java.lang.IllegalStateException: Not on FX application thread; currentThread = Thread-9

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • Java FXML Updating UI with new Thread throws error
    via Stack Overflow by Evo
    ,
    • java.lang.IllegalStateException: Not on FX application thread; currentThread = Thread-9 at com.sun.javafx.tk.Toolkit.checkFxUserThread(Toolkit.java:236) at com.sun.javafx.tk.quantum.QuantumToolkit.checkFxUserThread(QuantumToolkit.java:423) at javafx.stage.Window.setShowing(Window.java:921) at javafx.stage.Window.show(Window.java:937) at javafx.stage.Stage.show(Stage.java:259) at de.qabel.desktop.DesktopClientGui.showMainStage(DesktopClientGui.java:118) at de.qabel.desktop.DesktopClientGui.lambda$start$0(DesktopClientGui.java:60) at de.qabel.desktop.config.RepositoryBasedClientConfig.lambda$setAccount$0(RepositoryBasedClientConfig.java:71) at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:890) at de.qabel.desktop.config.RepositoryBasedClientConfig.setAccount(RepositoryBasedClientConfig.java:71) at de.qabel.desktop.ui.accounting.login.LoginController.lambda$createBoxAccount$5(LoginController.java:189) at java.lang.Thread.run(Thread.java:745)

    Users with the same issue

    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor3 times, last one,
    Unknown visitor2 times, last one,
    Unknown visitor1 times, last one,
    11 more bugmates