maven-publish plugin does not add excludes to generated pom

I build a gradle project with:

gradle clean publishToMavenLocal

In the build.gradle file I need to exclude all transitive dependencies for 'commons-jxpath'

dependencies {
compile("commons-jxpath:commons-jxpath:1.2") {
exclude group: '*'
}

But in the generated pom nothing is set to exclude:

<dependency>
<groupId>commons-jxpath</groupId>
<artifactId>commons-jxpath</artifactId>
<version>1.2</version>
<scope>runtime</scope>
</dependency>

I would expect:

<dependency>
<groupId>commons-jxpath</groupId>
<artifactId>commons-jxpath</artifactId>
<version>1.2</version>
<scope>runtime</scope>
<exclusions>
<exclusion>
<artifactId>*</artifactId>
<groupId>*</groupId>
</exclusion>
</exclusions>
</dependency>

Do I specify the exclusion for the dependency incorrectly or is it not supported in the maven-publish plugin (worked with the maven plugin)