我正在关注有关如何使用 Spring 的 本 教程,并且根据提供的示例,我得到以下异常:
Exception in thread "main" java.lang.IllegalStateException: Cannot load configuration class: com.tutorialspoint.HelloWorldConfig
at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:378)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanFactory(ConfigurationClassPostProcessor.java:263)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:265)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:126)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:609)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:84)
at com.tutorialspoint.MainApp.main(MainApp.java:9)
Caused by: org.springframework.cglib.core.CodeGenerationException: java.lang.reflect.InvocationTargetException-->null
at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:237)
at org.springframework.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)
at org.springframework.cglib.proxy.Enhancer.createClass(Enhancer.java:317)
at org.springframework.context.annotation.ConfigurationClassEnhancer.createClass(ConfigurationClassEnhancer.java:128)
at org.springframework.context.annotation.ConfigurationClassEnhancer.enhance(ConfigurationClassEnhancer.java:100)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:368)
... 7 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:384)
at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:219)
... 12 more
Caused by: java.lang.SecurityException: class "com.tutorialspoint.HelloWorldConfig$$EnhancerBySpringCGLIB$$b5aece24"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:952)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:666)
at java.lang.ClassLoader.defineClass(ClassLoader.java:794)
... 18 more
我研究了我的问题并发现 了这个;有人也遇到过和我一样的问题,和保证ASM兼容CGLIB有关系。然而,我已经尝试过这个解决方案,但没有奏效,我什至使用了与提供的版本完全相同的版本(GBLIB 2.2.2 和 ASM 3.3.1)。
我需要做什么才能纠正这个问题?
为简单起见,这里是我使用的从提供的教程中提取的文件。
HelloWorldConfig.java
package com.tutorialspoint;
import org.springframework.context.annotation.*;
@Configuration
public class HelloWorldConfig {
@Bean
public HelloWorld helloWorld() {
return new HelloWorld();
}
}
你好世界.java
package com.tutorialspoint;
public class HelloWorld {
private String message;
public void setMessage(String message) {
this.message = message;
}
public void getMessage() {
System.out.println("Your Message : " + message);
}
}
主程序java
package com.tutorialspoint;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.*;
public class MainApp {
public static void main(String[] args) {
@SuppressWarnings("resource")
ApplicationContext ctx = new AnnotationConfigApplicationContext(
HelloWorldConfig.class);
HelloWorld helloWorld = ctx.getBean(HelloWorld.class);
helloWorld.setMessage("Hello World!");
helloWorld.getMessage();
}
}
另外说“但是我已经尝试过这个解决方案但它没有用”我的意思是返回了完全相同的错误。
原文由 Kurtiss 发布,翻译遵循 CC BY-SA 4.0 许可协议
我遇到了同样的问题,并意识到我在 POM.xml 中的 JRE 版本或与项目关联的默认版本未在类路径中设置。因此在 Preferences -> Installed JREs 下更新了相同的内容并运行了它工作的应用程序。