defaultPlaceholderConfigurerValues

<bean id=“configurer1" class=“org.springframework.beans.factory.config.PropertyPlaceholderConfigurer”>
     <property name="location" value="file:${catalina.base}/conf/config1.properties"/>
     <property name="ignoreUnresolvablePlaceholders" value="true"/>
</bean>
 
<bean id=“configurer2" class=“org.springframework.beans.factory.config.PropertyPlaceholderConfigurer”>
     <property name="location" value="file:${catalina.base}/conf/config2.properties"/>
     <property name="ignoreUnresolvablePlaceholders" value="true"/>
</bean>
 
<bean id="attachmentClient" class="com.aj.commons.client.attachmentClient">
     <property name="declaredProp" value="${declaredPropVal:defaultValue1}"/>
     <property name="undeclaredProp" value="${undeclaredPropVal:defaultValue2}"/>
</bean>