<dependency>
<groupId>org.apache.logging.log4j.adapters</groupId>
<artifactId>slf4j-impl</artifactId>
<version>2.0-beta2</version>
</dependency>
@Grapes(
@Grab(group='org.apache.logging.log4j.adapters', module='slf4j-impl', version='2.0-beta2')
)