Configuring postgresql driver through Spring xml datasource : 

<bean id="myDataSource"

        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="org.postgresql.Driver" />
        <property name="url" value="jdbc:postgresql://localhost:5432/dbname" />
        <property name="username" value="postgres" />
        <property name="password" value="" />
        <!--<property name="socketTimeout" value="10"/>-->

        <property name="connectionProperties">
            <props>
                <prop key="socketTimeout">10</prop>
            </props>
        </property>
   </bean>