Test phase of maven build of plugin, on jdk 1.8 fails. Works on 1.7

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T E S T S
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Running InjectedTest
Exploding jenkins.war at /Users/dspartz/.m2/repository/org/jenkins-ci/main/jenkins-war/1.520/jenkins-war-1.520-war-for-test.jar
Feb 10, 2015 2:59:22 PM org.mortbay.log.Slf4jLog info
INFO: Logging to org.slf4j.impl.JDK14LoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
Feb 10, 2015 2:59:22 PM org.mortbay.log.Slf4jLog info
INFO: jetty-6.1.26
Feb 10, 2015 2:59:22 PM org.mortbay.log.Slf4jLog info
INFO: NO JSP Support for , did not find org.apache.jasper.servlet.JspServlet
Feb 10, 2015 2:59:22 PM org.mortbay.log.Slf4jLog info
INFO: Started SocketConnector@0.0.0.0:49610
Feb 10, 2015 2:59:22 PM jenkins.InitReactorRunner$1 onAttained
INFO: Started initialization
Feb 10, 2015 2:59:25 PM jenkins.InitReactorRunner$1 onAttained
INFO: Listed all plugins
Feb 10, 2015 2:59:25 PM jenkins.InitReactorRunner$1 onAttained
INFO: Prepared all plugins
Feb 10, 2015 2:59:25 PM jenkins.InitReactorRunner$1 onAttained
INFO: Started all plugins
Feb 10, 2015 2:59:25 PM jenkins.InitReactorRunner$1 onAttained
INFO: Augmented all extensions
Feb 10, 2015 2:59:28 PM hudson.model.ComputerSet <clinit>
WARNING: Failed to instantiate NodeMonitors
java.lang.ArrayIndexOutOfBoundsException: -1
at com.thoughtworks.xstream.core.util.OrderRetainingMap.entrySet(OrderRetainingMap.java:77)
at java.util.HashMap.putMapEntries(HashMap.java:511)
at java.util.HashMap.putAll(HashMap.java:784)
at com.thoughtworks.xstream.core.util.OrderRetainingMap.<init>(OrderRetainingMap.java:36)
at com.thoughtworks.xstream.converters.reflection.FieldDictionary.buildMap(FieldDictionary.java:135)
at com.thoughtworks.xstream.converters.reflection.FieldDictionary.fieldsFor(FieldDictionary.java:76)
at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:127)
at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:143)
at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:102)
at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43)
at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64)
at hudson.util.DescribableList$ConverterImpl.marshal(DescribableList.java:259)
at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43)
at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:82)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37)
at com.thoughtworks.xstream.XStream.marshal(XStream.java:898)
at com.thoughtworks.xstream.XStream.marshal(XStream.java:887)
at com.thoughtworks.xstream.XStream.toXML(XStream.java:860)
at hudson.XmlFile.write(XmlFile.java:183)
at hudson.model.ComputerSet$1.save(ComputerSet.java:76)
at hudson.util.PersistedList.onModified(PersistedList.java:173)
at hudson.util.PersistedList.replaceBy(PersistedList.java:85)
at hudson.model.ComputerSet.<clinit>(ComputerSet.java:431)
at jenkins.metrics.impl.JenkinsHealthCheckProviderImpl.getHealthChecks(JenkinsHealthCheckProviderImpl.java:87)
at jenkins.metrics.api.Metrics.afterExtensionsAugmented(Metrics.java:311)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at hudson.init.InitializerFinder.invoke(InitializerFinder.java:120)
at hudson.init.InitializerFinder$TaskImpl.run(InitializerFinder.java:184)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:893)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Feb 10, 2015 2:59:28 PM jenkins.InitReactorRunner$1 onAttained
INFO: Loaded all jobs
Feb 10, 2015 2:59:28 PM jenkins.InitReactorRunner$1 onAttained
INFO: Completed initialization
Feb 10, 2015 2:59:28 PM hudson.TcpSlaveAgentListener <init>
INFO: JNLP slave agent listener started on TCP port 49611
Feb 10, 2015 2:59:28 PM hudson.UDPBroadcastThread run
WARNING: UDP handling problem
java.net.SocketException: Can't assign requested address
at java.net.PlainDatagramSocketImpl.join(Native Method)
at java.net.AbstractPlainDatagramSocketImpl.join(AbstractPlainDatagramSocketImpl.java:179)
at java.net.MulticastSocket.joinGroup(MulticastSocket.java:323)
at hudson.UDPBroadcastThread.run(UDPBroadcastThread.java:76)

Feb 10, 2015 2:59:28 PM org.mortbay.log.Slf4jLog info
INFO: jetty-6.1.26
Feb 10, 2015 2:59:28 PM org.mortbay.log.Slf4jLog info
INFO: NO JSP Support for , did not find org.apache.jasper.servlet.JspServlet
Feb 10, 2015 2:59:28 PM org.mortbay.log.Slf4jLog info
INFO: Started SocketConnector@0.0.0.0:49612
Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 7.867 sec <<< FAILURE!
Feb 10, 2015 2:59:28 PM hudson.PluginWrapper stop
INFO: Stopping metrics

Results :

Tests in error:
org.jvnet.hudson.test.JellyTestSuiteBuilder$JellyTestSuite(org.jvnet.hudson.test.junit.FailedTest): -1
testCliSanity(org.jvnet.hudson.test.PluginAutomaticTestBuilder$CliSanityTest): second instance

Tests run: 2, Failures: 0, Errors: 2, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14.808s
[INFO] Finished at: Tue Feb 10 14:59:29 PST 2015
[INFO] Final Memory: 37M/514M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.9:test (default-test) on project metrics: There are test failures.
[ERROR]
[ERROR] Please refer to /Users/dspartz/Documents/workspaces/git/metrics-plugin/target/surefire-reports for the individual test results.
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException