try downgrade commons-collections version in jacoco plugin to test travis build
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.3</version>
+ <dependencies>
+ <dependency>
+ <groupId>commons-collections</groupId>
+ <artifactId>commons-collections</artifactId>
+ <version>3.2.1</version>
+ </dependency>
+ </dependencies>
</plugin>
<plugin>
