alfresco-community-repo/config/alfresco/spring/encrypted-properties-context.xml

<?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:util="http://www.springframework.org/schema/util"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd">


    <util:map id="encrypted-properties" >
        <!-- A dummy value -->
        <entry key="empty.enc" >
            <value>empty</value>
        </entry>
    </util:map>

</beans>