=== Starting testAboutJenkinsContent(com.cloudbees.jenkins.support.impl.AboutJenkinsTest)
   0.026 [id=1309]	INFO	o.jvnet.hudson.test.JenkinsRule#createWebServer: Running on http://localhost:9096/jenkins/
   0.419 [id=1316]	INFO	jenkins.InitReactorRunner$1#onAttained: Started initialization
   0.500 [id=1319]	INFO	jenkins.InitReactorRunner$1#onAttained: Listed all plugins
   0.648 [id=1315]	INFO	jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
   0.651 [id=1319]	INFO	jenkins.InitReactorRunner$1#onAttained: Started all plugins
   0.685 [id=1322]	INFO	jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
   0.686 [id=1321]	WARNING	jenkins.metrics.api.Metrics#afterExtensionsAugmented: Could not register metrics providers or health check providers as metrics plugin appears to be disabled
   1.349 [id=1322]	INFO	jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
   1.413 [id=1316]	INFO	jenkins.InitReactorRunner$1#onAttained: Completed initialization
   1.813 [id=1326]	SEVERE	hudson.triggers.SafeTimerTask#run: Timer task jenkins.metrics.impl.JenkinsMetricProviderImpl$PeriodicWorkImpl@7052fd9a failed
java.lang.AssertionError: jenkins.metrics.api.Metrics is missing its MetricRegistry
	at jenkins.metrics.api.Metrics.metricRegistry(Metrics.java:187)
	at jenkins.metrics.impl.JenkinsMetricProviderImpl.updateMetrics(JenkinsMetricProviderImpl.java:482)
	at jenkins.metrics.impl.JenkinsMetricProviderImpl.access$000(JenkinsMetricProviderImpl.java:84)
	at jenkins.metrics.impl.JenkinsMetricProviderImpl$PeriodicWorkImpl.doRun(JenkinsMetricProviderImpl.java:622)
	at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:72)
	at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
   2.276 [id=1309]	INFO	jenkins.model.Jenkins#cleanUp: Stopping Jenkins
   2.660 [id=1309]	INFO	jenkins.model.Jenkins#cleanUp: Jenkins stopped

java.lang.IllegalArgumentException: Parameter 'directory' is not a directory

	at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545)
	at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521)
	at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:691)
	at com.cloudbees.jenkins.support.impl.AboutJenkins$MasterChecksumsContent.printTo(AboutJenkins.java:873)
	at com.cloudbees.jenkins.support.api.PrintedContent.writeTo(PrintedContent.java:56)
	at com.cloudbees.jenkins.support.SupportTestUtils$1.add(SupportTestUtils.java:32)
	at com.cloudbees.jenkins.support.impl.AboutJenkins.addContents(AboutJenkins.java:122)
	at com.cloudbees.jenkins.support.SupportTestUtils.invokeComponentToString(SupportTestUtils.java:27)
	at com.cloudbees.jenkins.support.impl.AboutJenkinsTest.testAboutJenkinsContent(AboutJenkinsTest.java:66)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:599)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.lang.Thread.run(Thread.java:748)