Set the version of the jarjar-maven-plugin in pluginManagement
<target>1.6</target>
</configuration>
</plugin>
-
+ <plugin>
+ <groupId>org.sonatype.plugins</groupId>
+ <artifactId>jarjar-maven-plugin</artifactId>
+ <version>1.9</version>
+ </plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
