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  • springboot下jar包方式运行Caused by: java.lang.ExceptionInInitializerError: null

    idea调试过程中不会出现此问题,异常如下

    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'apiNotificationController' defined in URL [jar:file:/E:/aiplatformService/web-0.3.jar!/BOOT-INF/classes!/com/xxx/web/open/controller/ApiNotificationController.class]: Instantiation of bean failed; nested exception is java.lang.ExceptionInInitializerError
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1236)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1135)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:541)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501)
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243)
        at com.xxx.web.WebApplication.main(WebApplication.java:40)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
        at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)
    Caused by: java.lang.ExceptionInInitializerError: null
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:170)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1228)
        ... 25 common frames omitted

    java代码如下:

    @Component
    public class SpringUtils implements ApplicationContextAware {
        private static ApplicationContext applicationContext = null;
    
        @Override
        public void setApplicationContext(ApplicationContext applicationContext) {
            if (SpringUtils.applicationContext == null) {
                SpringUtils.applicationContext = applicationContext;
            }
        }
    
        // 获取applicationContext
        public static ApplicationContext getApplicationContext() {
            return applicationContext;
        }
    
        // 通过name获取 Bean.
        public static Object getBean(String name) {
            return getApplicationContext().getBean(name);
        }
    
        // 通过class获取Bean.
        public static <T> T getBean(Class<T> clazz) {
            return getApplicationContext().getBean(clazz);
        }
    
        // 通过name,以及Clazz返回指定的Bean
        public static <T> T getBean(String name, Class<T> clazz) {
            return getApplicationContext().getBean(name, clazz);
        }
    
    }

    解决方法:

    所有调用SpringUtils.getBean的地方换成以下代码:

    @Autowired
    ApplicationContext context;
    
     @PostConstruct
        public void init()
        {
            DictService dictService = context.getBean(DictService.class);
            dictAll = dictService.findAll();
        }

    参考来源:https://stackoverflow.com/questions/34088780/how-to-get-bean-using-application-context-in-spring-boot

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  • 原文地址:https://www.cnblogs.com/passedbylove/p/11798904.html
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