See https://builds.apache.org/job/maven-jenkinsfile/job/master/58/
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with null Apache Jenkins Server
- Maven Jenkinsfile finished with UNSTABLE Apache Jenkins Server
- Maven Jenkinsfile finished with UNSTABL... Apache Jenkins Server
