CDI bean that goes up with the application

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Is there any way to start a CDI bean next to the application

I have the following bean:

@ApplicationScoped
@Named
public class MyBean implements Serializable {

    @Inject
    private Helper helper;

    @PostConstruct
    public void init() {
        helper.doThings();
    }

}

I would like it to be started together with the application, when it is deployed.

I’m using Weld-Servlet as the cdi implementation and tomcat7:

<dependency>
    <groupId>org.jboss.weld.servlet</groupId>
    <artifactId>weld-servlet</artifactId>
    <version>${weld-servlet.version}</version>
    <scope>compile</scope>
</dependency>
java tomcat cdi

  • @Startup? https://docs.oracle.com/javaee/6/api/javax/ejb/Startup.html

  • This Annotation is from EJB, I’m using only Tomcat 7 with cdi(Weld)

  • What version of CDI does the Weld container in question implement? From version 1.1 of CDI you can annotate a method to run during startup. Example: public void init(@Observes @Initialized(ApplicationScoped.class) Object init). This seems to work with Tomcat 7: https://docs.jboss.org/weld/reference/latest/en-US/html/environments.html#_Tomcat

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