I am seeing on all Mahout builds. Changing to ubuntu has the same issue. I suspect that this is the reason that the build queue is so short.
Started by user tdunning Building remotely on solaris1 hudson.util.IOException2: remote file operation failed: /export/home/hudson/hudson-slave/workspace/Mahout-Quality at hudson.remoting.chan...@1bc1efd4:solaris1 at hudson.FilePath.act(FilePath.java:749) at hudson.FilePath.act(FilePath.java:735) at hudson.FilePath.mkdirs(FilePath.java:801) at hudson.model.AbstractProject.checkout(AbstractProject.java:1059) at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:479) at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:411) at hudson.model.Run.run(Run.java:1273) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:129) Caused by: java.io.IOException: SSH channel is closed. (Close requested by remote) at com.trilead.ssh2.channel.ChannelManager.sendData(ChannelManager.java:383) at com.trilead.ssh2.channel.ChannelOutputStream.write(ChannelOutputStream.java:63) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1838) at java.io.ObjectOutputStream$BlockDataOutputStream.writeByte(ObjectOutputStream.java:1876) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1537) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:329) at hudson.remoting.Channel.send(Channel.java:419) at hudson.remoting.Request.call(Request.java:105) at hudson.remoting.Channel.call(Channel.java:557) at hudson.FilePath.act(FilePath.java:742) ... 9 more [FINDBUGS] Skipping publisher since build result is FAILURE [PMD] Skipping publisher since build result is FAILURE [TASKS] Skipping publisher since build result is FAILURE Publishing Javadoc ERROR: Publisher hudson.tasks.JavadocArchiver aborted due to exceptionjava.io.IOException <http://grepcode.com/search?query=java.io.IOException>: SSH channel is closed. (Close requested by remote) at com.trilead.ssh2.channel.ChannelManager.sendData(ChannelManager.java:383) <http://grepcode.com/search/?query=com.trilead.ssh2.channel.ChannelManager.sendData&entity=method> at com.trilead.ssh2.channel.ChannelOutputStream.write(ChannelOutputStream.java:63) <http://grepcode.com/search/?query=com.trilead.ssh2.channel.ChannelOutputStream.write&entity=method> at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1838) <http://grepcode.com/search/?query=java.io.ObjectOutputStream$BlockDataOutputStream.drain&entity=method> at java.io.ObjectOutputStream$BlockDataOutputStream.writeByte(ObjectOutputStream.java:1876) <http://grepcode.com/search/?query=java.io.ObjectOutputStream$BlockDataOutputStream.writeByte&entity=method> at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1537) <http://grepcode.com/search/?query=java.io.ObjectOutputStream.writeFatalException&entity=method> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:329) <http://grepcode.com/search/?query=java.io.ObjectOutputStream.writeObject&entity=method> at hudson.remoting.Channel.send(Channel.java:419) <http://grepcode.com/search/?query=hudson.remoting.Channel.send&entity=method> at hudson.remoting.Request.call(Request.java:105) <http://grepcode.com/search/?query=hudson.remoting.Request.call&entity=method> at hudson.remoting.Channel.call(Channel.java:557) <http://grepcode.com/search/?query=hudson.remoting.Channel.call&entity=method> at hudson.EnvVars.getRemote(EnvVars.java:202) <http://grepcode.com/search/?query=hudson.EnvVars.getRemote&entity=method>