IDEA:springboot项目启动程序添加@MapperScan(value = "com.xxx.xxx.dao")报错：Invalid default: public abstract java.lang.Class org.mybatis.spring.annotation.MapperScan.factoryBean()

2021-09-23 12:58:34

 


 

java.lang.annotation.AnnotationFormatError: Invalid default: public abstract java.lang.Class org.mybatis.spring.annotation.MapperScan.factoryBean()
at java.lang.reflect.Method.getDefaultValue(Method.java:612) ~[na:1.8.0_131]
at sun.reflect.annotation.AnnotationType.<init>(AnnotationType.java:132) ~[na:1.8.0_131]
at sun.reflect.annotation.AnnotationType.getInstance(AnnotationType.java:85) ~[na:1.8.0_131]
at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:266) ~[na:1.8.0_131]
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120) ~[na:1.8.0_131]
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72) ~[na:1.8.0_131]
at java.lang.Class.createAnnotationData(Class.java:3521) ~[na:1.8.0_131]
at java.lang.Class.annotationData(Class.java:3510) ~[na:1.8.0_131]
at java.lang.Class.getDeclaredAnnotations(Class.java:3477) ~[na:1.8.0_131]
at org.springframework.core.annotation.AnnotationsScanner.getDeclaredAnnotations(AnnotationsScanner.java:499) ~[spring-core-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.core.annotation.AnnotationsScanner.isKnownEmpty(AnnotationsScanner.java:543) ~[spring-core-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.core.annotation.TypeMappedAnnotations.from(TypeMappedAnnotations.java:251) ~[spring-core-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.core.annotation.MergedAnnotations.from(MergedAnnotations.java:329) ~[spring-core-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.core.annotation.MergedAnnotations.from(MergedAnnotations.java:312) ~[spring-core-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.boot.BeanDefinitionLoader.isComponent(BeanDefinitionLoader.java:279) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.BeanDefinitionLoader.load(BeanDefinitionLoader.java:156) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.BeanDefinitionLoader.load(BeanDefinitionLoader.java:136) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.BeanDefinitionLoader.load(BeanDefinitionLoader.java:128) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.load(SpringApplication.java:691) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:392) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at com.liwenwen.redcup03.Redcup03Application.main(Redcup03Application.java:14) [classes/:na]

2020-05-22 18:50:40.634 WARN 7204 --- [ main] o.s.boot.SpringApplication : Unable to close ApplicationContext

java.lang.IllegalStateException: ApplicationEventMulticaster not initialized - call ‘refresh‘ before multicasting events via the context: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@8f4ea7c, started on Thu Jan 01 08:00:00 CST 1970
at org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:424) ~[spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:403) ~[spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:360) ~[spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.boot.availability.AvailabilityChangeEvent.publish(AvailabilityChangeEvent.java:81) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.availability.AvailabilityChangeEvent.publish(AvailabilityChangeEvent.java:67) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.doClose(ServletWebServerApplicationContext.java:167) ~[spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:978) ~[spring-context-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:814) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:325) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.0.RELEASE.jar:2.3.0.RELEASE]
at com.liwenwen.redcup03.Redcup03Application.main(Redcup03Application.java:14) [classes/:na]


Process finished with exit code 1

原因是我建的是springboot项目，没有添加mybatis的相关jar包，所以主程序在运行到dao层时调用了mybatis相关的jar包，所以才报错。

解决办法：在xml文件中添加以下依赖接解决了

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.1.1</version>
        </dependency>

IDEA:springboot项目启动程序添加@MapperScan(value = "com.xxx.xxx.dao")报错：Invalid default: public abstract java.lang.Class org.mybatis.spring.annotation.MapperScan.factoryBean()

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