[ImageJ-builds] Build failed in Jenkins: ImageJ-synchronizer #315337

[jenkins at imagej.net]

See <http://jenkins.imagej.net/job/ImageJ-synchronizer/315337/>

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Failed to access build log

java.io.IOException: remote file operation failed: /data/jenkins/workspace/ImageJ-synchronizer at hudson.remoting.Channel at 277cd3d6:server.microscopy: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.FilePath.act(FilePath.java:985)
	at hudson.FilePath.act(FilePath.java:967)
	at hudson.FilePath.toURI(FilePath.java:1112)
	at hudson.tasks.MailSender.createFailureMail(MailSender.java:312)
	at hudson.tasks.MailSender.createMail(MailSender.java:178)
	at hudson.tasks.MailSender.run(MailSender.java:107)
	at hudson.tasks.Mailer.perform(Mailer.java:141)
	at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:74)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:761)
	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:721)
	at hudson.model.Build$BuildExecution.post2(Build.java:183)
	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:670)
	at hudson.model.Run.execute(Run.java:1775)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:89)
	at hudson.model.Executor.run(Executor.java:240)
Caused by: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.remoting.Channel.send(Channel.java:549)
	at hudson.remoting.Request.call(Request.java:129)
	at hudson.remoting.Channel.call(Channel.java:751)
	at hudson.FilePath.act(FilePath.java:978)
	... 16 more
Caused by: java.io.IOException
	at hudson.remoting.Channel.close(Channel.java:1105)
	at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:118)
	at hudson.remoting.PingThread.ping(PingThread.java:125)
	at hudson.remoting.PingThread.run(PingThread.java:86)
Caused by: java.util.concurrent.TimeoutException: Ping started on 1426116244359 hasn't completed at 1426116484359
	... 2 more