dubbo start failed with nacos-spring-context 1.0.0

[robinZhao]

• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

• Dubbo version: 2.7.7/2.7.8
• Operating System version: xxx
• Java version: xxx

Steps to reproduce this issue

1. start

Pls. provide [GitHub address] to reproduce this issue.

Expected Result

What do you expected from the above steps？

Actual Result

What actually happens?

If there is an exception, please attach the exception trace:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xxxxxController': Injection of @DubboReference dependencies is failed; nested exception is java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Class
	at com.alibaba.spring.beans.factory.annotation.AbstractAnnotationBeanPostProcessor.postProcessPropertyValues(AbstractAnnotationBeanPostProcessor.java:183) ~[spring-context-support-1.0.11.jar:?]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1425) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758) ~[spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
	at com.echovin.demo.visit.VisitWebApplication.main(VisitWebApplication.java:12) [main/:?]
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Class
	at org.apache.dubbo.config.spring.util.DubboAnnotationUtils.resolveServiceInterfaceClass(DubboAnnotationUtils.java:95) ~[dubbo-2.7.8.jar:2.7.8]
	at org.apache.dubbo.config.spring.util.DubboAnnotationUtils.resolveInterfaceName(DubboAnnotationUtils.java:78) ~[dubbo-2.7.8.jar:2.7.8]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ServiceBeanNameBuilder.<init>(ServiceBeanNameBuilder.java:65) ~[dubbo-2.7.8.jar:2.7.8]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ServiceBeanNameBuilder.create(ServiceBeanNameBuilder.java:78) ~[dubbo-2.7.8.jar:2.7.8]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.buildReferencedBeanName(ReferenceAnnotationBeanPostProcessor.java:303) ~[dubbo-2.7.8.jar:2.7.8]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.buildInjectedObjectCacheKey(ReferenceAnnotationBeanPostProcessor.java:292) ~[dubbo-2.7.8.jar:2.7.8]
	at com.alibaba.spring.beans.factory.annotation.AbstractAnnotationBeanPostProcessor.getInjectedObject(AbstractAnnotationBeanPostProcessor.java:404) ~[spring-context-support-1.0.11.jar:?]
	at com.alibaba.spring.beans.factory.annotation.AbstractAnnotationBeanPostProcessor$AnnotatedFieldElement.inject(AbstractAnnotationBeanPostProcessor.java:626) ~[spring-context-support-1.0.11.jar:?]
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:130) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
	at com.alibaba.spring.beans.factory.annotation.AbstractAnnotationBeanPostProcessor.postProcessPropertyValues(AbstractAnnotationBeanPostProcessor.java:179) ~[spring-context-support-1.0.11.jar:?]
	... 18 more

[robinZhao]

update nacos-spring-context to 1.0.0 because nacos-spring-context0.3.6 can't read yaml in nacos when using nacos-client1.3.2,
nacos-spring-context 1.0.0 dependency spring-context-support 1.0.11
in spring-context-support 1.0.11
AbstractAnnotationBeanPostProcessor read annotation property interfaceClass=void as interfaceClass="void"

code in AbstractAnnotationBeanPostProcessor

    /**
     * whether to turn Class references into Strings (for
     * compatibility with {@link org.springframework.core.type.AnnotationMetadata} or to
     * preserve them as Class references
     *
     * @since 1.0.11
     */
    private boolean classValuesAsString = true;
......
    protected AnnotationAttributes doGetAnnotationAttributes(AnnotatedElement annotatedElement,
                                                             Class<? extends Annotation> annotationType) {
        return getAnnotationAttributes(annotatedElement, annotationType, getEnvironment(),
                classValuesAsString, nestedAnnotationsAsMap, ignoreDefaultValue, tryMergedAnnotation);
    }

[vantis-zh]

I've got the same error.

[wsrhp]

same problem

[zhaog]

downgrade spring-context-support from 1.0.11 to 1.0.10 worked.

[zrlw]

it might be fixed by #8217

[CrazyHZM]

Try it with the latest version, if you still have problems, you can reopen the issues