Established TCP socket on 59427 <===[JENKINS REMOTING CAPACITY]===>channel started Executing Maven: -B -f /home/hudson/genie.microprofile/.jenkins/jobs/Health prerelease artifact build/workspace/pom.xml --projects .,api,spec,tck install [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for org.eclipse.microprofile.health:microprofile-health-tck:jar:1.0.0-RC2 [WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.testng:testng:jar -> version ${testng.version} vs 6.8.21 @ org.eclipse.microprofile.health:microprofile-health-tck:[unknown-version], /home/hudson/genie.microprofile/.jenkins/jobs/Health prerelease artifact build/workspace/tck/pom.xml, line 114, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING]