Arreglado conexion con postgreSQL

pom.xml

@@ -104,12 +104,7 @@
 		<dependency>
 		  <groupId>org.postgresql</groupId>
 		  <artifactId>postgresql</artifactId>
-			<version>42.2.5</version>
-		</dependency>
-		 <dependency>
-            <groupId>commons-dbcp</groupId>
-            <artifactId>commons-dbcp</artifactId>
-            <version>1.4</version>
+		  <version>9.4-1201-jdbc4</version>
 		</dependency>
 
 		<!-- extra -->

src/main/webapp/WEB-INF/applicationContext.xml

@@ -24,16 +24,22 @@
         <constructor-arg value="#{systemEnvironment['DATABASE_URL']}"/>
     </bean>
 
-    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
+    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
+        <property name="driverClassName">
+            <value>org.postgresql.Driver</value>
+        </property>
         <property name="url" value="#{ 'jdbc:postgresql://' + @dbUrl.getHost() + ':' + @dbUrl.getPort() + @dbUrl.getPath() }"/>
         <property name="username" value="#{ @dbUrl.getUserInfo().split(':')[0] }"/>
         <property name="password" value="#{ @dbUrl.getUserInfo().split(':')[1] }"/>
     </bean>	
     
     <bean id="entityManagerFactory"
-        class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
+        class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
         <property name="dataSource" ref="dataSource" />
         <property name="persistenceUnitName" value="jpaData"/>
+        <property name="jpaVendorAdapter">
+            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
+        </property>
     </bean>
 
     <bean id="transactionManager"