java.lang.NullPointerException

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  • NoClassDefError for JavaFX MenuBar
    via Stack Overflow by Frank Harris
    ,
    • java.lang.NullPointerException at com.sun.javafx.css.StyleManager.getURL(StyleManager.java:867) at com.sun.javafx.css.StyleManager.loadStylesheetUnPrivileged(StyleManager.java:1057) at com.sun.javafx.css.StyleManager.loadStylesheet(StyleManager.java:917) at com.sun.javafx.css.StyleManager._setDefaultUserAgentStylesheet(StyleManager.java:1377) at com.sun.javafx.css.StyleManager.setUserAgentStylesheets(StyleManager.java:1209) at com.sun.javafx.application.PlatformImpl.lambda$_setPlatformUserAgentStylesheet$182(PlatformImpl.java:698) at java.security.AccessController.doPrivileged(Native Method) at com.sun.javafx.application.PlatformImpl._setPlatformUserAgentStylesheet(PlatformImpl.java:697) at com.sun.javafx.application.PlatformImpl.setPlatformUserAgentStylesheet(PlatformImpl.java:548) at com.sun.javafx.application.PlatformImpl.setDefaultPlatformUserAgentStylesheet(PlatformImpl.java:512) at javafx.scene.control.Control.<clinit>(Control.java:87)
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