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Spring Execute Method On Startup


I often want to use a startup event to seed data for tests, so in this case, I need the database connection to be setup. Using Spring Framework Events Under the scenario we want to do something on startup we have two events we can consider using. that's exactly what i want! –chrismarx May 18 '15 at 13:45 add a comment| 10 Answers 10 active oldest votes up vote 122 down vote accepted If by "application startup" you Home Forum Spring Projects Container This forum is now a read-only archive. check over here

I know that I can do the trick of setting a method with @Scheduled annotation and it executes just after the startup, but then it will execute periodically. The onApplicationEvent(..) method will be called during Spring's startup, and you can do whatever work you need there. share|improve this answer answered Jul 13 '11 at 19:33 cjstehno 6,00022043 Thank You, for you answer, i used the @PostConstruct annotation –storm_buster Jul 14 '11 at 0:12 package com.deadcoderising; import javax.servlet.ServletContextEvent; import javax.servlet.ServletContextListener; public class ExampleContextListener implements ServletContextListener { @Override public void contextInitialized(ServletContextEvent servletContextEvent) { System.out.println("Starting up!"); } @Override public void contextDestroyed(ServletContextEvent servletContextEvent) { System.out.println("Shutting down!"); } } http://stackoverflow.com/questions/2401489/execute-method-on-startup-in-spring

Spring Applicationlistener Example

Where CrunchifyServletExample is a class name and crunchify.com.tutorials is a package name. import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Component; @EnableScheduling @Component public class ScheduledTasks { private static final Logger LOGGER = LoggerFactory.getLogger(ScheduledTasks.class); private static boolean needToRunStartupMethod = true; @Scheduled(fixedRate = Browse other questions tagged java spring or ask your own question.

  • I ran into some issues with getting the event listeners setup properly in the Spring Boot Context.
  • Please chime in and share it as a comment.
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  • add a comment| 3 Answers 3 active oldest votes up vote 59 down vote accepted There's not necessarily a "best" way.

When deployed in an ApplicationContext, the afterPropertiesSet() method will be called when the bean is created. Home Start Here Courses Intro to Spring Spring Core Spring Core Adv Spring Dev Ops Spring MVC Spring Data JPA Spring Security Spring Integration Blog Spring Framework Careers Consulting About Contact In practice you will not use this event very often. Spring Contextrefreshedevent share|improve this answer answered Dec 10 '14 at 19:43 Dave Syer 29k47082 Any example of that?

share|improve this answer edited Dec 10 '16 at 0:03 answered Jul 29 '16 at 22:06 raspacorp 1,17321526 add a comment| up vote 3 down vote You can extend a class using Spring @postconstruct Learn More Get The Code I've committed the source code for this post to github. If you're using Spring Boot, you do have additional events to select from. http://stackoverflow.com/questions/6684451/executing-a-java-class-at-application-startup-using-spring-mvc You could for example inject a Spring Data Repository into your listener bean.

If you need to hook specifically into the context startup/shutdown, then you can implement the Lifecycle interface instead, but that's probably unnecessary. Spring Boot Lifecycle Events If you don't want to miss future posts, make sure to subscribe. This annotation was introduced in Servlet 3.0 and will make sure that the web application will find your ServletContextListener implementation. @WebListener public class ExampleContextListener implements ServletContextListener { // ... } Share Detect MS Windows Are the following topics usually in an introductory Complex Analysis class: Julia sets, Fatou sets, Mandelbrot set, etc?

Spring @postconstruct

Spring Core Events ContextRefreshedEvent This event is published whenever the Spring Context is started or refreshed. Taxiing with one engine: Is engine #1 always used or do they switch? Spring Applicationlistener Example Modify these values as per your need. Spring Application Context Load On Startup I have tried running a new thread but the @Autowired services have not been set at that point.

Why are copper cables round? check my blog Browse other questions tagged java spring spring-mvc or ask your own question. The Spring Boot user guide and samples have examples of using a CommandLineRunner (and the newer ApplicationRunner): docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/…‌. –Dave Syer Sep 24 '15 at 7:00 I found, that Lifecycle Over 14 million readers Get fresh content from Crunchify Top Tech Tutorials Simplest Hello World Spring MVC Tutorial and JDBC MySQL Tutorial NEW Start Embedded HTTP Jersey server during Java Application Spring Mvc Load On Startup

in the root package) and put your custom code inside the onApplicationEvent method. What is this blue thing in a photograph of a bright light? Not the answer you're looking for? this content About App ShahHello & Good Day from greater New York.

Bruteforcing a keypad lock Is the use of username/password in a mobile app needed? Spring Applicationreadyevent Check if Tomcat is already running and Kill command Filed UnderApache Tomcat Examples, Core Java and J2EE Tutorials and TipsTaggedapache tomcat, Apache Tomcat 7, Apache Tomcat 8, apache-tomcat, httpservlet, Is there An ApplicationPreparedEvent is sent just before the refresh is started, but after bean definitions have been loaded.

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Rent clothing in Frankfurt / Being warm without cold weather clothing undo a gzip recursively A few rebus puzzles Circular Array Rotation Why isn't the religion of R'hllor, The Lord of Is there a reason why similar or the same musical instruments would develop? This approach will not wait for spring beans to load. @PostConstruct public void init() { } share|improve this answer edited Apr 17 '14 at 16:32 atamanroman 6,40422761 answered Apr 14 '14 Spring Boot Postconstruct Step-1 Modify Web.xml file with below information.

No need for context listeners or odd schedulers. @SpringBootApplication public class DemoApplication { public static void main(String[] args) { ConfigurableApplicationContext app = SpringApplication.run(DemoApplication.class, args); MyBean myBean = (MyBean)app.getBean("myBean"); myBean.invokeMyEntryPoint(); } } Are the guns on a fighter jet fixed or can they be aimed? Why leave magical runes exposed? http://qaisoftware.com/on-startup/do-i-need-qttask-on-startup.html The ContextListener needs a spring bean to its work, but as i could not figure it out how to make spring inject into the listener I use following code to get

more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation When tomcat starts, all Servlet loads in web container and init method of Servlet loaded first. import org.springframework.context.ApplicationListener; import org.springframework.context.event.ContextRefreshedEvent; import org.springframework.stereotype.Component; @Component public class ApplicationStartup implements ApplicationListener { /** * This method is called during Spring's startup. * * @param event Event raised when an ApplicationContext If you don't want to miss future posts, make sure to subscribe or get updates by email Subscribe

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I frequently use this to setup expected data, or to create test data for integration / functional tests. I have a event fired property, which I initialize to false. Why catch block of base class is catching the exception when I am throwing object of derived class? I check to make sure the event fired is set to true, proving the bean did in fact get manipulated by the event listener.

Browse other questions tagged java spring tomcat spring-mvc or ask your own question. Keeping windshield ice-free without heater How to help reduce students' anxiety in an oral exam? Those needing community support and/or wanting to ask questions should refer to the Tag/Forum map, and to http://spring.io/questions for a curated list of stackoverflow tags that Pivotal engineers, and the community, Below is my application class.

I know this is a year old, but skaffman if you have anything you can post that would be much appreciated. –user4903 Jun 7 '11 at 1:50 1 The methods Can time travel make us rich through trading, and is this a problem? contextInitialized - Is triggered when the web application is starting the initialization.