Hello  all ,
   could you please review the following small change.

Some java/awt and javax/swing tests miss the  headful jtreg keyword
The change JDK-8129822  (  https://bugs.openjdk.java.net/browse/JDK-8129822  )
introduced a jtreg keyword to mark tests as requiring a "headful" (as opposed 
to "headless") environment to be able to run.


But a number of jdk10   jdk  jtreg tests from  java/awt  and  javax/swing miss 
this keyword and run into  "headless environment" exceptions and fail
when running in a headless environment  (has been observed in our  internal 
OpenJDK  testing environment at SAP).

Suggestion is to add the keyword to  the  tests missing it to  fix this.

Thanks, Matthias




Bug :
https://bugs.openjdk.java.net/browse/JDK-8183286

JDK10 webrev :

http://cr.openjdk.java.net/~mbaesken/webrevs/8183286/


List of  jdk  tests  and  exceptions seen :

java/awt/Choice/ChoicePopupLocation/ChoicePopupLocation.java

java.awt.HeadlessException
                at 
java.desktop/sun.java2d.HeadlessGraphicsEnvironment.getScreenDevices(HeadlessGraphicsEnvironment.java:53)
                at ChoicePopupLocation.main(ChoicePopupLocation.java:49)
                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)

java/awt/Dialog/DialogAboveFrame/DialogAboveFrameTest.java

java.lang.RuntimeException: Error: unable to create robot
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:91)
                at DialogAboveFrameTest.main(DialogAboveFrameTest.java:44)
                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.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:87)
                ... 7 more

java/awt/font/TextLayout/ArabicDiacriticTest.java

java.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/java.awt.Frame.<init>(Frame.java:388)
                at java.desktop/javax.swing.JFrame.<init>(JFrame.java:180)
                at 
ArabicDiacriticTest.lambda$showText$0(ArabicDiacriticTest.java:60)
                at 
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
                at 
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
                at 
java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
                at java.base/java.security.AccessController.doPrivileged(Native 
Method)
                at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
                at 
java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
                at 
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
                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)
STATUS:Failed.`main' threw exception: java.awt.HeadlessException


java/awt/Frame/NormalToIconified/NormalToIconifiedTest.java

java.lang.RuntimeException: Error: unable to create robot
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:91)
                at NormalToIconifiedTest.main(NormalToIconifiedTest.java:46)
                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.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:87)
                ... 7 more

java/awt/Frame/ObscuredFrame/ObscuredFrameTest.java

java.lang.RuntimeException: Error: unable to create robot
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:91)
                at ObscuredFrameTest.main(ObscuredFrameTest.java:40)
                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.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:87)
                ... 7 more

java/awt/PopupMenu/PopupMenuLocation.java

java.awt.HeadlessException
                at 
java.desktop/sun.java2d.HeadlessGraphicsEnvironment.getScreenDevices(HeadlessGraphicsEnvironment.java:53)
                at PopupMenuLocation.main(PopupMenuLocation.java:54)
                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)


java/awt/Robot/HiDPIScreenCapture/ScreenCaptureTest.java

java.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/java.awt.Frame.<init>(Frame.java:388)
                at ScreenCaptureTest.main(ScreenCaptureTest.java:59)
                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)


java/awt/Robot/MultiScreenRobotPosition/MultiScreenRobotPosition.java

java.awt.HeadlessException
                at 
java.desktop/sun.java2d.HeadlessGraphicsEnvironment.getScreenDevices(HeadlessGraphicsEnvironment.java:53)
                at 
MultiScreenRobotPosition.main(MultiScreenRobotPosition.java:42)
                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)

java/awt/Window/WindowDeadlockTest/WindowDeadlockTest.java

java.lang.RuntimeException: Error: unable to create robot
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:91)
                at WindowDeadlockTest.main(WindowDeadlockTest.java:42)
                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.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at test.java.awt.regtesthelpers.Util.createRobot(Util.java:87)
                ... 7 more

