java.lang.AssertionError: 

Expected: an instance of hudson.slaves.OfflineCause$ByCLI
     but: <Connection was broken> is a hudson.slaves.OfflineCause$ChannelTermination
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:6)
	at hudson.cli.DisconnectNodeCommandTest.disconnectNodeManyShouldSucceedEvenANodeIsSpecifiedTwice(DisconnectNodeCommandTest.java:270)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:659)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at java.base/java.lang.Thread.run(Thread.java:1583)

0.139 [id=274]	INFO	o.jvnet.hudson.test.JenkinsRule#createWebServer2: Running on http://localhost:44099/jenkins/
   0.150 [id=274]	INFO	jenkins.model.Jenkins#<init>: Starting version 2.503-rc36357.42c15e2b_b_b_92
   0.160 [id=287]	INFO	jenkins.InitReactorRunner$1#onAttained: Started initialization
   0.162 [id=291]	INFO	jenkins.InitReactorRunner$1#onAttained: Listed all plugins
   0.167 [id=293]	INFO	j.b.api.BouncyCastlePlugin#start: /home/jenkins/agent/workspace/Core_jenkins_PR-10414/test/target/j h2050835237354836182/plugins/bouncycastle-api/WEB-INF/optional-lib not found; for non RealJenkinsRule this is fine and can be ignored.
   0.432 [id=292]	INFO	jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
   0.436 [id=291]	INFO	jenkins.InitReactorRunner$1#onAttained: Started all plugins
   0.437 [id=289]	INFO	jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
   0.644 [id=287]	INFO	jenkins.InitReactorRunner$1#onAttained: System config loaded
   0.645 [id=292]	INFO	jenkins.InitReactorRunner$1#onAttained: System config adapted
   0.646 [id=291]	INFO	jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
   0.649 [id=288]	INFO	jenkins.InitReactorRunner$1#onAttained: Configuration for all jobs updated
   0.665 [id=293]	INFO	jenkins.InitReactorRunner$1#onAttained: Completed initialization
   2.936 [id=77]	INFO	o.j.h.test.SimpleCommandLauncher#launch: agent launched for aNode2
   3.024 [id=82]	INFO	o.j.h.test.SimpleCommandLauncher#launch: agent launched for aNode1
   3.138 [id=319]	INFO	h.r.SynchronousCommandTransport$ReaderThread#run: I/O error in channel aNode2
java.io.EOFException
	at java.base/java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2933)
	at java.base/java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3428)
	at java.base/java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:985)
	at java.base/java.io.ObjectInputStream.<init>(ObjectInputStream.java:416)
	at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:50)
	at hudson.remoting.Command.readFrom(Command.java:141)
	at hudson.remoting.Command.readFrom(Command.java:127)
	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:35)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:62)
Caused: java.io.IOException: Unexpected termination of the channel
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:80)
   3.202 [id=77]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: killed Process[pid=27175, exitValue=143] with {HUDSON_COOKIE=db3018dd-13cb-4425-90e6-e706b36a8b23} for aNode2
   3.203 [id=319]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: no process for aNode2
   3.283 [id=77]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: killed Process[pid=27170, exitValue=143] with {HUDSON_COOKIE=a5ce0027-2052-4da9-859d-30e0b4e3017d} for aNode1
   3.283 [id=320]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: no process for aNode1
   3.335 [id=274]	INFO	hudson.lifecycle.Lifecycle#onStatusUpdate: Stopping Jenkins
   3.340 [id=97]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: no process for aNode2
   3.341 [id=77]	INFO	o.j.h.test.SimpleCommandLauncher#afterDisconnect: no process for aNode1
   3.351 [id=274]	INFO	hudson.lifecycle.Lifecycle#onStatusUpdate: Jenkins stopped
   3.447 [id=274]	INFO	o.j.h.t.TemporaryDirectoryAllocator#dispose: deleting /home/jenkins/agent/workspace/Core_jenkins_PR-10414/test/target/j h2050835237354836182

=== Starting disconnectNodeManyShouldSucceedEvenANodeIsSpecifiedTwice(hudson.cli.DisconnectNodeCommandTest)
WARN: The method class org.apache.commons.logging.impl.SLF4JLogFactory#release() was invoked.
WARN: Please see http://www.slf4j.org/codes.html#release for an explanation.