FailedConsole Output

Started by upstream project "buildall-stage_2-v15" build number 1
originally caused by:
 Started by user garciadeblas
 > git rev-parse --is-inside-work-tree # timeout=10
Setting origin to https://osm.etsi.org/gerrit/osm/NBI.git
 > git config remote.origin.url https://osm.etsi.org/gerrit/osm/NBI.git # timeout=10
Fetching origin...
Fetching upstream changes from origin
 > git --version # timeout=10
 > git config --get remote.origin.url # timeout=10
 > git fetch --tags --progress origin +refs/heads/*:refs/remotes/origin/*
Seen branch in repository origin/bug1511
Seen branch in repository origin/feature5837
Seen branch in repository origin/feature7106
Seen branch in repository origin/feature7928
Seen branch in repository origin/master
Seen branch in repository origin/netslice
Seen branch in repository origin/new-pipeline
Seen branch in repository origin/ng-ro-refactor
Seen branch in repository origin/paas
Seen branch in repository origin/sol006
Seen branch in repository origin/sol006v331
Seen branch in repository origin/v10.0
Seen branch in repository origin/v11.0
Seen branch in repository origin/v12.0
Seen branch in repository origin/v13.0
Seen branch in repository origin/v14.0
Seen branch in repository origin/v15.0
Seen branch in repository origin/v3.1
Seen branch in repository origin/v4.0
Seen branch in repository origin/v5.0
Seen branch in repository origin/v6.0
Seen branch in repository origin/v7.0
Seen branch in repository origin/v8.0
Seen branch in repository origin/v9.0
Seen 24 remote branches
Obtained Jenkinsfile from 828f3f29a221f4415e0962e63a491462c1b02370
Running in Durability level: MAX_SURVIVABILITY
[Pipeline] properties
[Pipeline] node
Running on osm worker 3 in /home/jenkins/workspace/NBI-stage_2_v15.0
[Pipeline] {
[Pipeline] checkout
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
java.lang.IllegalArgumentException: Null value not allowed as an environment variable: GERRIT_REFSPEC
	at hudson.EnvVars.put(EnvVars.java:379)
	at hudson.model.StringParameterValue.buildEnvironment(StringParameterValue.java:59)
	at hudson.model.ParametersAction.buildEnvironment(ParametersAction.java:145)
	at hudson.model.Run.getEnvironment(Run.java:2446)
	at org.jenkinsci.plugins.workflow.job.WorkflowRun.getEnvironment(WorkflowRun.java:513)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1185)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:120)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:90)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:77)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:748)
Finished: FAILURE