<dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.12</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>log4j-over-slf4j</artifactId> <version>1.7.12</version> </dependency>
解答来源： https://stackoverflow.com/questions/31044619/difference-between-slf4j-log4j12-and-log4j-over-slf4j：