See https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/607/
################################################################################### ########################## LAST 60 LINES OF THE CONSOLE ########################### [...truncated 188 lines...] at hudson.remoting.PingThread.run(PingThread.java:81) Caused by: java.util.concurrent.TimeoutException: Ping started on 1368466219363 hasn't completed at 1368466459363 ... 2 more ERROR: Publisher hudson.plugins.violations.ViolationsPublisher aborted due to exception hudson.util.IOException2: remote file operation failed: /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-0.23-Build at hudson.remoting.Channel@51ad9cd5:hadoop2 at hudson.FilePath.act(FilePath.java:861) at hudson.FilePath.act(FilePath.java:838) at hudson.plugins.violations.ViolationsPublisher.perform(ViolationsPublisher.java:74) at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:36) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:810) at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:785) at hudson.model.Build$BuildExecution.post2(Build.java:183) at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:732) at hudson.model.Run.execute(Run.java:1593) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:236) Caused by: hudson.remoting.ChannelClosedException: channel is already closed at hudson.remoting.Channel.send(Channel.java:494) at hudson.remoting.Request.call(Request.java:129) at hudson.remoting.Channel.call(Channel.java:672) at hudson.FilePath.act(FilePath.java:854) ... 11 more Caused by: java.io.IOException at hudson.remoting.Channel.close(Channel.java:910) at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:110) at hudson.remoting.PingThread.ping(PingThread.java:120) at hudson.remoting.PingThread.run(PingThread.java:81) Caused by: java.util.concurrent.TimeoutException: Ping started on 1368466219363 hasn't completed at 1368466459363 ... 2 more ERROR: Publisher hudson.tasks.Mailer aborted due to exception hudson.remoting.ChannelClosedException: channel is already closed at hudson.remoting.Channel.send(Channel.java:494) at hudson.remoting.Request.call(Request.java:129) at hudson.remoting.Channel.call(Channel.java:672) at hudson.EnvVars.getRemote(EnvVars.java:212) at hudson.model.Computer.getEnvironment(Computer.java:882) at jenkins.model.CoreEnvironmentContributor.buildEnvironmentFor(CoreEnvironmentContributor.java:28) at hudson.model.Run.getEnvironment(Run.java:2021) at hudson.model.AbstractBuild.getEnvironment(AbstractBuild.java:936) at hudson.tasks.Mailer.perform(Mailer.java:114) at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:810) at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:785) at hudson.model.Build$BuildExecution.post2(Build.java:183) at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:732) at hudson.model.Run.execute(Run.java:1593) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:236) Caused by: java.io.IOException at hudson.remoting.Channel.close(Channel.java:910) at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:110) at hudson.remoting.PingThread.ping(PingThread.java:120) at hudson.remoting.PingThread.run(PingThread.java:81) Caused by: java.util.concurrent.TimeoutException: Ping started on 1368466219363 hasn't completed at 1368466459363 ... 2 more Email was triggered for: Failure Sending email for trigger: Failure ################################################################################### ############################## FAILED TESTS (if any) ############################## No tests ran.