diff --git a/navalplanner-webapp/pom.xml b/navalplanner-webapp/pom.xml
index 2ea80ae21..c6c4f1da6 100644
--- a/navalplanner-webapp/pom.xml
+++ b/navalplanner-webapp/pom.xml
@@ -55,6 +55,10 @@
             <groupId>commons-fileupload</groupId>
             <artifactId>commons-fileupload</artifactId>
         </dependency>
+        <dependency>
+        	<groupId>org.navalplanner</groupId>
+        	<artifactId>navalplanner-business</artifactId>        	
+        </dependency>
     </dependencies>
     
 </project>
diff --git a/navalplanner-webapp/src/main/resources/navalplanner-webapp-spring-config.xml b/navalplanner-webapp/src/main/resources/navalplanner-webapp-spring-config.xml
new file mode 100644
index 000000000..67c2e2d4d
--- /dev/null
+++ b/navalplanner-webapp/src/main/resources/navalplanner-webapp-spring-config.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:p="http://www.springframework.org/schema/p"
+    xmlns:tx="http://www.springframework.org/schema/tx"
+    xmlns:context="http://www.springframework.org/schema/context"
+    xsi:schemaLocation="
+    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
+    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
+    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">    
+        
+    <!-- For enabling annotation-based configuration (in particular, required 
+         for "@Autowired") -->
+    <context:annotation-config/>        
+</beans>
\ No newline at end of file
diff --git a/navalplanner-webapp/src/main/webapp/WEB-INF/web.xml b/navalplanner-webapp/src/main/webapp/WEB-INF/web.xml
index 4455cc7bf..1afadf4db 100644
--- a/navalplanner-webapp/src/main/webapp/WEB-INF/web.xml
+++ b/navalplanner-webapp/src/main/webapp/WEB-INF/web.xml
@@ -1,12 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app id="WebApp_ID" version="2.4" 
-  xmlns="http://java.sun.com/xml/ns/j2ee" 
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
-  xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
+<web-app id="WebApp_ID" version="2.4"
+    xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
-    <display-name>
-    helloworld</display-name>
-    
+    <display-name>helloworld</display-name>
+
+    <!-- It searches all navalplanner-business-spring-config.xml files, it can found several. There must be at least one.
+         It searches navalplanner-webapp-spring-config.xml. There must be just one.
+         It searches navalplanner-override-spring-config.xml to override some previous definitions. There could be several or none.
+     -->
+    <context-param>
+        <param-name>contextConfigLocation</param-name>
+        <param-value>classpath*:/navalplanner-business-spring-config.xml classpath:/navalplanner-webapp-spring-config.xml classpath*:/navalplanner-override-spring-config.xml</param-value>
+    </context-param>
+
+
     <!-- /// -->
     <!-- DSP -->
     <servlet>
@@ -27,13 +35,29 @@
         <display-name>ZK Session Cleaner</display-name>
         <listener-class>org.zkoss.zk.ui.http.HttpSessionListener</listener-class>
     </listener>
+    
+    <!-- Spring listeners -->
+
+    <listener>
+        <listener-class>
+            org.springframework.web.context.ContextLoaderListener</listener-class>
+    </listener>
+
+    <listener>
+        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
+    </listener>
+    
+    <!-- end Spring listeners -->
+    
     <servlet>
         <description>ZK loader for ZUML pages</description>
         <servlet-name>zkLoader</servlet-name>
         <servlet-class>org.zkoss.zk.ui.http.DHtmlLayoutServlet</servlet-class>
-        <!-- Must. Specifies URI of the update engine (DHtmlUpdateServlet).
-    It must be the same as <url-pattern> for the update engine.
-    -->
+        <!--
+            Must. Specifies URI of the update engine
+            (DHtmlUpdateServlet). It must be the same as <url-pattern>
+            for the update engine.
+        -->
         <init-param>
             <param-name>update-uri</param-name>
             <param-value>/zkau</param-value>
@@ -58,10 +82,10 @@
         <url-pattern>/zkau/*</url-pattern>
     </servlet-mapping>
     <!-- //// -->
-  
+
     <welcome-file-list>
-        
+
         <welcome-file>myhello.zul</welcome-file>
-        
+
     </welcome-file-list>
 </web-app>
\ No newline at end of file