Console Output

Started calculate disk usage of build
Finished Calculation of disk usage of build in 0 seconds
Started calculate disk usage of workspace
Finished Calculation of disk usage of workspace in 0 seconds
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building blueBell (modules) 1.0-ALPHA-1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ bluebell-modules ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.4:create (default) @ bluebell-modules ---
[INFO] ShortRevision tag detected. The value is '12'.
[INFO] Executing: /bin/sh -c cd '/var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules' && 'git' 'rev-parse' '--verify' '--short=12' 'HEAD'
[INFO] Working directory: /var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules
[INFO] Storing buildNumber: 2ed5aee2c38d at timestamp: 1542809714907
[WARNING] Cannot get the branch information from the git repository: 
Detecting the current branch failed: fatal: ref HEAD is not a symbolic ref

[INFO] ShortRevision tag detected. The value is '12'.
[INFO] Executing: /bin/sh -c cd '/var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules' && 'git' 'rev-parse' '--verify' '--short=12' 'HEAD'
[INFO] Working directory: /var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules
[INFO] Storing buildScmBranch: UNKNOWN
[INFO] 
[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-maven) @ bluebell-modules ---
[INFO] 
[INFO] --- maven-antrun-plugin:1.7:run (generate-and-print-build-description) @ bluebell-modules ---
[INFO] Executing tasks

main:
     [echo] DESCRIPTION: 1.0-ALPHA-1-SNAPSHOT-2ed5aee2c38d UNKNOWN
     [echo] Java Version: 1.8.0_111 -source 1.7 -target 1.7
[INFO] Executed tasks
[INFO] 
[INFO] --- maven-jar-plugin:2.6:jar (package-jar) @ bluebell-modules ---
[WARNING] JAR will be empty - no content was marked for inclusion!
[INFO] Building jar: /var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules/target/bluebell-modules-1.0-ALPHA-1-SNAPSHOT.2ed5aee2c38d.jar
[INFO] 
[INFO] --- maven-jar-plugin:2.6:test-jar (package-test-jar) @ bluebell-modules ---
[INFO] Skipping packaging of the test-jar
[INFO] 
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ bluebell-modules ---
[INFO] Installing /var/jenkins_home/jobs/blueBell_Build_and_Test/workspace/modules/pom.xml to /var/jenkins_home/maven-repositories/0/it/tidalwave/bluebell/bluebell-modules/1.0-ALPHA-1-SNAPSHOT/bluebell-modules-1.0-ALPHA-1-SNAPSHOT.pom
[JENKINS] Archiving disabled