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Created attachment 159120 [details] full stack trace for CCE Using JDK9 build on top of JDK9 EA b111. Closing JFrame document opened from swing app project and following exception is thrown java.lang.reflect.InaccessibleObjectException: Unable to make member of class sun.awt.im.InputContext accessible: module java.desktop does not export sun.awt.im to unnamed module @825c9e2 at sun.reflect.Reflection.throwInaccessibleObjectException(java.base@9-ea/Reflection.java:420) at java.lang.reflect.AccessibleObject.checkCanSetAccessible(java.base@9-ea/AccessibleObject.java:174) at java.lang.reflect.Field.checkCanSetAccessible(java.base@9-ea/Field.java:170) at java.lang.reflect.Field.setAccessible(java.base@9-ea/Field.java:164) at org.openide.text.QuietEditorPane$1.run(QuietEditorPane.java:293) at org.openide.text.QuietEditorPane.removeNotify(QuietEditorPane.java:326) at java.awt.Container.removeNotify(java.desktop@9-ea/Container.java:2827) Full stack trace in attachement.
NB was started on top of JDK9 EE without -addExport(s), thus invalid.