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    This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

Solutions on the web

via GitHub by scgm11
, 2 years ago
This exception has no message.
via GitHub by scgm11
, 2 years ago
This exception has no message.
via Coderanch by Migrated From Jforum.net, 1 year ago
This exception has no message.
via Coderanch by Manoj Maniraj, 1 year ago
This exception has no message.
via Eclipse Bugzilla by siddharthgarg1984, 1 year ago
via Eclipse Bugzilla by cap, 1 year ago
This exception has no message.
java.lang.InstantiationException: java.net.URL	at java.lang.Class.newInstance0(Class.java:357)	at java.lang.Class.newInstance(Class.java:325)	at javafx.fxml.FXMLLoader$InstanceDeclarationElement.constructValue(Unknown Source)	at javafx.fxml.FXMLLoader$ValueElement.processStartElement(Unknown Source)	at javafx.fxml.FXMLLoader.processStartElement(Unknown Source)	at javafx.fxml.FXMLLoader.load(Unknown Source)	at javafx.fxml.FXMLLoader.load(Unknown Source)	at javafx.fxml.FXMLLoader.load(Unknown Source)	at javafx.fxml.FXMLLoader.load(Unknown Source)	at commerce.Commerce.start(Commerce.java:25)	at com.sun.javafx.application.LauncherImpl$5.run(Unknown Source)	at com.sun.javafx.application.PlatformImpl$4.run(Unknown Source)	at com.sun.javafx.application.PlatformImpl$3.run(Unknown Source)	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)	at com.sun.glass.ui.win.WinApplication.access$100(Unknown Source)	at com.sun.glass.ui.win.WinApplication$2$1.run(Unknown Source)	at java.lang.Thread.run(Thread.java:722)