关于异常->java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via

本文深入分析了在使用Spring框架时遇到的非法状态异常,具体阐述了如何正确配置ApplicationContext来避免此类错误的发生。通过示例代码演示了错误配置导致的问题,并提供了修正方法。

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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:153)
 at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:880)
 at com.sust.web.action.buy.ajax.ModifyBuyNumberServlet.doPost(ModifyBuyNumberServlet.java:43)
 at com.sust.web.action.buy.ajax.ModifyBuyNumberServlet.doGet(ModifyBuyNumberServlet.java:33)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:112)
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
 at java.lang.Thread.run(Unknown Source)

 

 

这是个十分低级的错误 对我来说。

比如说在测试spring的时候,有如下代码

 

ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");

 

可是向我一样错写成如下....

ApplicationContext ctx = new ClassPathXmlApplicationContext();

 

就报错来了 ~

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