[Geoserver-devel] Build failed in Jenkins: geoserver-2.15.x-live-docs #9

See <https://build.geoserver.org/job/geoserver-2.15.x-live-docs/9/display/redirect&gt;

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Started by an SCM change
Building remotely on apollo-slave-01 in workspace /var/jenkins/workspace/geoserver-2.15.x-live-docs
FATAL: java.io.IOException: Unexpected termination of the channel
java.io.EOFException
  at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2638)
  at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3113)
  at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:853)
  at java.io.ObjectInputStream.<init>(ObjectInputStream.java:349)
  at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:48)
  at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:35)
  at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:63)
Caused: java.io.IOException: Unexpected termination of the channel
  at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:77)
Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to apollo-slave-01
    at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1655)
    at hudson.remoting.Request.call(Request.java:190)
    at hudson.remoting.Channel.call(Channel.java:903)
    at hudson.FilePath.act(FilePath.java:986)
    at hudson.FilePath.act(FilePath.java:975)
    at org.jenkinsci.plugins.gitclient.Git.getClient(Git.java:137)
    at hudson.plugins.git.GitSCM.createClient(GitSCM.java:751)
    at hudson.plugins.git.GitSCM.createClient(GitSCM.java:743)
    at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1101)
    at hudson.scm.SCM.checkout(SCM.java:495)
    at hudson.model.AbstractProject.checkout(AbstractProject.java:1212)
    at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:566)
    at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
    at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:491)
    at hudson.model.Run.execute(Run.java:1724)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
    at hudson.model.ResourceController.execute(ResourceController.java:97)
    at hudson.model.Executor.run(Executor.java:421)
Caused: hudson.remoting.RequestAbortedException
  at hudson.remoting.Request.abort(Request.java:327)
  at hudson.remoting.Channel.terminate(Channel.java:988)
  at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:96)