Javafx não encontra arquivo fxml

Olá a todos. Copiei este código para depois estudá-lo. Mas não consigo fazer com que ele encontre o arquivo fxml. Estou usando Notepad++7.5.6 , JDK 1.8.

classe main

Blockquote
import java.io.FileInputStream;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.stage.Stage;
import javafx.fxml.FXMLLoader;
import javafx.scene.layout.Pane;

public class Principal extends Application {
public static void main(String[] args){
launch(args);
}

@Override
public void start(Stage primaryStage) throws Exception {
	//Label label = new Label("Meu texto legar");
	//Pane root = FXMLLoader.load(getClass().getResource("Layout2.fxml"));
	
	/*FXMLLoader loader = new FXMLLoader();
	loader.setClassLoader(getClass().getClassLoader()); 
	loader.setLocation(getClass().getResource("/fxml/PluginFXML.fxml"));*/
	
	FXMLLoader loader = new FXMLLoader();
	String arquivo = "Layout2.fxml";
	FileInputStream input = new FileInputStream(arquivo);
	Pane root = (Pane) loader.load(input);
	
	
	Scene scene = new Scene(root,850,400);
	
	primaryStage.setScene(scene);
	primaryStage.setTitle("Principal");
	primaryStage.setMinWidth(600);
	primaryStage.setMinHeight(400);
	primaryStage.setMaxWidth(900);
	primaryStage.setMaxHeight(600);
	
	primaryStage.show();
}

}

Blockquote

classe Controller

Blockquote
import javafx.fxml.FXML;

public class Controller implements Initializable {

@FXML // public sem o @FXML
private void initialize(){
	
	System.out.println("controller inicializado");
}

}

Blockquote

arquivo fxml

Blockquote

<?xml version="1.0" encoding="UTF-8"?> <?import javafx.scene.control.Button?> <?import javafx.scene.control.Label?> <?import javafx.scene.control.Menu?> <?import javafx.scene.control.MenuBar?> <?import javafx.scene.control.MenuItem?> <?import javafx.scene.control.TableView?> <?import javafx.scene.control.TableColumn?> <?import javafx.scene.control.TextField?> <?import javafx.scene.control.TextArea?> <?import javafx.scene.layout.BorderPane?> <?import javafx.scene.layout.GridPane?> <?import javafx.scene.layout.HBox?> <?import javafx.geometry.Insets?>
<left>
	<GridPane hgap="5" vgap="5">	
		<padding>
			<Insets top="5" bottom="5" left="5" right="5"/>
		</padding>			
		
		<GridPane hgap="5" vgap="5">
			<GridPane.margin>
				<Insets top="5" bottom="5" left="5"/>
			</GridPane.margin>
			<Label text="Pesquisar:" GridPane.rowIndex="0" GridPane.columnIndex="0"/>
			<TextField GridPane.rowIndex="0" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"/>
			
			<HBox GridPane.rowIndex="1" GridPane.columnIndex="1" alignment="CENTER_RIGHT" spacing="5">
				<Button text="Pesquisar" prefWidth="80"/>
				<Button text="Limpar" prefWidth="80"/>
			</HBox>		
		</GridPane>
		
		<TableView GridPane.rowIndex="1" GridPane.columnIndex="0" GridPane.vgrow="ALWAYS">
			<columns>
				<TableColumn text="Site/Serviço" prefWidth="120"/>
				<TableColumn text="Login" prefWidth="120"/>
			</columns>
		</TableView>
		
		<HBox GridPane.rowIndex="2" GridPane.columnIndex="0" alignment="CENTER_RIGHT" spacing="5">
			<Button text="Novo" prefWidth="80"/>
			<Button text="Editar" prefWidth="80"/>
			<Button text="Excluir" prefWidth="80"/>
		</HBox>
			
	</GridPane>
</left>

<center>
	<GridPane hgap="5" vgap="5">
		<padding>
			<Insets top="5" bottom="5" left="5" right="15"/>
		</padding>
		<Label text="Site/Serviço:" GridPane.rowIndex="0" GridPane.columnIndex="0"/>
		<TextField GridPane.rowIndex="0" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"/>
		<Label text="Login:" GridPane.rowIndex="1" GridPane.columnIndex="0"/>
		<TextField GridPane.rowIndex="1" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"/>
		<Label text="Senha:" GridPane.rowIndex="2" GridPane.columnIndex="0"/>
		<TextField GridPane.rowIndex="2" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"/>
		<Label text="Observações:" GridPane.rowIndex="3" GridPane.columnIndex="0"/>
		<TextArea GridPane.rowIndex="3" GridPane.columnIndex="1" GridPane.hgrow="ALWAYS"/>
		
		<HBox GridPane.rowIndex="4" GridPane.columnIndex="0" GridPane.columnSpan="2" alignment="CENTER_RIGHT" spacing="5">
			<Button text="Confirmar" prefWidth="80"/>
			<Button text="Cancelar" prefWidth="80"/>
		</HBox>
		
	</GridPane>
</center>
> Blockquote

o erro

Blockquote

C:\pastaFx>java FxFXMLExample3
Exception in Application start method
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(Lau
ncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImp
l.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.launcher.LauncherHelper$FXHelper.main(Unknown Source)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherIm
pl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$154(
LauncherImpl.java:182)
at java.lang.Thread.run(Unknown Source)
Caused by: javafx.fxml.LoadException:
unknown path:7

    at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
    at javafx.fxml.FXMLLoader.access$700(FXMLLoader.java:103)
    at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:
  1. at javafx.fxml.FXMLLoader$InstanceDeclarationElement.processAttribute(FX
    MLLoader.java:971)
    at javafx.fxml.FXMLLoader$Element.processStartElement(FXMLLoader.java:22
  2.  at javafx.fxml.FXMLLoader$ValueElement.processStartElement(FXMLLoader.ja
    

va:744)
at javafx.fxml.FXMLLoader.processStartElement(FXMLLoader.java:2707)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2527)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2425)
at FxFXMLExample3.start(FxFXMLExample3.java:27)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161
(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$174(Platfor
mImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.
java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformI
mpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatch
er.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.ja
va:177)
… 1 more
Caused by: java.lang.ClassNotFoundException: FXFXML.FxFXMLController
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at javafx.fxml.FXMLLoader$ValueElement.processAttribute(FXMLLoader.java:
920)
… 16 more
Exception running application FxFXMLExample3

C:\pastaFx>

Blockquote

O arquivo está na pasta citada. Já tentei copiar outros exemplos. Mas dá o mesmo erro. Podem me ajudar?

Observção: arquivo main, layout e controller estão na mesma pasta.

Cara ja tive esse problema, a classe controler esta na mesma pasta do fxml,
se tiver tenta limpar e construir o projeto, as alterações só funcionar se mandar contruir o projeto.

Usa a barra antes do nome do arquivo