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springboot升级到2.6.x和2.7.x 兼容hystrix
2024-01-22 14:51:46基础资料围观324次
本篇文章分享springboot升级到2.6.x和2.7.x 兼容hystrix，对你有帮助的话记得收藏一下，看Java资料网收获更多编程知识
一、pom.xml需要引入的依赖
1 <!-- springboot升级到2.6.7，同样适用于2.7.0，2.7.18等 --> 2 <parent> 3 <groupId>org.springframework.boot</groupId> 4 <artifactId>spring-boot-starter-parent</artifactId> 5 <version>2.6.7</version> 6 <relativePath/> <!-- lookup parent from repository --> 7 </parent> 8 9 <!-- hystrix需要升级到2.x以上版本 --> 10 <dependency> 11 <groupId>org.springframework.cloud</groupId> 12 <artifactId>spring-cloud-starter-netflix-hystrix</artifactId> 13 <version>2.2.10.RELEASE</version> 14 </dependency> 15 16 <!-- 升级后运行时缺失依赖 --> 17 <dependency> 18 <groupId>org.hdrhistogram</groupId> 19 <artifactId>HdrHistogram</artifactId> 20 <version>2.1.12</version> 21 </dependency>
二、项目开启熔断器开关
2.1 注解方式
@EnableHystrix
@EnableCircuitBreaker
注：项目启动类中加上以上注解，以上两者取其一即可；
2.2 xml方式
以上注解方式底层就是实例化此类：
三、依赖类缺失问题
此时运行项目将报以下错误：
D:\JDK\jdk1.8\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:55698,suspend=y,server=n -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -javaagent:C:\Users\mingming.chen\AppData\Local\JetBrains\IntelliJIdea2021.3\captureAgent\debugger-agent.jar -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=UTF-8 -classpath "D:\JDK\jdk1.8\jre\lib\charsets.jar;D:\JDK\jdk1.8\jre\lib\deploy.jar;D:\JDK\jdk1.8\jre\lib\ext\access-bridge-64.jar;D:\JDK\jdk1.8\jre\lib\ext\cldrdata.jar;D:\JDK\jdk1.8\jre\lib\ext\dnsns.jar;D:\JDK\jdk1.8\jre\lib\ext\jaccess.jar;D:\JDK\jdk1.8\jre\lib\ext\jfxrt.jar;D:\JDK\jdk1.8\jre\lib\ext\localedata.jar;D:\JDK\jdk1.8\jre\lib\ext\nashorn.jar;D:\JDK\jdk1.8\jre\lib\ext\sunec.jar;D:\JDK\jdk1.8\jre\lib\ext\sunjce_provider.jar;D:\JDK\jdk1.8\jre\lib\ext\sunmscapi.jar;D:\JDK\jdk1.8\jre\lib\ext\sunpkcs11.jar;D:\JDK\jdk1.8\jre\lib\ext\zipfs.jar;D:\JDK\jdk1.8\jre\lib\javaws.jar;D:\JDK\jdk1.8\jre\lib\jce.jar;D:\JDK\jdk1.8\jre\lib\jfr.jar;D:\JDK\jdk1.8\jre\lib\jfxswt.jar;D:\JDK\jdk1.8\jre\lib\jsse.jar;D:\JDK\jdk1.8\jre\lib\management-agent.jar;D:\JDK\jdk1.8\jre\lib\plugin.jar;D:\JDK\jdk1.8\jre\lib\resources.jar;D:\JDK\jdk1.8\jre\lib\rt.jar;D:\LocalReposition\oherproject\testProject\PersonalAssistant\target\classes;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-starter\2.6.7\spring-boot-starter-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot\2.6.7\spring-boot-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\spring-context\5.3.19\spring-context-5.3.19.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-autoconfigure\2.6.7\spring-boot-autoconfigure-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-starter-logging\2.6.7\spring-boot-starter-logging-2.6.7.jar;D:\MAVEN\MavenRepository\ch\qos\logback\logback-classic\1.2.11\logback-classic-1.2.11.jar;D:\MAVEN\MavenRepository\ch\qos\logback\logback-core\1.2.11\logback-core-1.2.11.jar;D:\MAVEN\MavenRepository\org\apache\logging\log4j\log4j-to-slf4j\2.17.2\log4j-to-slf4j-2.17.2.jar;D:\MAVEN\MavenRepository\org\slf4j\jul-to-slf4j\1.7.36\jul-to-slf4j-1.7.36.jar;D:\MAVEN\MavenRepository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;D:\MAVEN\MavenRepository\org\springframework\spring-core\5.3.19\spring-core-5.3.19.jar;D:\MAVEN\MavenRepository\org\springframework\spring-jcl\5.3.19\spring-jcl-5.3.19.jar;D:\MAVEN\MavenRepository\org\yaml\snakeyaml\1.29\snakeyaml-1.29.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-starter-test\2.6.7\spring-boot-starter-test-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-test\2.6.7\spring-boot-test-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-test-autoconfigure\2.6.7\spring-boot-test-autoconfigure-2.6.7.jar;D:\MAVEN\MavenRepository\com\jayway\jsonpath\json-path\2.6.0\json-path-2.6.0.jar;D:\MAVEN\MavenRepository\net\minidev\json-smart\2.4.8\json-smart-2.4.8.jar;D:\MAVEN\MavenRepository\net\minidev\accessors-smart\2.4.8\accessors-smart-2.4.8.jar;D:\MAVEN\MavenRepository\jakarta\xml\bind\jakarta.xml.bind-api\2.3.3\jakarta.xml.bind-api-2.3.3.jar;D:\MAVEN\MavenRepository\jakarta\activation\jakarta.activation-api\1.2.2\jakarta.activation-api-1.2.2.jar;D:\MAVEN\MavenRepository\org\assertj\assertj-core\3.21.0\assertj-core-3.21.0.jar;D:\MAVEN\MavenRepository\org\hamcrest\hamcrest\2.2\hamcrest-2.2.jar;D:\MAVEN\MavenRepository\