java.lang.RuntimeException

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    • java.lang.RuntimeException: Exception in Application start method at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:403) at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:47) at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:115) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException: Input stream must not be null at javafx.scene.image.Image.validateInputStream(Image.java:1001) at javafx.scene.image.Image.<init>(Image.java:624) at javafxapplication1.guest.addHBox(guest.java:55) at javafxapplication1.guest.start(guest.java:32) at com.sun.javafx.application.LauncherImpl$5.run(LauncherImpl.java:319) at com.sun.javafx.application.PlatformImpl$5.run(PlatformImpl.java:219) at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:182) at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:179) at java.security.AccessController.doPrivileged(Native Method) at com.sun.javafx.application.PlatformImpl$4.run(PlatformImpl.java:179) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:76) at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at com.sun.glass.ui.win.WinApplication.access$100(WinApplication.java:17) at com.sun.glass.ui.win.WinApplication$3$1.run(WinApplication.java:67) ... 1 more

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