javafx.fxml.LoadException: URL is not a valid type.

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You have to import [java.lang.*] in your fxml file.

copy <?import java.lang.*?> in your fxml file.

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javafx.fxml.LoadException: URL is not a valid type.
at javafx.fxml.FXMLLoader.createElement(
at javafx.fxml.FXMLLoader.processStartElement(
at javafx.fxml.FXMLLoader.load(
at at.bestsolution.efxclipse.runtime.osgi.util.OSGiFXMLLoader.load(
at at.bestsolution.efxclipse.runtime.osgi.util.OSGiFXMLLoader.load(
at at.bestsolution.efxclipse.runtime.di.InjectingFXMLLoader$1.load(

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