SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”

https://stackoverflow.com/questions/7421612/slf4j-failed-to-load-class-org-slf4j-impl-staticloggerbinder 

<dependency>       <groupId>org.slf4j</groupId>       <artifactId>slf4j-api</artifactId>       <version>1.7.5</version>   </dependency>   <dependency>       <groupId>org.slf4j</groupId>       <artifactId>slf4j-log4j12</artifactId>       <version>1.7.5</version>   </dependency>

Or

   <dependency>       <groupId>org.slf4j</groupId>       <artifactId>slf4j-api</artifactId>       <version>1.7.5</version>   </dependency>   <dependency>       <groupId>org.slf4j</groupId>       <artifactId>slf4j-simple</artifactId>       <version>1.6.4</version>   </dependency>