Exclude the painless jars
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.3</version>
+ <configuration>
+ <excludes>
+ <exclude>modules/lang-painless/*</exclude>
+ </excludes>
+ </configuration>
<executions>
<execution>
<goals>
