CGLIB is required to process @Configuration classes. Either add CGLIB to the classpath or remove...

绝地灬酷狼 2023-06-25 10:28 2阅读 0赞

问题

使用 [Spring3 @Configuration][Spring3 _Configuration] 创建一个应用程序配置文件，如下图所示：

/**  
         * @Title: ConfigAnnotation.java
         * @Package com.acconsys.ids.config
         * @Description: TODO(用一句话描述该文件做什么)
         * @author 35725
         * @date 2019年12月28日 下午4:05:36 
         * @version V1.0  
         */
        
    package com.acconsys.ids.config;
    
    import org.springframework.context.annotation.ComponentScan;
    import org.springframework.context.annotation.Configuration;
    
    /**
         * @ClassName: ConfigAnnotation
         * @Description: TODO(这里用一句话描述这个类的作用)
         * @author 35725
         * @date 2019年12月28日
         *
         */
    
    @Configuration
    @ComponentScan("com.acconsys.ids.config")
    public class ConfigAnnotation {
    	
    	
    
    }

但是，运行时，它会出现以下错误信息：

INFO [main] - JSR-250 'javax.annotation.ManagedBean' found and supported for component scanning
     INFO [main] - JSR-330 'javax.inject.Named' annotation found and supported for component scanning
     INFO [main] - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@863941: startup date [Sat Dec 28 17:14:17 CST 2019]; root of context hierarchy
     INFO [main] - JSR-250 'javax.annotation.ManagedBean' found and supported for component scanning
     INFO [main] - JSR-330 'javax.inject.Named' annotation found and supported for component scanning
    Exception in thread "main" java.lang.IllegalStateException: CGLIB is required to process @Configuration classes. Either add CGLIB to the classpath or remove the following @Configuration bean definitions: [configAnnotation]
    	at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:327)
    	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanFactory(ConfigurationClassPostProcessor.java:222)
    	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686)
    	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:625)
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
    	at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:73)
    	at com.acconsys.ids.IdsApplication.main(IdsApplication.java:42)

## 解决 ##

要在 Spring3中 使用 @Configuration，需要手动包含CGLIB库，只是声明它的 Maven pom.xml 文件。

<dependency>
    		<groupId>cglib</groupId>
    		<artifactId>cglib</artifactId>
    		<version>2.2.2</version>
    	</dependency>

[Spring3 _Configuration]: mailto:Spring3@Configuration

CGLIB is required to process @Configuration classes. Either add CGLIB to the classpath or remove...

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