'Why can't i select JFXTextfield in scenebuilder and add it

JFTTextArea and JFXButton works but why not the JFXTextField?

I have added foenix Library so I have got all the JFXTextField But i am not able to place JFXTextField in the SceneBuilder !!

Here I have added the library in the project structure.

If i forcefully add JFXTextField in the sample.xml in the text mode, It doesn't show compiler error But instead shows

Unable to make boolean java.lang.reflect.AccessibleObject.setAccessible0(boolean) accessible: module java.base does not "opens java.lang.reflect" to module com.jfoenix

The complete Error looks like:

java.lang.reflect.InaccessibleObjectException: Unable to make boolean java.lang.reflect.AccessibleObject.setAccessible0(boolean) accessible: module java.base does not "opens java.lang.reflect" to module com.jfoenix
    at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:357)
    at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
    at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199)
    at java.base/java.lang.reflect.Method.setAccessible(Method.java:193)
    at com.jfoenix/com.jfoenix.adapters.ReflectionHelper.<clinit>(ReflectionHelper.java:48)
    at com.jfoenix/com.jfoenix.skins.JFXTextFieldSkin.<init>(JFXTextFieldSkin.java:59)
    at com.jfoenix/com.jfoenix.controls.JFXTextField.createDefaultSkin(JFXTextField.java:69)
    at javafx.controls/javafx.scene.control.Control.doProcessCSS(Control.java:897)
    at javafx.controls/javafx.scene.control.Control$1.doProcessCSS(Control.java:89)
    at javafx.controls/com.sun.javafx.scene.control.ControlHelper.processCSSImpl(ControlHelper.java:67)
    at javafx.graphics/com.sun.javafx.scene.NodeHelper.processCSS(NodeHelper.java:145)
    at javafx.graphics/javafx.scene.Parent.doProcessCSS(Parent.java:1400)
    at javafx.graphics/javafx.scene.Parent$1.doProcessCSS(Parent.java:125)
    at javafx.graphics/com.sun.javafx.scene.ParentHelper.processCSSImpl(ParentHelper.java:98)
    at javafx.graphics/com.sun.javafx.scene.NodeHelper.processCSS(NodeHelper.java:145)
    at javafx.graphics/javafx.scene.Node.processCSS(Node.java:9547)
    at javafx.graphics/javafx.scene.Scene.doCSSPass(Scene.java:569)
    at javafx.graphics/javafx.scene.Scene.preferredSize(Scene.java:1747)
    at javafx.graphics/javafx.scene.Scene$2.preferredSize(Scene.java:393)
    at javafx.graphics/com.sun.javafx.scene.SceneHelper.preferredSize(SceneHelper.java:66)
    at javafx.graphics/javafx.stage.Window$12.invalidated(Window.java:1111)
    at javafx.base/javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
    at javafx.base/javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:145)
    at javafx.graphics/javafx.stage.Window.setShowing(Window.java:1187)
    at javafx.graphics/javafx.stage.Window.show(Window.java:1202)
    at javafx.graphics/javafx.stage.Stage.show(Stage.java:273)
    at Material.Design.Scene.Builder/sample.Main.start(Main.java:16)
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:474)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:447)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:446)
    at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
    at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
    at java.base/java.lang.Thread.run(Thread.java:831)
Exception in Application start method
java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:567)
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:464)
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:363)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:567)
    at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1071)
Caused by: java.lang.RuntimeException: Exception in Application start method
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:900)
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
    at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: java.lang.NullPointerException: Cannot invoke "javafx.scene.Node.getLayoutBounds()" because "this.textNode" is null
    at com.jfoenix/com.jfoenix.skins.JFXTextFieldSkin.updateTextPos(JFXTextFieldSkin.java:109)
    at com.jfoenix/com.jfoenix.skins.JFXTextFieldSkin.layoutChildren(JFXTextFieldSkin.java:93)
    at javafx.controls/javafx.scene.control.Control.layoutChildren(Control.java:601)
    at javafx.graphics/javafx.scene.Parent.layout(Parent.java:1207)
    at javafx.graphics/javafx.scene.Parent.layout(Parent.java:1214)
    at javafx.graphics/javafx.scene.Scene.doLayoutPass(Scene.java:576)
    at javafx.graphics/javafx.scene.Scene.preferredSize(Scene.java:1750)
    at javafx.graphics/javafx.scene.Scene$2.preferredSize(Scene.java:393)
    at javafx.graphics/com.sun.javafx.scene.SceneHelper.preferredSize(SceneHelper.java:66)
    at javafx.graphics/javafx.stage.Window$12.invalidated(Window.java:1111)
    at javafx.base/javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:110)
    at javafx.base/javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:145)
    at javafx.graphics/javafx.stage.Window.setShowing(Window.java:1187)
    at javafx.graphics/javafx.stage.Window.show(Window.java:1202)
    at javafx.graphics/javafx.stage.Stage.show(Stage.java:273)
    at Material.Design.Scene.Builder/sample.Main.start(Main.java:16)
    at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:846)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:474)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:447)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
    at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:446)
    at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
    at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
    ... 1 more
Exception running application sample.Main

