fxml LoadException 仅在使用 MouseEvent 时出现！ （Java + 场景生成器）
fxml LoadException only when using MouseEvent ! (Java + Scene Builder)
我有一个问题，我有一个事件处理程序应该执行一些代码，除了代码之外，事件处理程序接受 MouseEvent 并且将调用它的事件是 onMouseClicked 事件，每次我尝试 运行 程序我得到一个异常，如果我删除 MouseEvent 并将其留空或放置任何其他类型的事件，例如 Event 或 ActionEvent 它可以工作，但这不合逻辑，而且我需要鼠标事件，因为我将检查哪个在我的代码中单击了鼠标按钮。我查看了其他有相同问题的人，我做了他们答案中的所有内容，但没有用。
异常 + 堆栈跟踪：
javafx.fxml.LoadException: Error resolving onMouseClicked='#maginfyRecord', either the event handler is not in the Namespace or there is an error in the script.
file:/D:/Personal/Projects/Tools/Java/Organizer/dist/run1842687407/Organizer.jar!/organizer/View/DatabaseTables.fxml:195
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2597)
at javafx.fxml.FXMLLoader.access0(FXMLLoader.java:103)
at javafx.fxml.FXMLLoader$Element.processEventHandlerAttributes(FXMLLoader.java:610)
at javafx.fxml.FXMLLoader$ValueElement.processEndElement(FXMLLoader.java:770)
at javafx.fxml.FXMLLoader.processEndElement(FXMLLoader.java:2823)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2532)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at organizer.Controller.Main.switchWindow(Main.java:32)
at organizer.Controller.SecurityController.openOrSave(SecurityController.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1771)
at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Node.fireEvent(Node.java:8411)
at javafx.scene.control.Button.fire(Button.java:185)
at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:182)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase.handle(BehaviorSkinBase.java:96)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase.handle(BehaviorSkinBase.java:89)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
at javafx.scene.Scene$MouseHandler.access00(Scene.java:3485)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent3(GlassViewEventHandler.java:432)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
at com.sun.glass.ui.View.notifyMouse(View.java:937)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null7(WinApplication.java:177)
at java.lang.Thread.run(Thread.java:748)
事件处理程序如下：
@FXML
public void magnifyRecord(MouseEvent event) {
if ((event.getButton()== event.BUTTON2)) {
TextArea area = new TextArea();
area.setText(selectedTable.getSelectionModel().getSelectedItem().toString());
JFXPopup popup = new JFXPopup();
popup.setPopupContent(area);
popup.show(selectedTable);
popup.show(selectedTable, event.getX(), event.getY());
}
}
这是这部分的 fxml：
<Tab fx:id="toDoListTab" onSelectionChanged="#switchTab" text="To Do List">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="toDoListTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="notesTab" onSelectionChanged="#switchTab" text="Notes">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="notesTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="contactsTab" onSelectionChanged="#switchTab" text="Contacts">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="contactsTable" onMouseClicked="#magnifyRecord" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="locationsTab" onSelectionChanged="#switchTab" text="Locations">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="locationsTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="productsTab" onSelectionChanged="#switchTab" text="Products">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="productsTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
我尝试完全注释掉代码，没有任何变化，只有当我删除 MouseEvent 或用任何其他事件替换它时它才有效
我正在使用 Netbeans + JDK 8 + Scene Builder + jfoenix 库
尝试检查您的导入，您一定是导入了错误的 MouseEvent。你应该导入
javafx.scene.input.MouseEvent
用于事件处理程序而不是任何其他 MouseEvents。
我有一个问题，我有一个事件处理程序应该执行一些代码，除了代码之外，事件处理程序接受 MouseEvent 并且将调用它的事件是 onMouseClicked 事件，每次我尝试 运行 程序我得到一个异常，如果我删除 MouseEvent 并将其留空或放置任何其他类型的事件，例如 Event 或 ActionEvent 它可以工作，但这不合逻辑，而且我需要鼠标事件，因为我将检查哪个在我的代码中单击了鼠标按钮。我查看了其他有相同问题的人，我做了他们答案中的所有内容，但没有用。
异常 + 堆栈跟踪：
javafx.fxml.LoadException: Error resolving onMouseClicked='#maginfyRecord', either the event handler is not in the Namespace or there is an error in the script.
file:/D:/Personal/Projects/Tools/Java/Organizer/dist/run1842687407/Organizer.jar!/organizer/View/DatabaseTables.fxml:195
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2597)
at javafx.fxml.FXMLLoader.access0(FXMLLoader.java:103)
at javafx.fxml.FXMLLoader$Element.processEventHandlerAttributes(FXMLLoader.java:610)
at javafx.fxml.FXMLLoader$ValueElement.processEndElement(FXMLLoader.java:770)
at javafx.fxml.FXMLLoader.processEndElement(FXMLLoader.java:2823)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2532)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at organizer.Controller.Main.switchWindow(Main.java:32)
at organizer.Controller.SecurityController.openOrSave(SecurityController.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1771)
at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Node.fireEvent(Node.java:8411)
at javafx.scene.control.Button.fire(Button.java:185)
at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:182)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase.handle(BehaviorSkinBase.java:96)
at com.sun.javafx.scene.control.skin.BehaviorSkinBase.handle(BehaviorSkinBase.java:89)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
at javafx.scene.Scene$MouseHandler.access00(Scene.java:3485)
at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent3(GlassViewEventHandler.java:432)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
at com.sun.glass.ui.View.notifyMouse(View.java:937)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null7(WinApplication.java:177)
at java.lang.Thread.run(Thread.java:748)
事件处理程序如下：
@FXML
public void magnifyRecord(MouseEvent event) {
if ((event.getButton()== event.BUTTON2)) {
TextArea area = new TextArea();
area.setText(selectedTable.getSelectionModel().getSelectedItem().toString());
JFXPopup popup = new JFXPopup();
popup.setPopupContent(area);
popup.show(selectedTable);
popup.show(selectedTable, event.getX(), event.getY());
}
}
这是这部分的 fxml：
<Tab fx:id="toDoListTab" onSelectionChanged="#switchTab" text="To Do List">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="toDoListTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="notesTab" onSelectionChanged="#switchTab" text="Notes">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="notesTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="contactsTab" onSelectionChanged="#switchTab" text="Contacts">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="contactsTable" onMouseClicked="#magnifyRecord" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="locationsTab" onSelectionChanged="#switchTab" text="Locations">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="locationsTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
<Tab fx:id="productsTab" onSelectionChanged="#switchTab" text="Products">
<content>
<StackPane prefHeight="150.0" prefWidth="200.0">
<children>
<TableView fx:id="productsTable" prefHeight="200.0" prefWidth="200.0" />
</children>
</StackPane>
</content>
</Tab>
我尝试完全注释掉代码，没有任何变化，只有当我删除 MouseEvent 或用任何其他事件替换它时它才有效
我正在使用 Netbeans + JDK 8 + Scene Builder + jfoenix 库
尝试检查您的导入，您一定是导入了错误的 MouseEvent。你应该导入
javafx.scene.input.MouseEvent
用于事件处理程序而不是任何其他 MouseEvents。