NoClassDefFoundError: Failed resolution of: Lorg/slf4j/LoggerFactory 缺少此依赖包 该压缩包中包含以下内容： 1、jcl-over-slf4j-1.7.21.jar 2、jcl-over-slf4j-1.7.21-sources.jar 3、jul-to-slf4j-1.7.21.jar 4、jul-to-slf4j-1.7.21-sources.jar 5、log4j-over-slf4j-1.7.21.jar 6、log4j-over-slf4j-1.7.21-sources.jar 7、osgi-over-slf4j-1