javax/accessibility/JList/AccessibleJListChildNPETest.java

java.lang.reflect.InvocationTargetException
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1328)
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1303)
                at 
java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1475)
                at 
AccessibleJListChildNPETest.main(AccessibleJListChildNPETest.java:49)
                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.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/java.awt.Frame.<init>(Frame.java:388)
                at java.desktop/javax.swing.JFrame.<init>(JFrame.java:180)
                at 
AccessibleJListChildNPETest$1.run(AccessibleJListChildNPETest.java:52)
                at 
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
                at 
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
                at 
java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
                at java.base/java.security.AccessController.doPrivileged(Native 
Method)
                at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
                at 
java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
                at 
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
                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)

javax/swing/JFrame/8175301/ScaledFrameBackgroundTest.java

java.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at 
ScaledFrameBackgroundTest.main(ScaledFrameBackgroundTest.java:46)
                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)

javax/swing/JFrame/AlwaysOnTop/AlwaysOnTopImeTest.java

java.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at AlwaysOnTopImeTest.main(AlwaysOnTopImeTest.java:52)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)

javax/swing/JLightweightFrame/JLightweightFrameRoundTest.java

java.lang.reflect.InvocationTargetException
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1328)
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1303)
                at 
java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1475)
                at 
JLightweightFrameRoundTest.main(JLightweightFrameRoundTest.java:39)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/java.awt.Frame.<init>(Frame.java:388)
                at 
java.desktop/sun.awt.LightweightFrame.<init>(LightweightFrame.java:62)
                at 
java.desktop/sun.swing.JLightweightFrame.<init>(JLightweightFrame.java:117)
                at 
JLightweightFrameRoundTest.lambda$main$0(JLightweightFrameRoundTest.java:40)
                at 
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
                at 
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
                at 
java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
                at java.base/java.security.AccessController.doPrivileged(Native 
Method)
                at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
                at 
java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
                at 
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
                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)

javax/swing/JRadioButton/ButtonGroupFocus/ButtonGroupFocusTest.java

java.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at ButtonGroupFocusTest.main(ButtonGroupFocusTest.java:45)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)

javax/swing/JTree/4633594/JTreeFocusTest.java

java.lang.reflect.InvocationTargetException
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1328)
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1303)
                at 
java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1475)
                at JTreeFocusTest.<init>(JTreeFocusTest.java:85)
                at JTreeFocusTest.main(JTreeFocusTest.java:66)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/javax.swing.JFrame.<init>(JFrame.java:224)
                at JTreeFocusTest.lambda$new$1(JTreeFocusTest.java:86)
                at 
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
                at 
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
                at 
java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
                at java.base/java.security.AccessController.doPrivileged(Native 
Method)
                at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
                at 
java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
                at 
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
                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)


javax/swing/plaf/basic/BasicComboPopup/JComboBoxPopupLocation/JComboBoxPopupLocation.java

java.awt.AWTException: headless environment
                at java.desktop/java.awt.Robot.<init>(Robot.java:94)
                at JComboBoxPopupLocation.main(JComboBoxPopupLocation.java:54)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)


javax/swing/text/html/StyleSheet/bug4936917.java

java.lang.reflect.InvocationTargetException
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1328)
                at 
java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1303)
                at 
java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1475)
                at bug4936917.init(bug4936917.java:58)
                at bug4936917.main(bug4936917.java:119)
                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.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
                at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.awt.HeadlessException
                at 
java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:202)
                at java.desktop/java.awt.Window.<init>(Window.java:534)
                at java.desktop/java.awt.Frame.<init>(Frame.java:423)
                at java.desktop/java.awt.Frame.<init>(Frame.java:388)
                at java.desktop/javax.swing.JFrame.<init>(JFrame.java:180)
                at bug4936917$1.run(bug4936917.java:66)
                at 
java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:303)
                at 
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
                at 
java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
                at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
                at java.base/java.security.AccessController.doPrivileged(Native 
Method)
                at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
                at 
java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
                at bug6432565$EventProcessor.dispatchEvent(bug6432565.java:67)
                at 
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
                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)






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