Broken links to libraries ant-javafx.jar and jfxrt.jar
Open SwingInterop in NetBeans, open it's properties and select libraries. You will see that references to libraries are broken. See properties file.reference.ant-javafx.jar, file.reference.jfxrt.jar in file nbproject\project.properties.
Open SwingInterop in NetBeans, open it's properties and select libraries. You will see that references to libraries are broken. See properties file.reference.ant-javafx.jar, file.reference.jfxrt.jar in file nbproject\project.properties.