<artifactId>maven-artifact</artifactId>
<version>2.0</version>
</dependency>
-
+<dependency>
+<groupId>org.slf4j</groupId>
+<artifactId>slf4j-simple</artifactId>
+<version>1.7.2</version>
+</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>yang-parser-impl</artifactId>