Need to specify versions for antrun-plugin or it doesn't run
<plugin>
<groupId>org.sonatype.plugins</groupId>
<artifactId>jarjar-maven-plugin</artifactId>
+ <version>1.9</version>
<executions>
<execution>
<phase>package</phase>
</plugin>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
+ <version>1.8</version>
<executions>
<!-- Remove extraneous files from the jarjar'ed Apache Commons Codec
Library. -->
