This function uses the Java version string and needs to be rewritten.

src/main/java/com/oracle/tools/packager/windows/WindowsBundlerParam.java
178: commandline = "java version \"" + System.getProperty("java.version") + "\"\n”

    public static void extractFlagsFromRuntime(Map<String, ? super Object> params) {
        if (params.containsKey(".runtime.autodetect")) return;
         
        params.put(".runtime.autodetect", "attempted");
        RelativeFileSet runtime = WIN_RUNTIME.fetchFrom(params);
        String commandline;
        if (runtime == null) {
            //its ok, request to use system JRE
            //TODO extract from system properties
            commandline = "java version \"" + System.getProperty("java.version") + "\"\n"
                    + System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.version") + ", " + System.getProperty("java.vm.info") + ")\n";
        }