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SampleBean:
package com.springexample; import javax.annotation.PostConstruct; import javax.annotation.PreDestroy; public class SampleBean { private BeanTypeOne beanOne; private BeanTypeTwo beanTwo; public void init() { System.out.println("This is from the init() method"); } @PostConstruct public void initAnnotation() { System.out.println("This is from the initAnnotation() method"); } and config file like this :
<bean id="SampleBean" class="com.springexample.SampleBean"> <property name="beanOne" ref="beanOneOne"></property> <property name="beanTwo" ref="beanTwoOne"></property> </bean> And I don't have default-init-method attribute set on the beans tag.
Can any body tell why the @PostConstruct method does not get called.
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Methods marked with the @PostConstruct will be invoked after the bean has been created, dependencies have been injected, all managed properties are set, and before the bean is actually set into scope.
2. @PostConstruct. Spring calls the methods annotated with @PostConstruct only once, just after the initialization of bean properties.
When we annotate a method in Spring Bean with @PostConstruct annotation, it gets executed after the spring bean is initialized. We can have only one method annotated with @PostConstruct annotation. This annotation is part of Common Annotations API and it's part of JDK module javax.
In jdk9 @PostConstruct and @PreDestroy are in java. xml. ws. annotation which is deprecated and scheduled for removal.
You need <context:annotation-config/> (or <context:component-scan/>) to enable @PostConstruct handling.
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