SpringBoot org.springframework.core.NativeDetector not found in 2.4.3

My app doesn't start anymore when upgrading from 2.4.2. to 2.4.3.:

Exception in thread "main" java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:51)
    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52)
Caused by: java.lang.IllegalArgumentException: Cannot instantiate interface org.springframework.context.ApplicationListener : org.springframework.boot.autoconfigure.BackgroundPreinitializer
    at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:467)
    at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:449)
    at org.springframework.boot.SpringApplication.getSpringFactoriesInstances(SpringApplication.java:442)
    at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:285)
    at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:264)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1311)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300)
    at <confidential, but it's the SpringApplication.run(MyApp.class, args); line in the main method>
    ... 8 more
Caused by: java.lang.NoClassDefFoundError: org/springframework/core/NativeDetector
    at org.springframework.boot.autoconfigure.BackgroundPreinitializer.<clinit>(BackgroundPreinitializer.java:71)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:212)
    at org.springframework.boot.SpringApplication.createSpringFactoriesInstances(SpringApplication.java:463)
    ... 15 more
Caused by: java.lang.ClassNotFoundException: org.springframework.core.NativeDetector
    at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589)
    at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:93)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
    ... 22 more

Comment From: wilkinsona

You must be using the wrong version of Spring Framework. Spring Boot 2.4.3 requires Spring Framework 5.3.4.

Comment From: YNedderhoff

Yeah that could be it, thank you.