ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
异常详情如下Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoa
·
异常详情如下
Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481) ~[spring-core-5.3.9.jar:5.3.9]
at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) ~[spring-core-5.3.9.jar:5.3.9]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.buildLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:232) ~[spring-beans-5.3.9.jar:5.3.9]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.findLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:210) ~[spring-beans-5.3.9.jar:5.3.9]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(InitDestroyAnnotationBeanPostProcessor.java:149) ~[spring-beans-5.3.9.jar:5.3.9]
at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:294) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1098) ~[spring-beans-5.3.9.jar:5.3.9]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576) ~[spring-beans-5.3.9.jar:5.3.9]
... 30 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationBeanFactoryMetadata
at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_191]
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_191]
at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_191]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463) ~[spring-core-5.3.9.jar:5.3.9]
... 37 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_191]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_191]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_191]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_191]
... 41 common frames omitted
原因:
spring-boot-starter-parent 2.4.0版本以后去掉了ConfigurationBeanFactoryMetadata类,spring-cloud-starter-alibaba-nacos最新版本还是2.2.6.RELEASE,对应的spring-cloud-context版本是2.2.6.RELEASE,因此如果使用了spring-boot-starter-parent2.4.0以上的版本就会出现这个异常
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
<version>2.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
<version>2.2.6.RELEASE</version>
</dependency>
解决办法:
从老版本中把ConfigurationBeanFactoryMetadata类拷到项目中,这样就能解决启动报错
/*
* Copyright 2012-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.context.properties;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.core.annotation.AnnotationUtils;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
/**
* Utility class to memorize {@code @Bean} definition metadata during initialization of
* the bean factory.
*
* @author Dave Syer
* @since 1.1.0
* @deprecated since 2.2.0 for removal in 2.4.0 in favor of
* {@link ConfigurationPropertiesBean}
*/
@Deprecated
public class ConfigurationBeanFactoryMetadata implements ApplicationContextAware {
/**
* The bean name that this class is registered with.
*/
public static final String BEAN_NAME = ConfigurationBeanFactoryMetadata.class.getName();
private ConfigurableApplicationContext applicationContext;
public <A extends Annotation> Map<String, Object> getBeansWithFactoryAnnotation(Class<A> type) {
Map<String, Object> result = new HashMap<>();
for (String name : this.applicationContext.getBeanFactory().getBeanDefinitionNames()) {
if (findFactoryAnnotation(name, type) != null) {
result.put(name, this.applicationContext.getBean(name));
}
}
return result;
}
public <A extends Annotation> A findFactoryAnnotation(String beanName, Class<A> type) {
Method method = findFactoryMethod(beanName);
return (method != null) ? AnnotationUtils.findAnnotation(method, type) : null;
}
public Method findFactoryMethod(String beanName) {
ConfigurableListableBeanFactory beanFactory = this.applicationContext.getBeanFactory();
if (beanFactory.containsBeanDefinition(beanName)) {
BeanDefinition beanDefinition = beanFactory.getMergedBeanDefinition(beanName);
if (beanDefinition instanceof RootBeanDefinition) {
return ((RootBeanDefinition) beanDefinition).getResolvedFactoryMethod();
}
}
return null;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = (ConfigurableApplicationContext) applicationContext;
}
static void register(BeanDefinitionRegistry registry) {
if (!registry.containsBeanDefinition(BEAN_NAME)) {
GenericBeanDefinition definition = new GenericBeanDefinition();
definition.setBeanClass(ConfigurationBeanFactoryMetadata.class);
definition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
registry.registerBeanDefinition(ConfigurationBeanFactoryMetadata.BEAN_NAME, definition);
}
}
}
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