(SolrSearchServiceImpl.java:69)
	at org.archive.archiveit.agora.service.search.SolrSearchServiceImpl.singleEntitySearch(SolrSearchServiceImpl.java:179)
	at org.archive.archiveit.agora.service.search.SolrSearchServiceImpl.rootEntitySearch(SolrSearchServiceImpl.java:93)
	at org.archive.archiveit.agora.service.search.SolrSearchServiceImpl.loadAndGetRootEntity(SolrSearchServiceImpl.java:78)
	at org.archive.archiveit.agora.controller.MetadataSearchController.loadRootEntity(MetadataSearchController.java:186)
	at org.archive.archiveit.agora.controller.MetadataSearchController.createFullView(MetadataSearchController.java:235)
	at org.archive.archiveit.agora.controller.MetadataSearchController.createModelAndView(MetadataSearchController.java:463)
	at org.archive.archiveit.agora.controller.SearchEngineController.getCollection(SearchEngineController.java:105)
	at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:574)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.archive.archiveit.agora.filter.DebugFilter.doFilter(DebugFilter.java:42)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	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:221)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)