ADDITIONAL SYSTEM INFORMATION :
Microsoft Windows [Version 10.0.16299.371]

Darwin unit 17.5.0 Darwin Kernel Version 17.5.0: Fri Apr 13 19:32:32 PDT 2018; root:xnu-4570.51.2~1/RELEASE_X86_64 x86_64

JDK under test: C:\\Program Files\\Java\\jdk-10.0.1
java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)


A DESCRIPTION OF THE PROBLEM :
The test javax/swing/JInternalFrame/8020708/bug8020708.java fails on Windows and MacOS with the message: "Close mnemonic does not work in [Nimbus Look and Feel - javax.swing.plaf.nimbus.NimbusLookAndFeel]"
The issue was not obserbed on Linux

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
$ jtreg -testjdk:/cygdrive/c/Program\ Files/Java/jdk-10.0.1 -javaoptions:"-Djava.awt.headless=false" -timeoutFactor:2 test/javax/swing/JInternalFrame/8020708/bug8020708.java

ACTUAL -
#section:main
----------messages:(5/187)----------
command: main bug8020708
reason: User specified action: run main bug8020708
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 2.118
----------configuration:(3/43)----------
Boot Layer
  add modules: java.desktop

----------System.out:(0/0)----------
----------System.err:(33/2451)----------
java.lang.reflect.InvocationTargetException
at java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1367)
at java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1342)
at java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480)
at bug8020708.testInternalFrameMnemonic(bug8020708.java:126)
at bug8020708.main(bug8020708.java:76)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.RuntimeException: Close mnemonic does not work in [Nimbus Look and Feel - javax.swing.plaf.nimbus.NimbusLookAndFeel]
at bug8020708$2.run(bug8020708.java:130)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

JavaTest Message: Test threw exception: java.lang.reflect.InvocationTargetException
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.reflect.InvocationTargetException

---------- BEGIN SOURCE ----------
http://hg.openjdk.java.net/jdk10/jdk10/jdk/file/777356696811/test/javax/swing/JInternalFrame/8020708/bug8020708.java
---------- END SOURCE ----------

FREQUENCY : always