[jbosstools-builds] Build failed in Jenkins: jbosstools-build-sites.aggregate.site_master #10406

[dev-platform-jenkins at redhat.com]

See <https://dev-platform-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/jbosstools-build-sites.aggregate.site_master/10406/display/redirect>

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Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on rhel7-devstudio-releng-92897 (rhel7-devstudio-releng upshift) in workspace <https://dev-platform-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/jbosstools-build-sites.aggregate.site_master/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url git://github.com/jbosstools/jbosstools-build-sites.git # timeout=10
Fetching upstream changes from git://github.com/jbosstools/jbosstools-build-sites.git
 > git --version # timeout=10
 > git fetch --tags --progress git://github.com/jbosstools/jbosstools-build-sites.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision a67b814e6457a1d59be9ef540979fc1e0959377e (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a67b814e6457a1d59be9ef540979fc1e0959377e
Commit message: "Migrating issues.jboss.org --> issues.redhat.com (#272)"
 > git rev-list --no-walk a67b814e6457a1d59be9ef540979fc1e0959377e # timeout=10
Starting xvnc
[jbosstools-build-sites.aggregate.site_master] $ /usr/bin/vncserver :53 -geometry 1280x720

New 'rhel7-devstudio-releng-92897:53 (hudson)' desktop is rhel7-devstudio-releng-92897:53

Starting applications specified in /home/hudson/.vnc/xstartup
Log file is /home/hudson/.vnc/rhel7-devstudio-releng-92897:53.log

[jbosstools-build-sites.aggregate.site_master] $ /mnt/hudson_workspace/tools/hudson.tasks.Maven_MavenInstallation/maven-3.5.2/bin/mvn -Dstream_jbt=master "-Dupdate.site.description=Nightly Build" -DskipRevisionCheckWhenPublishing=false "-DMAVEN_FLAGS=-B -U -fae -e -P maximum,hudson,unified.target,pack200 -Djbosstools_site_suffix=latest/all/repo -DskipCheckSHAs=true -DskipITests=true" -DtrimVersion=true -Dmdep.stripClassifier=true -Dartifact=org.jboss.tools.releng:jbosstools-releng-publish:4.9.0-SNAPSHOT:tar.gz -DoutputDirectory=<https://dev-platform-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/jbosstools-build-sites.aggregate.site_master/ws/sources> -DoverWrite=true -Dmdep.stripVersion=true -Dmaven.repo.local=<https://dev-platform-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/jbosstools-build-sites.aggregate.site_master/ws/.repository> -U -e org.apache.maven.plugins:maven-dependency-plugin:2.9:unpack
The JAVA_HOME environment variable is not defined correctly
This environment variable is needed to run this program
NB: JAVA_HOME should point to a JDK not a JRE
Build step 'Invoke top-level Maven targets' marked build as failure
Terminating xvnc.
$ /usr/bin/vncserver -kill :53
Killing Xvnc process ID 26464
[description-setter] Description set: