The package is of bad quality

The installation of a package which violates the quality standards isn't allowed.
This could cause serious problems on your computer.  Please contact the person or
organisation who provided this package file and include the details beneath.

Details V
The package doesn't provide a valid Installed-Size control field.  See Debian Policy 5.6.20

[OK]  [Ignore and install]

<target name="-post-jfx-deploy">
    <fx:deploy width="${javafx.run.width}" height="${javafx.run.height}"
               nativeBundles="all"
               outdir="${basedir}/${dist.dir}" outfile="${application.title}">
        <fx:application name="${application.title}"
                        mainClass="${javafx.main.class}"/>
        <fx:resources>
            <fx:fileset dir="${basedir}/${dist.dir}" includes="*.jar"/>
        </fx:resources>
        <fx:info title="${application.title}" vendor="${application.vendor}"/>
    </fx:deploy>
</target>