[jbosstools-builds] Build failed in Jenkins: jbosstools-server_master #516

[ci-builds at redhat.com]

See <http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/jbosstools-server_master/516/>

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Started by user nboldt at REDHAT.COM
[EnvInject] - Loading node environment variables.
Building remotely on dev174-rhel6-x86_64 in workspace <http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/jbosstools-server_master/ws/>
[Process cleanup] Running.
Killing Process PID = 23160, PPID = 4030, ARGS = ps -u hudson -o pid,ppid,args
Checkout:jbosstools-server_master / <http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/jbosstools-server_master/ws/> - hudson.remoting.Channel at 66903799:dev174-rhel6-x86_64
Using strategy: Default
Last Built Revision: Revision 3cdc92d5acd6d46ebac777c68f340636826e0b6d (origin/master)
Fetching changes from 1 remote Git repository
Fetching upstream changes from origin
Commencing build of Revision 3cdc92d5acd6d46ebac777c68f340636826e0b6d (origin/master)
Checking out Revision 3cdc92d5acd6d46ebac777c68f340636826e0b6d (origin/master)
Deleting old artifacts from #514
Starting xvnc
[jbosstools-server_master] $ vncserver :836 -geometry 1920x1080

You will require a password to access your desktops.

getpassword error: Invalid argument
Password:Starting xvnc
[jbosstools-server_master] $ vncserver :837 -geometry 1920x1080

You will require a password to access your desktops.

getpassword error: Invalid argument
Password:Starting xvnc
[jbosstools-server_master] $ vncserver :838 -geometry 1920x1080

You will require a password to access your desktops.

getpassword error: Invalid argument
Password:Starting xvnc
[jbosstools-server_master] $ vncserver :839 -geometry 1920x1080

You will require a password to access your desktops.

getpassword error: Invalid argument
Password:FATAL: Failed to run 'vncserver :839 -geometry 1920x1080' (exit code 1), blacklisting display #839; consider checking the "Clean up before start" option
java.io.IOException: Failed to run 'vncserver :839 -geometry 1920x1080' (exit code 1), blacklisting display #839; consider checking the "Clean up before start" option
	at hudson.plugins.xvnc.Xvnc.doSetUp(Xvnc.java:100)
	at hudson.plugins.xvnc.Xvnc.doSetUp(Xvnc.java:98)
	at hudson.plugins.xvnc.Xvnc.doSetUp(Xvnc.java:98)
	at hudson.plugins.xvnc.Xvnc.doSetUp(Xvnc.java:98)
	at hudson.plugins.xvnc.Xvnc.setUp(Xvnc.java:73)
	at hudson.model.Build$BuildExecution.doRun(Build.java:154)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)