code: private CoreContainer createCoreContainerViaConstructor(String solrHomeDirectory, File solrXmlFile) {
  		Constructor<CoreContainer> constructor = ClassUtils.getConstructorIfAvailable(CoreContainer.class, String.class,
  				File.class);
  		return BeanUtils.instantiateClass(constructor, solrHomeDirectory, solrXmlFile);
  	}
docs: Create {@link CoreContainer} via its constructor (Solr 3.6.0 - 4.3.1)
  
  @param solrHomeDirectory
  @param solrXmlFile
  @return