ClassNotFoundException: org.springframework.core.NativeDetector报错及解决_caused by: java.lang.classnotfoundexception: org.s-优快云博客

在尝试使用Spring Cloud构建微服务架构时，遇到子项目启动失败的问题，错误信息显示ClassNotFoundException: org.springframework.core.NativeDetector。解决方法是在父工程中除了引入spring-boot-starter-web依赖外，还需要额外添加对应依赖。完成添加后，问题得到解决，子项目成功启动。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

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.<init>(SpringApplication.java:270)
	at org.springframework.boot.SpringApplication.<init>(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
	at org.springframework.boot.autoconfigure.BackgroundPreinitializer.<clinit>(BackgroundPreinitializer.java:71)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:172)
	at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:446)
	... 7 more
Caused by: java.lang.ClassNotFoundException: org.springframework.core.NativeDetector
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 14 more

解决方式：父工程里只依赖spring-boot-starter-web还不够，要加上

	<parent>
        <artifactId>spring-boot-starter-parent</artifactId>
        <groupId>org.springframework.boot</groupId>
        <version>2.1.0.RELEASE</version>
    </parent>

再次启动，就好了。