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Upgrading to Spring 3.1

A few days ago I thought that it was about time to upgrade my sample code to Spring 3.1, after all it’s been around for a respectable amount of time and has a couple of bug fix releases.

Upgrading to Spring 3.1 is very simple of upgrading your Maven version number and rebuilding, something like this:


After recompiling you’ll probably find a whole bunch of newly deprecated classes such as XmlBeanFactory, which has been deprecated in favour of DefaultListableBeanFactory so,
    Resource resource = new ClassPathResource("example2.xml");
    return new XmlBeanFactory(resource);


    Resource resource = new ClassPathResource("example2.xml");

    DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
    BeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);

For a full list of deprecated classes http://static.springsource.org/spring/docs/3.1.x/javadoc-api/deprecated-list.html

The next thing to do is option, but a good idea is to change your Spring XML headers from 3.0 to 3.1 so that the XML schema’s referenced end in -3.1.xsd. For example:

http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd


http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd

The easiest way of doing this is to use eclipse’s global replace to replace to change -3.0.xsd with -3.1.xsd, but have a quick check first before your do this...

The reason for updating your schema’s is to take advantage of Spring’s new features, but more on that later...

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