spring boot 2.0类找不到EmbeddedServletContainerInitializedEvent

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EmbeddedServletContainerInitializedEvent类找不到

Caused by: java.lang.NoClassDefFoundError: org/springframework/boot/context/embedded/EmbeddedServletContainerInitializedEvent
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:668)
	... 21 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.context.embedded.EmbeddedServletContainerInitializedEvent
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 25 common frames omitted

原因：

spirng-boot 2.0 之后将

org.springframework.boot.context.embedded.EmbeddedServletContainerInitializedEvent

修改为

org.springframework.boot.web.context.WebServerInitializedEvent