Soluciona problemas a la hora de obtener datos

package es.redmic.es.common.utils;

import java.io.BufferedReader;

/*-

 * #%L

 * ElasticSearch

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.nio.charset.Charset;

import java.nio.charset.StandardCharsets;

import java.lang.reflect.Field;

import java.util.Map;

import java.util.Map.Entry;

import org.apache.commons.io.FileUtils;

import org.apache.commons.io.IOUtils;

import org.apache.lucene.search.join.ScoreMode;

import org.elasticsearch.action.get.GetResponse;

	public static String getScriptFile(String mappingFilePath) {

		try {

			return FileUtils.readFileToString(new ClassPathResource(mappingFilePath).getFile(), StandardCharsets.UTF_8);

			InputStream resource = new ClassPathResource(mappingFilePath).getInputStream();

			return IOUtils.toString(resource, Charset.forName(StandardCharsets.UTF_8.name()));

		} catch (IOException e) {

			e.printStackTrace();

			throw new ResourceNotFoundException(e);

		super();

	}

	@SuppressWarnings({ "unchecked" })

	public List<String> getActivitiesBySpecies(String speciesId) {

		List<String> activities = new ArrayList<>();

		GeoSearchWrapper<Properties, Geometry> result =

			(GeoSearchWrapper<Properties, Geometry>) findBy(

				QueryBuilders.boolQuery().filter(filterBuilder),

				SortBuilders.fieldSort("properties.date").order(SortOrder.DESC),

				SortBuilders.fieldSort("properties.activityId").order(SortOrder.DESC),

				returnFields);

		if (result == null || result.getTotal() == 0)