Blog ›Hazelcast Tip: Do not forget to shutdown hazelcast on context destroy?

By Enes Akar

Co-founder & CTO, Hazelcast Cloud

Enes was one of the early developers of Hazelcast. He joined the company in 2011 with a passion for making distributed computing incredible simple. From 2012 to 2017, he headed the engineering team as VP of Engineering. Since 2017, he has led the development of Hazelcast Cloud, which is enterprise-grade Hazelcast software as a fully managed service in the cloud. Prior to joining Hazelcast, Enes worked in software development and software engineering at telecommunications companies, including Alcatel-Lucent and Ericsson. He holds a Bachelor of Science in Computer Engineering and an MBA from Bogazici University, Istanbul.

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Sep 18, 2012

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Hazelcast Tip: Do not forget to shutdown hazelcast on context destroy?

If you use Hazelcast in a web application, you should shutdown Hazelcast instance on context destroy event.

Otherwise you may experience problem on undeploying/deploying the web container.

public class ContextListener  implements ServletContextListener {
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        }
        public void contextDestroyed(ServletContextEvent servletContextEvent) {
           yourHazelcastInstance.getLifecycleService().shutdown();
        }
    }

and web.xml

 <listener>
    <listener-class>com.hazelcast.twitshirt.ContextListener</listener-class>
    </listener>