Example usage for org.springframework.beans.factory.config ConfigurableBeanFactory destroyScopedBean

Introduction

In this page you can find the example usage for org.springframework.beans.factory.config ConfigurableBeanFactory destroyScopedBean.

Prototype

void destroyScopedBean(String beanName);

Source Link

Document

Destroy the specified scoped bean in the current target scope, if any.

Usage

From source file:org.red5.server.war.RootContextLoaderServlet.java

/**
 * Clearing the in-memory configuration parameters, we will receive
 * notification that the servlet context is about to be shut down
 *//*from  w w w  .j  a  v a2  s .c  o m*/
@Override
public void contextDestroyed(ServletContextEvent sce) {
    synchronized (instance) {
        logger.info("Webapp shutdown");
        // XXX Paul: grabbed this from
        // http://opensource.atlassian.com/confluence/spring/display/DISC/Memory+leak+-+classloader+won%27t+let+go
        // in hopes that we can clear all the issues with J2EE containers
        // during shutdown
        try {
            ServletContext ctx = sce.getServletContext();
            // if the ctx being destroyed is root then kill the timer
            if (ctx.getContextPath().equals("/ROOT")) {
                timer.cancel();
            } else {
                // remove from registered list
                registeredContexts.remove(ctx);
            }
            // prepare spring for shutdown
            Introspector.flushCaches();
            // dereg any drivers
            for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements();) {
                Driver driver = (Driver) e.nextElement();
                if (driver.getClass().getClassLoader() == getClass().getClassLoader()) {
                    DriverManager.deregisterDriver(driver);
                }
            }
            // shutdown jmx
            JMXAgent.shutdown();
            // shutdown spring
            Object attr = ctx.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
            if (attr != null) {
                // get web application context from the servlet context
                ConfigurableWebApplicationContext applicationContext = (ConfigurableWebApplicationContext) attr;
                ConfigurableBeanFactory factory = applicationContext.getBeanFactory();
                // for (String scope : factory.getRegisteredScopeNames()) {
                // logger.debug("Registered scope: " + scope);
                // }
                try {
                    for (String singleton : factory.getSingletonNames()) {
                        logger.debug("Registered singleton: " + singleton);
                        factory.destroyScopedBean(singleton);
                    }
                } catch (RuntimeException e) {
                }
                factory.destroySingletons();

                ctx.removeAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
                applicationContext.close();
            }
            instance.getContextLoader().closeWebApplicationContext(ctx);
        } catch (Throwable e) {
            e.printStackTrace();
        } finally {
            // http://jakarta.apache.org/commons/logging/guide.html#Classloader_and_Memory_Management
            // http://wiki.apache.org/jakarta-commons/Logging/UndeployMemoryLeak?action=print
            LogFactory.release(Thread.currentThread().getContextClassLoader());
        }
    }
}

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From source file:org.red5.server.war.WarLoaderServlet.java

/**
 * Clearing the in-memory configuration parameters, we will receive
 * notification that the servlet context is about to be shut down
 *//*from  w w  w.  j  a v a  2s .  com*/
@Override
public void contextDestroyed(ServletContextEvent sce) {
    synchronized (servletContext) {
        logger.info("Webapp shutdown");
        // XXX Paul: grabbed this from
        // http://opensource.atlassian.com/confluence/spring/display/DISC/Memory+leak+-+classloader+won%27t+let+go
        // in hopes that we can clear all the issues with J2EE containers
        // during shutdown
        try {
            ServletContext ctx = sce.getServletContext();
            // prepare spring for shutdown
            Introspector.flushCaches();
            // dereg any drivers
            for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements();) {
                Driver driver = (Driver) e.nextElement();
                if (driver.getClass().getClassLoader() == getClass().getClassLoader()) {
                    DriverManager.deregisterDriver(driver);
                }
            }
            // shutdown jmx
            JMXAgent.shutdown();
            // shutdown the persistence thread
            FilePersistenceThread persistenceThread = FilePersistenceThread.getInstance();
            if (persistenceThread != null) {
                persistenceThread.shutdown();
            }
            // shutdown spring
            Object attr = ctx.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
            if (attr != null) {
                // get web application context from the servlet context
                ConfigurableWebApplicationContext applicationContext = (ConfigurableWebApplicationContext) attr;
                ConfigurableBeanFactory factory = applicationContext.getBeanFactory();
                // for (String scope : factory.getRegisteredScopeNames()) {
                // logger.debug("Registered scope: " + scope);
                // }
                try {
                    for (String singleton : factory.getSingletonNames()) {
                        logger.debug("Registered singleton: " + singleton);
                        factory.destroyScopedBean(singleton);
                    }
                } catch (RuntimeException e) {
                }
                factory.destroySingletons();
                ctx.removeAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
                applicationContext.close();
            }
            getContextLoader().closeWebApplicationContext(ctx);
            //            org.apache.commons.logging.LogFactory.releaseAll();
            //            org.apache.log4j.LogManager.getLoggerRepository().shutdown();
            //            org.apache.log4j.LogManager.shutdown();
        } catch (Throwable e) {
            e.printStackTrace();
        }
    }
}

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