public JettySolrRunner startJettySolrRunner(String hostContext,SortedMap<ServletHolder,String> extraServlets,SortedMap<Class,String> extraRequestFilters) throws Exception {
  String context=getHostContextSuitableForServletContext(hostContext);
  JettySolrRunner jetty=new JettySolrRunner(testDir.getAbsolutePath(),context,0,null,null,true,extraServlets,null,extraRequestFilters);
  jetty.start();
  jettys.add(jetty);
  return jetty;
}

public JettySolrRunner startJettySolrRunner ( String hostContext , SortedMap < ServletHolder , String > extraServlets , SortedMap < Class , String > extraRequestFilters ) throws Exception { String context = getHostContextSuitableForServletContext ( hostContext ) ; JettySolrRunner jetty = new JettySolrRunner ( testDir . getAbsolutePath ( ) , context , 0 , null , null , true , extraServlets , null , extraRequestFilters ) ; jetty . start ( ) ; jettys . add ( jetty ) ; return jetty ; }
start a new solr instance