org\junit\jupiter\junit-jupiter\5.8.2\junit-jupiter-5.8.2.jar;D:\MAVEN\MavenRepository\org\junit\jupiter\junit-jupiter-api\5.8.2\junit-jupiter-api-5.8.2.jar;D:\MAVEN\MavenRepository\org\opentest4j\opentest4j\1.2.0\opentest4j-1.2.0.jar;D:\MAVEN\MavenRepository\org\junit\platform\junit-platform-commons\1.8.2\junit-platform-commons-1.8.2.jar;D:\MAVEN\MavenRepository\org\apiguardian\apiguardian-api\1.1.2\apiguardian-api-1.1.2.jar;D:\MAVEN\MavenRepository\org\junit\jupiter\junit-jupiter-params\5.8.2\junit-jupiter-params-5.8.2.jar;D:\MAVEN\MavenRepository\org\junit\jupiter\junit-jupiter-engine\5.8.2\junit-jupiter-engine-5.8.2.jar;D:\MAVEN\MavenRepository\org\junit\platform\junit-platform-engine\1.8.2\junit-platform-engine-1.8.2.jar;D:\MAVEN\MavenRepository\org\mockito\mockito-core\4.0.0\mockito-core-4.0.0.jar;D:\MAVEN\MavenRepository\net\bytebuddy\byte-buddy\1.11.22\byte-buddy-1.11.22.jar;D:\MAVEN\MavenRepository\net\bytebuddy\byte-buddy-agent\1.11.22\byte-buddy-agent-1.11.22.jar;D:\MAVEN\MavenRepository\org\objenesis\objenesis\3.2\objenesis-3.2.jar;D:\MAVEN\MavenRepository\org\mockito\mockito-junit-jupiter\4.0.0\mockito-junit-jupiter-4.0.0.jar;D:\MAVEN\MavenRepository\org\skyscreamer\jsonassert\1.5.0\jsonassert-1.5.0.jar;D:\MAVEN\MavenRepository\com\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;D:\MAVEN\MavenRepository\org\springframework\spring-test\5.3.19\spring-test-5.3.19.jar;D:\MAVEN\MavenRepository\org\xmlunit\xmlunit-core\2.8.4\xmlunit-core-2.8.4.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-starter-web\2.6.7\spring-boot-starter-web-2.6.7.jar;D:\MAVEN\MavenRepository\org\springframework\boot\spring-boot-starter-json\2.6.7\spring-boot-starter-json-2.6.7.jar;D:\MAVEN\MavenRepository\com\fasterxml\jackson\core\jackson-databind\2.13.2.1\jackson-databind-2.13.2.1.jar;D:\MAVEN\MavenRepository\com\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IDEA 2021.3\lib\idea_rt.jar" com.example.springbootdame.PersonalAssistantApplication Connected to the target VM, address: '127.0.0.1:55698', transport: 'socket' 2024-01-16 15:44:01.575 [al-service] [main] WARN [org.springframework.context.annotation.AnnotationConfigApplicationContext] -Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'configurationPropertiesBeans' defined in class path resource [org/springframework/cloud/autoconfigure/ConfigurationPropertiesRebinderAutoConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] 2024-01-16 15:44:01.581 [al-service] [main] INFO [org.springframework.boot.autoconfigure.logging.ConditionEvaluationReportLoggingListener] - Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2024-01-16 15:44:01.603 [al-service] [main] ERROR [org.springframework.boot.SpringApplication] -Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'configurationPropertiesBeans' defined in class path resource [org/springframework/cloud/autoconfigure/ConfigurationPropertiesRebinderAutoConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:597) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213) at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:270) at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:762) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:567) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415) at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:164) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:212) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:117) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:74) at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176) at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131) at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85) at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66) at java.util.ArrayList.forEach(ArrayList.java:1257) at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120) at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114) at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65) at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:339) at org.springframework.boot.SpringApplication.run(SpringApplication.java:297) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) at com.example.springbootdame.PersonalAssistantApplication.main(PersonalAssistantApplication.java:12) Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:485) at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.buildLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:232) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.findLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:210) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(InitDestroyAnnotationBeanPostProcessor.java:149) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:305) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1116) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ... 