java.lang.RuntimeException

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    • java.lang.RuntimeException: Exception in Application start method at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917) at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$156(LauncherImpl.java:182) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.jfree.chart.fx.ChartViewer.getUserAgentStylesheet(ChartViewer.java:124) at com.sun.javafx.css.StyleManager.findMatchingStyles(StyleManager.java:1665) at javafx.scene.CssStyleHelper.createStyleHelper(CssStyleHelper.java:111) at javafx.scene.Node.reapplyCss(Node.java:8983) at javafx.scene.Node.impl_reapplyCSS(Node.java:8946) at javafx.scene.Node.invalidatedScenes(Node.java:854) at javafx.scene.Node.setScenes(Node.java:919) at javafx.scene.Scene$9.invalidated(Scene.java:1119) at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:111) at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146) at javafx.scene.Scene.setRoot(Scene.java:1072) at javafx.scene.Scene.<init>(Scene.java:347) at javafx.scene.Scene.<init>(Scene.java:194) at org.jfree.chart.fx.demo.TimeSeriesChartFXDemo1.start(TimeSeriesChartFXDemo1.java:433) at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$163(LauncherImpl.java:863) at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$176(PlatformImpl.java:326) at com.sun.javafx.application.PlatformImpl.lambda$null$174(PlatformImpl.java:295) at java.security.AccessController.doPrivileged(Native Method) at com.sun.javafx.application.PlatformImpl.lambda$runLater$175(PlatformImpl.java:294) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95) at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at com.sun.glass.ui.win.WinApplication.lambda$null$149(WinApplication.java:191) ... 1 more
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