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 EAP 7 Administration - Apps (pom) 1.6-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ apps ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.4:create (default) @ apps ---
[INFO] ShortRevision tag detected. The value is '12'.
[INFO] Executing: /bin/sh -c cd '/var/jenkins_home/jobs/RedHat_JBoss_EAP_7_Administration/workspace/apps' && 'git' 'rev-parse' '--verify' '--short=12' 'HEAD'
[INFO] Working directory: /var/jenkins_home/jobs/RedHat_JBoss_EAP_7_Administration/workspace/apps
[INFO] Storing buildNumber: 52932e4a9317 at timestamp: 1596826041283
[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/RedHat_JBoss_EAP_7_Administration/workspace/apps' && 'git' 'rev-parse' '--verify' '--short=12' 'HEAD'
[INFO] Working directory: /var/jenkins_home/jobs/RedHat_JBoss_EAP_7_Administration/workspace/apps
[INFO] Storing buildScmBranch: UNKNOWN
[INFO] 
[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-maven) @ apps ---
[INFO] 
[INFO] --- maven-jar-plugin:2.6:jar (package-jar) @ apps ---
[WARNING] JAR will be empty - no content was marked for inclusion!
[INFO] Building jar: /var/jenkins_home/jobs/RedHat_JBoss_EAP_7_Administration/workspace/apps/target/apps-1.6-SNAPSHOT.52932e4a9317.jar
[INFO] 
[INFO] --- maven-jar-plugin:2.6:test-jar (package-test-jar) @ apps ---
[INFO] Skipping packaging of the test-jar
[INFO] 
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ apps ---
[INFO] Skipping artifact installation
[INFO] 
[INFO] --- maven-resources-plugin:3.0.2:copy-resources (copy-artifact-to-labs) @ apps ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource