Cambia la forma de traer los recursos

package es.redmic.elasticsearchlib.common.repository;

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.lang.reflect.ParameterizedType;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import javax.annotation.PostConstruct;

import org.apache.commons.io.IOUtils;

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

import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;

import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;

import es.redmic.elasticsearchlib.common.utils.ElasticSearchUtils;

import es.redmic.elasticsearchlib.common.utils.IProcessItemFunction;

import es.redmic.elasticsearchlib.config.EsClientProvider;

import es.redmic.exception.custom.ResourceNotFoundException;

import es.redmic.exception.data.ItemNotFoundException;

import es.redmic.exception.databinding.RequestNotValidException;

import es.redmic.exception.elasticsearch.ESNotExistsIndexException;

		String source;

		try {

			File resource = new ClassPathResource("/mappings/" + index + "/" + type + ".json").getFile();

			InputStream resource = new ClassPathResource("/mappings/" + index + "/" + type + ".json").getInputStream();

			source = new String(Files.readAllBytes(resource.toPath()));

			source = IOUtils.toString(resource);

		} catch (IOException e) {

			throw new ESNotExistsIndexException(index);

			e.printStackTrace();

			throw new ResourceNotFoundException(e);

		}

		return request.source(source, XContentType.JSON);