30 common frames omitted Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationBeanFactoryMetadata at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.getDeclaredMethods(Class.java:1975) at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:467) ... 37 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 41 common frames omitted 2024-01-16 15:44:01.606 [al-service] [main] ERROR [org.springframework.boot.SpringApplication] -Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'configurationPropertiesBeans' defined in class path resource [org/springframework/cloud/autoconfigure/ConfigurationPropertiesRebinderAutoConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:597) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213) at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:270) at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:762) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:567) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415) at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:164) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:212) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:117) at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:74) at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176) at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131) at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:85) at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:66) at java.util.ArrayList.forEach(ArrayList.java:1257) at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:120) at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:114) at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:65) at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:339) at org.springframework.boot.SpringApplication.run(SpringApplication.java:297) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) at com.example.springbootdame.PersonalAssistantApplication.main(PersonalAssistantApplication.java:12) Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.cloud.context.properties.ConfigurationPropertiesBeans] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2] at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:485) at org.springframework.util.ReflectionUtils.doWithLocalMethods(ReflectionUtils.java:321) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.buildLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:232) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.findLifecycleMetadata(InitDestroyAnnotationBeanPostProcessor.java:210) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(InitDestroyAnnotationBeanPostProcessor.java:149) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(CommonAnnotationBeanPostProcessor.java:305) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:1116) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ... 30 common frames omitted Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/context/properties/ConfigurationBeanFactoryMetadata at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.getDeclaredMethods(Class.java:1975) at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:467) ... 37 common frames omitted Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 41 common frames omitted Disconnected from the target VM, address: '127.0.0.1:55698', transport: 'socket' Process finished with exit code 1
报错原因是缺失特定路径下的类org.springframework.boot.context.properties.ConfigurationBeanFactoryMetadata，如下所示:
需要解决此问题，自定义此类即可,注意一定要定义成框架所需的包路径（package org.springframework.boot.context.properties;）：
