Build failed in Jenkins: system-sync_mirrors-centos-updates-el6-x86_64 #289

[jenkins at jenkins.phx.ovirt.org]

See <http://jenkins.ovirt.org/job/system-sync_mirrors-centos-updates-el6-x86_64/289/display/redirect>

------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on mirrors.phx.ovirt.org (mirrors) in workspace <http://jenkins.ovirt.org/job/system-sync_mirrors-centos-updates-el6-x86_64/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url http://gerrit.ovirt.org/jenkins.git # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
Pruning obsolete local branches
Fetching upstream changes from http://gerrit.ovirt.org/jenkins.git
 > git --version # timeout=10
 > git fetch --tags --progress http://gerrit.ovirt.org/jenkins.git +refs/heads/*:refs/remotes/origin/* --prune
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from http://gerrit.ovirt.org/jenkins.git
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:799)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1055)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1086)
	at hudson.scm.SCM.checkout(SCM.java:496)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1278)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:604)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)
	at hudson.model.Run.execute(Run.java:1728)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:405)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --progress http://gerrit.ovirt.org/jenkins.git +refs/heads/*:refs/remotes/origin/* --prune" returned status code 128:
stdout: 
stderr: fatal: unable to access 'http://gerrit.ovirt.org/jenkins.git/': Could not resolve host: gerrit.ovirt.org; Unknown error

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1784)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1513)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:64)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:315)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:152)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:145)
	at hudson.remoting.UserRequest.perform(UserRequest.java:153)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:336)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
	at ......remote call to mirrors.phx.ovirt.org(Native Method)
	at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1545)
	at hudson.remoting.UserResponse.retrieve(UserRequest.java:253)
	at hudson.remoting.Channel.call(Channel.java:830)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:145)
	at sun.reflect.GeneratedMethodAccessor548.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:131)
	at com.sun.proxy.$Proxy63.execute(Unknown Source)
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:797)
	... 11 more
ERROR: null