diff --git a/src/main/webapp/WEB-INF/applicationContext-hibernate.xml b/src/main/webapp/WEB-INF/applicationContext-hibernate.xml
index bfc166d..39a939a 100644
--- a/src/main/webapp/WEB-INF/applicationContext-hibernate.xml
+++ b/src/main/webapp/WEB-INF/applicationContext-hibernate.xml
@@ -6,10 +6,10 @@
 		xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
 		xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
 		xsi:schemaLocation="
-			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
-			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-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/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
+			http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
 
 	<!-- ========================= RESOURCE DEFINITIONS ========================= -->
 
@@ -22,10 +22,18 @@
 		for the required JAR files. Alternatively you can use another connection pool
 		such as C3P0, similarly configured using Spring.
 	-->
+	
+	<bean id="dataSource" class="org.springframework.samples.petclinic.config.DbcpDataSourceFactory"
+		p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" 
+		p:username="${jdbc.username}" p:password="${jdbc.password}" p:populate="${jdbc.populate}"
+		p:schemaLocation="${jdbc.schemaLocation}" p:dataLocation="${jdbc.dataLocation}"/>
+
+    <!-- DataSource configuration for Apache Commons DBCP. -->
+    <!--
 	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"
 			p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" p:username="${jdbc.username}"
 			p:password="${jdbc.password}"/>
-
+    -->
 	<!-- JNDI DataSource for JEE environments -->
 	<!--
 		<jee:jndi-lookup id="dataSource" jndi-name="java:comp/env/jdbc/petclinic"/>
diff --git a/src/main/webapp/WEB-INF/applicationContext-jdbc.xml b/src/main/webapp/WEB-INF/applicationContext-jdbc.xml
index 69a2b1f..e2b9bb4 100644
--- a/src/main/webapp/WEB-INF/applicationContext-jdbc.xml
+++ b/src/main/webapp/WEB-INF/applicationContext-jdbc.xml
@@ -7,11 +7,11 @@
 		xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee"
 		xmlns:tx="http://www.springframework.org/schema/tx"
 		xsi:schemaLocation="
-			http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
-			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
-			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-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/aop http://www.springframework.org/schema/aop/spring-aop.xsd
+			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
+			http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
 
 	<!-- ========================= RESOURCE DEFINITIONS ========================= -->
 
@@ -32,6 +32,12 @@
 			p:username="${jdbc.username}" p:password="${jdbc.password}" p:populate="${jdbc.populate}"
 			p:schemaLocation="${jdbc.schemaLocation}" p:dataLocation="${jdbc.dataLocation}"/>
 
+    <!-- DataSource configuration for Apache Commons DBCP. -->
+    <!--
+	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"
+			p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" p:username="${jdbc.username}"
+			p:password="${jdbc.password}"/>
+    -->
 	<!-- JNDI DataSource for JEE environments -->
 	<!--
 	<jee:jndi-lookup id="dataSource" jndi-name="java:comp/env/jdbc/petclinic"/>
diff --git a/src/main/webapp/WEB-INF/applicationContext-jpa.xml b/src/main/webapp/WEB-INF/applicationContext-jpa.xml
index 25374e9..5b2be5e 100644
--- a/src/main/webapp/WEB-INF/applicationContext-jpa.xml
+++ b/src/main/webapp/WEB-INF/applicationContext-jpa.xml
@@ -7,11 +7,11 @@
 		xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee"
 		xmlns:tx="http://www.springframework.org/schema/tx"
 		xsi:schemaLocation="
-			http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
-			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
-			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-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/aop http://www.springframework.org/schema/aop/spring-aop.xsd
+			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
+			http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
 
 	<!-- ========================= RESOURCE DEFINITIONS ========================= -->
 
@@ -27,14 +27,24 @@
 	<context:property-placeholder location="classpath:jdbc.properties"/>
 
 	<!--
-		Uses Apache Commons DBCP for connection pooling. See Commons DBCP documentation
-		for the required JAR files. Alternatively you can use another connection pool
-		such as C3P0, similarly configured using Spring.
+		Spring FactoryBean that creates a DataSource using Apache Commons DBCP for connection 
+		pooling. See Commons DBCP documentation for the required JAR files.  This factory bean
+		can populate the data source with a schema and data scripts if configured to do so.
+		
+		An alternate factory bean can be created for different connection pool implementations,
+		C3P0 for example.
 	-->
+	<bean id="dataSource" class="org.springframework.samples.petclinic.config.DbcpDataSourceFactory"
+			p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" 
+			p:username="${jdbc.username}" p:password="${jdbc.password}" p:populate="${jdbc.populate}"
+			p:schemaLocation="${jdbc.schemaLocation}" p:dataLocation="${jdbc.dataLocation}"/>
+
+    <!-- DataSource configuration for Apache Commons DBCP. -->
+    <!--
 	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"
 			p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" p:username="${jdbc.username}"
 			p:password="${jdbc.password}"/>
-
+    -->
 	<!-- JNDI DataSource for JEE environments -->
 	<!--
 	<jee:jndi-lookup id="dataSource" jndi-name="java:comp/env/jdbc/petclinic"/>
diff --git a/src/main/webapp/WEB-INF/petclinic-servlet.xml b/src/main/webapp/WEB-INF/petclinic-servlet.xml
index 3c05fc3..e55766a 100644
--- a/src/main/webapp/WEB-INF/petclinic-servlet.xml
+++ b/src/main/webapp/WEB-INF/petclinic-servlet.xml
@@ -5,8 +5,8 @@
 <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:context="http://www.springframework.org/schema/context"
 		xmlns:oxm="http://www.springframework.org/schema/oxm"
-		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
+		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
 				http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.0.xsd">
 
 	<!--