JAVA高级面试进阶训练营视频教程

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严重: Exception sending context destroyed event to listener instance of class org.springframework.web.context.ContextLoaderListener
java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext
    at org.springframework.context.support.AbstractRefreshableApplicationContext.getBeanFactory(AbstractRefreshableApplicationContext.java:170)
    at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:921)
    at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:895)
    at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:841)
    at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:579)
    at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:115)
    at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:5165)
    at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5838)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:221)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:149)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1700)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1690)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)

情况1.

（链接：https://www.cnblogs.com/lomomiao/p/4269519.html）

正确写法：

cxt = new ClassPathXmlApplicationContext("beans.xml");

productService = (ProductService)cxt.getBean( "productTypeServiceBean" );