[Builder] Build failed in Jenkins: carbon-rules #646

[cbuilder at wso2.org]

See <https://wso2.org/jenkins/job/carbon-rules/646/>

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Failed to access build log

java.io.IOException: remote file operation failed: /build/jenkins-home/workspace/carbon-rules at hudson.remoting.Channel at 275b24d3:Worker-AWS02: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.FilePath.act(FilePath.java:987)
	at hudson.FilePath.act(FilePath.java:969)
	at hudson.FilePath.toURI(FilePath.java:1114)
	at hudson.tasks.MailSender.createFailureMail(MailSender.java:314)
	at hudson.tasks.MailSender.createMail(MailSender.java:180)
	at hudson.tasks.MailSender.run(MailSender.java:109)
	at hudson.tasks.MailSender.execute(MailSender.java:103)
	at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.cleanUp(MavenModuleSetBuild.java:1054)
	at hudson.model.Run.execute(Run.java:1788)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:525)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:408)
Caused by: hudson.remoting.ChannelClosedException: channel is already closed
	at hudson.remoting.Channel.send(Channel.java:575)
	at hudson.remoting.Request.call(Request.java:130)
	at hudson.remoting.Channel.call(Channel.java:777)
	at hudson.FilePath.act(FilePath.java:980)
	... 11 more
Caused by: java.io.IOException
	at hudson.remoting.Channel.close(Channel.java:1160)
	at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:118)
	at hudson.remoting.PingThread.ping(PingThread.java:126)
	at hudson.remoting.PingThread.run(PingThread.java:85)
Caused by: java.util.concurrent.TimeoutException: Ping started at 1450680696320 hasn't completed by 1450680936320
	... 2 more