我正在尝试运行我的SpringBoot应用程序,但是得到这个错误 Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/SpringApplication
at com.greglturnquist.learningspringboot2.learningspringboot2.LearningSpringBoot2Applicati
我有一个运行在java8上的SpringBoot应用程序。它运行得很好,但有时会抛出以下错误。java.lang.NoClassDefFoundError: net/sf/ehcache/concurrent/ReadWriteLockSync
at net.sf.ehcache.store.MemoryStore
我创建了一个普通的SpringBoot应用程序( )但是当我 (在Eclipse Oxygen中)我得到 SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinderException in thread "main" java.lang.NoClassDefFoundError: ch/qos/logback/classic/Level
at org.springframewor