java version "10-ea"
Java(TM) SE Runtime Environment (build 10-ea+25)
Java HotSpot(TM) 64-Bit Server VM (build 10-ea+25, mixed mode)

Linux 3.8.13-35.3.1.el7uek.x86_64 (amd64)

java.lang.NullPointerException
at java.desktop/java.awt.EventQueue.getCurrentEventImpl(EventQueue.java:872)
at java.desktop/java.awt.EventQueue.getCurrentEvent(EventQueue.java:861)
at java.desktop/java.awt.Component.requestFocusHelper(Component.java:7883)
at java.desktop/java.awt.Component.requestFocusInWindow(Component.java:7805)
at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:461)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4842)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2317)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2758)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:777)
at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:726)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:750)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:748)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:747)
at java.desktop/java.awt.SequencedEvent.dispatch(SequencedEvent.java:132)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775)
at java.desktop/java.awt.EventQueue.access$600(EventQueue.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:726)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:750)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:748)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:747)
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)
STATUS:Failed.`main' threw exception: java.lang.NullPointerException