SpringBoot启动异常：No auto configuration classes found in META-INF/spring.factories.

求助问答
1

我用IDEA把springboot打包为jar，执行

java -jar myapp.jar

异常信息

16:37:44.194 [main] ERROR org.springframework.boot.SpringApplication - Application startup failed
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [pl.mypackage.Main]; nested exception is java.lang.IllegalArgumentException: No auto configuration classes found in META-INF/spring.factories. If you are using a custom packaging, make sure that file is correct.
        at org.springframework.context.annotation.ConfigurationClassParser.processDeferredImportSelectors(ConfigurationClassParser.java:489)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:191)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
        at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)
        at pl.mypackage.Main.main(Main.java:39)
Caused by: java.lang.IllegalArgumentException: No auto configuration classes found in META-INF/spring.factories. If you are using a custom packaging, make sure that file is correct.
        at org.springframework.util.Assert.notEmpty(Assert.java:276)
        at org.springframework.boot.autoconfigure.EnableAutoConfigurationImportSelector.getCandidateConfigurations(EnableAutoConfigurationImportSelector.java:145)
        at org.springframework.boot.autoconfigure.EnableAutoConfigurationImportSelector.selectImports(EnableAutoConfigurationImportSelector.java:84)
        at org.springframework.context.annotation.ConfigurationClassParser.processDeferredImportSelectors(ConfigurationClassParser.java:481)
        ... 14 common frames omitted
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to process import candidates for configuration class [pl.mypackage.Main]; nested exception is java.lang.IllegalArgumentException: No auto configuration classes found in META-INF/spring.factories. If you are using a custom packaging, make sure that file is correct.
        at org.springframework.context.annotation.ConfigurationClassParser.processDeferredImportSelectors(ConfigurationClassParser.java:489)
        at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:191)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321)
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
        at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)
        at pl.mypackage.Main.main(Main.java:39)
Caused by: java.lang.IllegalArgumentException: No auto configuration classes found in META-INF/spring.factories. If you are using a custom packaging, make sure that file is correct.
        at org.springframework.util.Assert.notEmpty(Assert.java:276)
        at org.springframework.boot.autoconfigure.EnableAutoConfigurationImportSelector.getCandidateConfigurations(EnableAutoConfigurationImportSelector.java:145)
        at org.springframework.boot.autoconfigure.EnableAutoConfigurationImportSelector.selectImports(EnableAutoConfigurationImportSelector.java:84)
        at org.springframework.context.annotation.ConfigurationClassParser.processDeferredImportSelectors(ConfigurationClassParser.java:481)
        ... 14 more

在META-INF/spring.plants中似乎没有找到自动配置类。如何添加它，这个文件的内容应该是什么？

2

这个META-INF/spring.factories就是配置你的自动配置类的包路径