1 package org.springframework.boot.context.properties; 2 3 import org.springframework.beans.BeansException; 4 import org.springframework.beans.factory.config.BeanDefinition; 5 import org.springframework.beans.factory.config.BeanFactoryPostProcessor; 6 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; 7 import org.springframework.beans.factory.support.BeanDefinitionRegistry; 8 import org.springframework.beans.factory.support.GenericBeanDefinition; 9 import org.springframework.beans.factory.support.RootBeanDefinition; 10 import org.springframework.context.ApplicationContext; 11 import org.springframework.context.ApplicationContextAware; 12 import org.springframework.context.ConfigurableApplicationContext; 13 import org.springframework.core.annotation.AnnotationUtils; 14 import org.springframework.util.ClassUtils; 15 import org.springframework.util.ReflectionUtils; 16 17 import java.lang.annotation.Annotation; 18 import java.lang.reflect.Method; 19 import java.util.HashMap; 20 import java.util.Map; 21 import java.util.concurrent.atomic.AtomicReference; 22 23 /** 24 * @Author: mingming.chen 25 * @Date: 2024/1/15 14 26 26 * @Description: 27 **/ 28 public class ConfigurationBeanFactoryMetadata implements BeanFactoryPostProcessor { 29 30 private ConfigurableListableBeanFactory beanFactory; 31 32 private Map<String, MetaData> beans = new HashMap<String, MetaData>(); 33 34 @Override 35 public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) 36 throws BeansException { 37 this.beanFactory = beanFactory; 38 for (String name : beanFactory.getBeanDefinitionNames()) { 39 BeanDefinition definition = beanFactory.getBeanDefinition(name); 40 String method = definition.getFactoryMethodName(); 41 String bean = definition.getFactoryBeanName(); 42 if (method != null && bean != null) { 43 this.beans.put(name, new MetaData(bean, method)); 44 } 45 } 46 } 47 48 public <A extends Annotation> Map<String, Object> getBeansWithFactoryAnnotation( 49 Class<A> type) { 50 Map<String, Object> result = new HashMap<String, Object>(); 51 for (String name : this.beans.keySet()) { 52 if (findFactoryAnnotation(name, type) != null) { 53 result.put(name, this.beanFactory.getBean(name)); 54 } 55 } 56 return result; 57 } 58 59 public <A extends Annotation> A findFactoryAnnotation(String beanName, 60 Class<A> type) { 61 Method method = findFactoryMethod(beanName); 62 return (method == null ? null : AnnotationUtils.findAnnotation(method, type)); 63 } 64 65 private Method findFactoryMethod(String beanName) { 66 if (!this.beans.containsKey(beanName)) { 67 return null; 68 } 69 final AtomicReference<Method> found = new AtomicReference<Method>(null); 70 MetaData meta = this.beans.get(beanName); 71 final String factory = meta.getMethod(); 72 Class<?> type = this.beanFactory.getType(meta.getBean()); 73 ReflectionUtils.doWithMethods(type, new ReflectionUtils.MethodCallback() { 74 @Override 75 public void doWith(Method method) 76 throws IllegalArgumentException, IllegalAccessException { 77 if (method.getName().equals(factory)) { 78 found.compareAndSet(null, method); 79 } 80 } 81 }); 82 return found.get(); 83 } 84 85 private static class MetaData { 86 87 private String bean; 88 89 private String method; 90 91 MetaData(String bean, String method) { 92 this.bean = bean; 93 this.method = method; 94 } 95 96 public String getBean() { 97 return this.bean; 98 } 99 100 public String getMethod() { 101 return this.method; 102 } 103 104 } 105 106 }
四、版本匹配安全检查问题
此时，同样启动项目，报以下错误，并中断进程：
如上所示，由于spring-cloud-starter-netflix-hystrix 2021年后不更新，此依赖包对应的springCloud版本和springboot版本不匹配，会报版本不匹配异常，需要禁用安全检查功能，如下配置在application.yml文件中：
spring:
cloud:
compatibility-verifier:
enabled: false
检查配置说明：
兼容性验证器是Spring Cloud框架中的一个功能，用于确保所使用的Spring Boot版本与Spring Cloud版本兼容。当Spring Boot版本与Spring Cloud版本不兼容时，可能会导致应用程序在运行时出现问题。
在上述代码中，cloud.compatibility-verifier.enabled属性被设置为false，意味着禁用了兼容性验证器。这意味着应用程序将不再执行Spring Boot与Spring Cloud版本的兼容性检查。
禁用兼容性验证器可能会导致以下问题：
- 不兼容的Spring Boot和Spring Cloud版本可能导致应用程序在运行时出现错误或异常。
- 可能会错过一些Spring Cloud提供的新功能或修复的问题。
因此，在禁用兼容性验证器之前，应该确保所使用的Spring Boot版本与Spring Cloud版本兼容，并且了解可能的风险和影响。
五、测试验证
- 熔断；
- 降级；
- 线程池隔离：并发数超过设置线程池个数请求进行降级；
六、结论
完成以上前四步即可在springboot2.6.x和2.7.x使用hystrix组件。
文章来源:https://www.cnblogs.com/chenmingming0225/p/17980039
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本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如若内容造成侵权/违法违规/事实不符，请联系邮箱：jacktools123@163.com进行投诉反馈，一经查实，立即删除！
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