Process finished with exit code 1

I even Tried with this link Stack OverFlow: Reflection error But couldn't very well connect :(

My sample.xml goes like so:

<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.2" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sample.Controller">
   <children>
      <Button fx:id="button" layoutX="494.0" layoutY="187.0" mnemonicParsing="false" prefHeight="26.0" prefWidth="74.0" text="Button" />
      <TextField fx:id="textField" layoutX="44.0" layoutY="140.0" />
      <JFXTextField fx:id="textField1" layoutX="433.0" layoutY="140.0" promptText="Type in here">
         <effect>
            <InnerShadow />
         </effect></JFXTextField>
      <JFXTextField />
      <JFXTextArea fx:id="JFXtextArea" layoutX="51.0" prefHeight="116.0" prefWidth="518.0" />
      <TextArea fx:id="textArea" layoutX="51.0" layoutY="245.0" prefHeight="130.0" prefWidth="518.0" />
      <JFXButton fx:id="buutton" layoutX="44.0" layoutY="187.0" prefHeight="26.0" prefWidth="99.0" text="Button">
   </children>
</AnchorPane>

Solution 1:^[1]

Finally i found the answer after many reserach,

The answer is , The JFonenix is not yet compatible with updated jdk As it is compatlible only with Jdk 1.8 i.e JAVA SE 8th edition

Make the project selecting jdk 1.8, then it will work :)

Download Java 8 From this link below

https://www.oracle.com/in/java/technologies/javase/javase8-archive-downloads.html

Solution 2:^[2]

I have the latest version of java and I am using the latest version of JFoenix and I am getting the same InaccessibleObjectException as you. There seems to be a problem on their side, I have just contacted them and we will have to wait until they fix it. Link to the issue: Not able to add JFXTextField in Scene Builder 16.0.0 #1205

Solution 3:^[3]

Please use jfoenix 9.0.1 and not 9.0.10 from marven for any jdk/scenebuilder version. It worked for me

Solution 4:^[4]

I had the same problem while using SceneBuilder 16.0 and JFoenix 9.0.10. The solution I tried is using an earlier version of SceneBuilder, I downloaded SceneBuilder 11.0 and it worked.

This bug has not been corrected by JFoenix yet.

Solution 5:^[5]

downloaded SceneBuilder 15.0.0 and use JFoenix 9.0.10 and use java-sdk-15.0.1 and java jdk 15.0.0 or jdk 15.0.1 and add the following settings in your arguments VM :

--add-exports javafx.graphics/com.sun.javafx.scene=com.jfoenix --add-exports javafx.controls/com.sun.javafx.scene.control.behavior=com.jfoenix --add-exports javafx.controls/com.sun.javafx.scene.control=com.jfoenix --add-exports javafx.base/com.sun.javafx.binding=com.jfoenix --add-exports javafx.base/com.sun.javafx.event=com.jfoenix --add-exports javafx.graphics/com.sun.javafx.stage=com.jfoenix --add-opens=java.base/java.lang.reflect=com.jfoenix

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution	Source
Solution 1	Krishna Acharya
Solution 2	Tomino
Solution 3
Solution 4	Abderaouf Boucenna
Solution 5	Lajos Arpad

'Why can't i select JFXTextfield in scenebuilder and add it

Solution 1:[1]

Solution 2:[2]

Solution 3:[3]

Solution 4:[4]

Solution 5:[5]