我拆过的坑cycx

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ClassNotFoundException: org.springframework.core.NativeDetector报错及解决

使用springcloud想搭建一个微服务架构,在parent里引用了spring-boot-starter-web依赖,子项目却启动不了,报错如下: 搭建springcloud的工程遇到的问题 Exception in thread "main" java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.context.ApplicationListener : org.springframework.boot.autoconfigure.BackgroundPreinitializer at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:450) at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:429) at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:420) at org.springframework.boot.SpringApplication.

(SpringApplication.java:270) at org.springframework.boot.SpringApplication.(SpringApplication.java:249) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.hm.SchoolApplication.main(SchoolApplication.java:17) Caused by: java.lang.NoClassDefFoundError: org/springframework/core/NativeDetector 解决方式:父工程里只依赖spring-boot-starter-web还不够,要加上spring-boot-starter-parentorg.springframework.boot2.1.0.RELEASE

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