Question

I’m doing some test on a very, very simple application using Spring.

My app have only have one bean and I’m injecting a simple String to this class and printing this value. So far all working.

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What I need:

I want to get this String from a configuration file, so I create the file inside /src/main/resource

What I did:

1) On my application-context.xml I add:

<context:property-placeholder location="classpath:myConfigFile.properties" />

2) On my application-context.xml I change from the simple String to use ${name_test}:

<bean id="hello" class="com.dummy.SayHello">
    <property name="name" value="${name_test}" />
</bean>

3) I double check myConfigFile.properties and contains the “name_test=JackTheRipper”

4) But my output is not ‘translating’ the value from the config file, I have this output when I run my app:

Hello ${name_test}

And I’m stuck here, any clue, tips???

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Just FYI

• I use THIS tutorial for my tests, maybe could help.
• I add the log4j maven dependencies and log4j config file and all works fine! So Spring and log4j are finding the files inside “src/main/resource”
• I’m using maven, and to run my app, I’m using:

  mvn clean compile exec:java

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SOLUTION EXPLANATION:

The root cause was how I was getting the application-context.xml on my java class.

I was doing:

BeanFactory factory = new XmlBeanFactory(new ClassPathResource("application-context.xml"));

and then after this post I change it to:

ApplicationContext context = new ClassPathXmlApplicationContext("application-context.xml");

• A good place to understand and read is HERE
• Thanks all for the help!

Answer 1

The only problem I can imagine here is that you use BeanFactory instead of ApplicationContext. Compared to ApplicationContext, BeanFactory misses some advanced features including automatic registration of postprocessors, that is necessary for <context:property-placeholder>.