final CrawlerWebServer server1 = new CrawlerWebServer(7070);
        server1.start();
        final CrawlerWebServer server2 = new CrawlerWebServer(7071);
        server2.start();

        final String url1 = "http://localhost:7070/";
        final String url2 = "http://localhost:7071/";
        try {
            final int maxCount = 10;
            final int numOfThread = 10;

        } else {
            executable = "${workingDir}/${executable}"
        }
        builder.environment("JAVA_HOME", System.getProperty("java.home"))
        // // https://github.com/gradle/dotcom/issues/6071
        builder.environment("JAVA_OPTS", "")
        return builder.build()
    }

    ExecResult run() {
        return build().start().waitForFinish()
    }