}
            def byteCode = url.bytes
            CodeSource codeSource = new CodeSource(getCodeBaseUrl(url, resource), null as Certificate[])
            return defineClass(name, byteCode, 0, byteCode.length, new ProtectionDomain(codeSource, new Permissions(), this, null))
        }

        URL getCodeBaseUrl(URL url, String resource) {
            def uri = url.toURI().toString()
            if (uri.startsWith("jar:")) {