<dependency>
<groupId>org.grails</groupId>
<artifactId>grails-web-boot</artifactId>
<version>3.3.18</version>
</dependency>
compile
|-- org.codehaus.groovy:groovy:2.4.21
|-- org.slf4j:slf4j-api:1.7.25
|-- org.slf4j:jcl-over-slf4j:1.7.25
|-- org.grails:grails-web-common:3.3.18
test
|-- org.codehaus.groovy:groovy-test:2.4.21
|-- junit:junit:4.12
|-- org.slf4j:slf4j-simple:1.7.25
|-- org.spockframework:spock-core:1.1-groovy-2.4
|-- org.objenesis:objenesis:1.4
|-- org.grails:grails-plugin-controllers:3.3.18
|-- org.apache.tomcat.embed:tomcat-embed-core:8.0.33
|-- org.apache.tomcat.embed:tomcat-embed-logging-juli:8.0.33