[problem with phantom js using java netbeans ; No PhantomJS executable configured!]

Hey guys i have a problem

when i try to generate PDF file from JRXML using java netbeans

and the report contains Custom Visualisation i added all the needed and un-needed jars

but i still have a problem with phantom js although i added the enviroment variables

Custom Visualisation works perfectly in jasper studio but it doesn't work when i generate it from java

here's the error

Feb 27, 2019 10:58:42 AM net.sf.jasperreports.customvisualization.export.CVElementImageProvider getImage
SEVERE: Generating image for Custom Visualization element 407747276 failed.
net.sf.jasperreports.engine.JRRuntimeException: No PhantomJS executable configured!
    at net.sf.jasperreports.customvisualization.export.CVElementDefaultImageDataProvider.getImageData(CVElementDefaultImageDataProvider.java:64)
    at net.sf.jasperreports.customvisualization.export.CVElementImageProvider.getImage(CVElementImageProvider.java:115)
    at net.sf.jasperreports.customvisualization.export.CVElementPdfHandler.exportElement(CVElementPdfHandler.java:56)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportGenericElement(JRPdfExporter.java:3215)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportElements(JRPdfExporter.java:1117)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportPage(JRPdfExporter.java:1068)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportReportToStream(JRPdfExporter.java:932)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportReport(JRPdfExporter.java:552)
    at javaapplication1.NewMain.main(NewMain.java:129)

any help would be highly appreciated 

Thanks in advance