diff --git a/pom.xml b/pom.xml
index 2166330..a3b56ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,19 +10,19 @@
 	<packaging>war</packaging>
 
 	<name>arjion</name>
-	<description>Demo project of Apache Tika for Spring Boot</description>
+	<description>Demo project of Apache Tika for Spring Boot and ML</description>
 
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.3.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>1.8</java.version>
+		<java.version>11</java.version>
 	</properties>
 
 	<dependencies>
@@ -38,6 +38,11 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.elasticsearch.client</groupId>
+			<artifactId>x-pack-transport</artifactId>
+			<version>6.4.2</version>
+		</dependency>
 
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -45,38 +50,38 @@
 			<scope>test</scope>
 		</dependency>
 
-        <!-- https://mvnrepository.com/artifact/org.apache.tika/tika-app -->
-        <dependency>
-            <groupId>org.apache.tika</groupId>
-            <artifactId>tika-app</artifactId>
-            <version>1.18</version>
-        </dependency>
+		<!-- https://mvnrepository.com/artifact/org.apache.tika/tika-app -->
+		<dependency>
+			<groupId>org.apache.tika</groupId>
+			<artifactId>tika-app</artifactId>
+			<version>1.20</version>
+		</dependency>
 
-        <dependency>
-            <groupId>org.apache.tika</groupId>
-            <artifactId>tika-parsers</artifactId>
-            <version>1.18</version>
-        </dependency>
+		<dependency>
+			<groupId>org.apache.tika</groupId>
+			<artifactId>tika-parsers</artifactId>
+			<version>1.20</version>
+		</dependency>
 
-        <!-- https://mvnrepository.com/artifact/com.github.jai-imageio/jai-imageio-jpeg2000 -->
-        <dependency>
-            <groupId>com.github.jai-imageio</groupId>
-            <artifactId>jai-imageio-jpeg2000</artifactId>
-            <version>1.3.0</version>
-        </dependency>
+		<!-- https://mvnrepository.com/artifact/com.github.jai-imageio/jai-imageio-jpeg2000 -->
+		<dependency>
+			<groupId>com.github.jai-imageio</groupId>
+			<artifactId>jai-imageio-jpeg2000</artifactId>
+			<version>1.3.0</version>
+		</dependency>
 
-        <dependency>
-            <groupId>com.levigo.jbig2</groupId>
-            <artifactId>levigo-jbig2-imageio</artifactId>
-            <version>2.0</version>
-        </dependency>
+		<dependency>
+			<groupId>com.levigo.jbig2</groupId>
+			<artifactId>levigo-jbig2-imageio</artifactId>
+			<version>2.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>com.github.jai-imageio</groupId>
+			<artifactId>jai-imageio-core</artifactId>
+			<version>1.4.0</version>
+		</dependency>
 
-        <dependency>
-            <groupId>com.github.jai-imageio</groupId>
-            <artifactId>jai-imageio-core</artifactId>
-            <version>1.4.0</version>
-        </dependency>
-        
 		<dependency>
 			<groupId>org.webjars</groupId>
 			<artifactId>bootstrap</artifactId>
@@ -88,6 +93,17 @@
 			<version>3.1.1-1</version>
 		</dependency>
 
+		<dependency>
+			<groupId>org.nd4j</groupId>
+			<artifactId>nd4j-native-platform</artifactId>
+			<version>1.0.0-beta3</version>
+		</dependency>
+		<dependency>
+			<groupId>org.deeplearning4j</groupId>
+			<artifactId>deeplearning4j-core</artifactId>
+			<version>1.0.0-beta3</version>
+		</dependency>
+
 	</dependencies>
 
 	<build>
@@ -116,6 +132,17 @@
 				<enabled>false</enabled>
 			</snapshots>
 		</repository>
+		<!-- add the elastic repo -->
+		<repository>
+			<id>elastic</id>
+			<url>https://artifacts.elastic.co/maven</url>
+			<releases>
+				<enabled>true</enabled>
+			</releases>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
 	</repositories>
 
 	<pluginRepositories>
diff --git a/src/main/java/com/manalejandro/arjion/controllers/MainController.java b/src/main/java/com/manalejandro/arjion/controllers/MainController.java
index a15d62b..a12b8ef 100644
--- a/src/main/java/com/manalejandro/arjion/controllers/MainController.java
+++ b/src/main/java/com/manalejandro/arjion/controllers/MainController.java
@@ -10,7 +10,6 @@ import java.nio.file.Paths;
 import java.text.Normalizer;
 import java.util.HashMap;
 import java.util.Map;
-
 import javax.servlet.http.HttpServletResponse;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -88,13 +87,17 @@ public class MainController {
         if (archivos.length > 0) {
             // Recupera la configuración de Tika
             TikaConfig tikaConfig = TikaConfig.getDefaultConfig();
+            // Si no existe el directorio lo creamos
+            File fup = new File(uploadpath);
+            if(!fup.exists() || !fup.isDirectory()) {
+            	fup.mkdir();
+            }
             // Itera los archivos recibidos
             for (int i = 0; i < archivos.length; i++) {
                 byte[] bytes = archivos[i].getBytes();
                 // Normaliza el título de los archivos
                 String normalized = Normalizer.normalize(archivos[i].getOriginalFilename(), Normalizer.Form.NFD),
                         filename = normalized.replaceAll("\\p{InCombiningDiacriticalMarks}+", "");
-                Path path = Paths.get(uploadpath + filename);
                 // Instancias necesarias
                 Metadata metadata = new Metadata();
                 Parser parser = new AutoDetectParser(tikaConfig);
@@ -127,6 +130,7 @@ public class MainController {
                     return "exists";
                 } else {
                     // Guarda el archivo en el directorio configurado en las properties
+                    Path path = Paths.get(uploadpath + filename);
                     Files.write(path, bytes);
                 }
                 // Añade los parámetros al VO para mostrar en la vista
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index d57275f..6a7fc94 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -6,7 +6,7 @@ elasticsearch.port=9300
 elasticsearch.nodename=arjion
 arjion.indexName=documentos
 arjion.documentType=documento
-arjion.uploadpath=/upload/
+arjion.uploadpath=./upload/
 arjion.tesseractpath=/usr/bin
 arjion.tesseractdatapath=/usr/share/tesseract-ocr
 spring.main.allow-bean-definition-overriding=true
diff --git a/src/main/resources/elasticsearch/mapping.json b/src/main/resources/elasticsearch/mapping.json
index f5d5753..3ae45c7 100644
--- a/src/main/resources/elasticsearch/mapping.json
+++ b/src/main/resources/elasticsearch/mapping.json
@@ -2,10 +2,10 @@
     "documento": {
         "dynamic_templates": [
             {
-                "metadata_as_keywords": {
+                "metadata_as_dynamic": {
                     "path_match": "metadata.*",
                     "mapping": {
-                        "type": "keyword"
+                        "type": "{dynamic_type}"
                     }
                 }
             }