CODEWITHSUNDEEP
java
hawarden_
hawarden_

Reputation: 2160

Java: execute method when .war file is deployed

I want to execute some methods as soon as the .war file is deployed by Tomcat or JBoss, how can I do it?

I tried ServletContextListener but it's not working. Thanks.

Upvotes: 0

Views: 1681

Answers (2)

hawarden_
hawarden_

Reputation: 2160

OK I resolved this, this works with JBoss:

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.ejb.Startup;
import javax.ejb.Singleton;

@Singleton
@Startup
public class InitializerEjb {

  @PostConstruct
  public void init() {
    SMTPServer smtp_server = SMTPServer.getInstance();
    smtp_server.start();
  }   
}

And this works with Tomcat:

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;

   @WebListener
    public class Initializer implements ServletContextListener {

    @Override
    public final void contextInitialized(final ServletContextEvent sce) {
            SMTPServer smtp_server = SMTPServer.getInstance();
            smtp_server.start();
}
}

Upvotes: 1

Guillaume Barré
Guillaume Barré

Reputation: 4218

Have you tried adding your methods in a Servlet and then run it on startup

In your Web.xml:

<servlet>
    <servlet-name>YourServlet</servlet-name>
    <servlet-class>com.your.domain.YourServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>

Upvotes: 3

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