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I am using an XML configuration file that is loaded into my Java application using ApplicationContext. The XML configuration file resolves its properties by reading from several property files using PropertyPlaceholderConfigurer. I want to make each property file optional. I thought that this is done by setting ignoreUnresolsvablePlaceholders to true, however I am getting the following exception when I run the application (db-default.properties exists but db.properties does not): Exception in thread "main" org.springframework.beans.factory.BeanInitializationException: Could not load properties; nested exception is java.io.FileNotFoundException: class path resource [db.properties] cannot be opened because it does not exist This is what my XML configuration looks like: <?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:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <bean id="placeholder-configurer-1" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="order" value="1"/> <property name="ignoreUnresolvablePlaceholders" value="true"/> </bean> <bean id="placeholder-configurer-2" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="order" value="2"/> <property name="ignoreUnresolvablePlaceholders" value="true"/> <property name="location" value="classpath:/db-default.properties"/> </bean> <bean id="placeholder-configu

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